Remove redundant webrtc:: prefixes in ['modules/utility', 'p2p']

Created by
tools_webrtc/remove_extra_namespace.py --namespace webrtc

and manual adjustments.

This CL was uploaded by git cl split.

R=eshr@webrtc.org

No-IWYU: Refactoring
Bug: webrtc:42232595
Change-Id: Ib7ac05d58ad1a01008eae8706abaad55489da573
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/396200
Commit-Queue: Evan Shrubsole <eshr@webrtc.org>
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Auto-Submit: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Evan Shrubsole <eshr@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#44890}
diff --git a/modules/utility/include/jvm_android.h b/modules/utility/include/jvm_android.h
index bafb8f2..5838aa2 100644
--- a/modules/utility/include/jvm_android.h
+++ b/modules/utility/include/jvm_android.h
@@ -123,7 +123,7 @@
 //   JNIEnv* jni = ::base::android::AttachCurrentThread();
 //   JavaVM* jvm = NULL;
 //   jni->GetJavaVM(&jvm);
-//   webrtc::JVM::Initialize(jvm);
+//   JVM::Initialize(jvm);
 //
 //   // Header (.h) file of example class called User.
 //   std::unique_ptr<JNIEnvironment> env;
diff --git a/p2p/base/basic_async_resolver_factory.h b/p2p/base/basic_async_resolver_factory.h
index a553f90..9a0a4c8 100644
--- a/p2p/base/basic_async_resolver_factory.h
+++ b/p2p/base/basic_async_resolver_factory.h
@@ -25,16 +25,16 @@
  public:
   BasicAsyncDnsResolverFactory() = default;
 
-  std::unique_ptr<webrtc::AsyncDnsResolverInterface> CreateAndResolve(
+  std::unique_ptr<AsyncDnsResolverInterface> CreateAndResolve(
       const SocketAddress& addr,
       absl::AnyInvocable<void()> callback) override;
 
-  std::unique_ptr<webrtc::AsyncDnsResolverInterface> CreateAndResolve(
+  std::unique_ptr<AsyncDnsResolverInterface> CreateAndResolve(
       const SocketAddress& addr,
       int family,
       absl::AnyInvocable<void()> callback) override;
 
-  std::unique_ptr<webrtc::AsyncDnsResolverInterface> Create() override;
+  std::unique_ptr<AsyncDnsResolverInterface> Create() override;
 };
 
 }  // namespace webrtc
diff --git a/p2p/base/basic_ice_controller.cc b/p2p/base/basic_ice_controller.cc
index cea38d9..19360e8 100644
--- a/p2p/base/basic_ice_controller.cc
+++ b/p2p/base/basic_ice_controller.cc
@@ -128,7 +128,7 @@
   // active connection has not been pinged enough times, use the weak ping
   // interval.
   bool need_more_pings_at_weak_interval =
-      absl::c_any_of(connections_, [](const webrtc::Connection* conn) {
+      absl::c_any_of(connections_, [](const Connection* conn) {
         return conn->active() &&
                conn->num_pings_sent() < MIN_PINGS_AT_WEAK_PING_INTERVAL;
       });
@@ -180,7 +180,7 @@
                     });
     auto iter = absl::c_min_element(
         pingable_selectable_connections,
-        [](const webrtc::Connection* conn1, const webrtc::Connection* conn2) {
+        [](const Connection* conn1, const Connection* conn2) {
           return conn1->last_ping_sent() < conn2->last_ping_sent();
         });
     if (iter != pingable_selectable_connections.end()) {
diff --git a/p2p/base/basic_ice_controller.h b/p2p/base/basic_ice_controller.h
index 70ebafc..e8593db 100644
--- a/p2p/base/basic_ice_controller.h
+++ b/p2p/base/basic_ice_controller.h
@@ -86,7 +86,7 @@
   }
 
   int check_receiving_interval() const {
-    return std::max(webrtc::MIN_CHECK_RECEIVING_INTERVAL,
+    return std::max(MIN_CHECK_RECEIVING_INTERVAL,
                     config_.receiving_timeout_or_default() / 10);
   }
 
diff --git a/p2p/base/connection.h b/p2p/base/connection.h
index e1b0bb8..79cb94a 100644
--- a/p2p/base/connection.h
+++ b/p2p/base/connection.h
@@ -151,8 +151,7 @@
 
   // Register as a recipient of received packets. There can only be one.
   void RegisterReceivedPacketCallback(
-      absl::AnyInvocable<void(webrtc::Connection*,
-                              const webrtc::ReceivedIpPacket&)>
+      absl::AnyInvocable<void(Connection*, const ReceivedIpPacket&)>
           received_packet_callback);
   void DeregisterReceivedPacketCallback();
 
@@ -160,7 +159,7 @@
 
   // Called when a packet is received on this connection.
   void OnReadPacket(const ReceivedIpPacket& packet);
-  [[deprecated("Pass a webrtc::ReceivedIpPacket")]] void
+  [[deprecated("Pass a ReceivedIpPacket")]] void
   OnReadPacket(const char* data, size_t size, int64_t packet_time_us);
 
   // Called when the socket is currently able to send.
@@ -350,8 +349,8 @@
 
   void SetStunDictConsumer(
       std::function<std::unique_ptr<StunAttribute>(
-          const webrtc::StunByteStringAttribute*)> goog_delta_consumer,
-      std::function<void(RTCErrorOr<const webrtc::StunUInt64Attribute*>)>
+          const StunByteStringAttribute*)> goog_delta_consumer,
+      std::function<void(RTCErrorOr<const StunUInt64Attribute*>)>
           goog_delta_ack_consumer) {
     goog_delta_consumer_ = std::move(goog_delta_consumer);
     goog_delta_ack_consumer_ = std::move(goog_delta_ack_consumer);
@@ -513,12 +512,11 @@
       RTC_GUARDED_BY(network_thread_);
 
   std::optional<std::function<std::unique_ptr<StunAttribute>(
-      const webrtc::StunByteStringAttribute*)>>
+      const StunByteStringAttribute*)>>
       goog_delta_consumer_;
-  std::optional<
-      std::function<void(RTCErrorOr<const webrtc::StunUInt64Attribute*>)>>
+  std::optional<std::function<void(RTCErrorOr<const StunUInt64Attribute*>)>>
       goog_delta_ack_consumer_;
-  absl::AnyInvocable<void(webrtc::Connection*, const webrtc::ReceivedIpPacket&)>
+  absl::AnyInvocable<void(Connection*, const ReceivedIpPacket&)>
       received_packet_callback_;
 
   void MaybeAddDtlsPiggybackingAttributes(StunMessage* msg);
diff --git a/p2p/base/ice_controller_factory_interface.h b/p2p/base/ice_controller_factory_interface.h
index 958d322..bcf493d 100644
--- a/p2p/base/ice_controller_factory_interface.h
+++ b/p2p/base/ice_controller_factory_interface.h
@@ -26,7 +26,7 @@
 struct IceControllerFactoryArgs {
   std::function<IceTransportStateInternal()> ice_transport_state_func;
   std::function<IceRole()> ice_role_func;
-  std::function<bool(const webrtc::Connection*)> is_connection_pruned_func;
+  std::function<bool(const Connection*)> is_connection_pruned_func;
   const IceFieldTrials* ice_field_trials;
   std::string ice_controller_field_trials;
 };
diff --git a/p2p/base/ice_transport_internal.h b/p2p/base/ice_transport_internal.h
index 5076605..ac63624 100644
--- a/p2p/base/ice_transport_internal.h
+++ b/p2p/base/ice_transport_internal.h
@@ -115,7 +115,7 @@
 // is valid RTCError::OK() is returned.
 RTCError VerifyCandidate(const Candidate& cand);
 
-// Runs through a list of webrtc::Candidate instances and calls VerifyCandidate
+// Runs through a list of Candidate instances and calls VerifyCandidate
 // for each one, stopping on the first error encounted and returning that error
 // value if so. On success returns RTCError::OK().
 RTCError VerifyCandidates(const Candidates& candidates);
@@ -343,7 +343,7 @@
 
   void AddGatheringStateCallback(
       const void* removal_tag,
-      absl::AnyInvocable<void(webrtc::IceTransportInternal*)> callback);
+      absl::AnyInvocable<void(IceTransportInternal*)> callback);
   void RemoveGatheringStateCallback(const void* removal_tag);
 
   // Handles sending and receiving of candidates.
@@ -351,15 +351,14 @@
       SignalCandidateGathered;
 
   void SetCandidateErrorCallback(
-      absl::AnyInvocable<void(webrtc::IceTransportInternal*,
-                              const webrtc::IceCandidateErrorEvent&)>
-          callback) {
+      absl::AnyInvocable<void(IceTransportInternal*,
+                              const IceCandidateErrorEvent&)> callback) {
     RTC_DCHECK(!candidate_error_callback_);
     candidate_error_callback_ = std::move(callback);
   }
 
   void SetCandidatesRemovedCallback(
-      absl::AnyInvocable<void(webrtc::IceTransportInternal*, const Candidates&)>
+      absl::AnyInvocable<void(IceTransportInternal*, const Candidates&)>
           callback) {
     RTC_DCHECK(!candidates_removed_callback_);
     candidates_removed_callback_ = std::move(callback);
@@ -374,8 +373,7 @@
   sigslot::signal2<IceTransportInternal*, const Candidate&> SignalRouteChange;
 
   void SetCandidatePairChangeCallback(
-      absl::AnyInvocable<void(const webrtc::CandidatePairChangeEvent&)>
-          callback) {
+      absl::AnyInvocable<void(const CandidatePairChangeEvent&)> callback) {
     RTC_DCHECK(!candidate_pair_change_callback_);
     candidate_pair_change_callback_ = std::move(callback);
   }
@@ -436,14 +434,13 @@
 
   CallbackList<IceTransportInternal*> gathering_state_callback_list_;
 
-  absl::AnyInvocable<void(webrtc::IceTransportInternal*,
-                          const webrtc::IceCandidateErrorEvent&)>
+  absl::AnyInvocable<void(IceTransportInternal*, const IceCandidateErrorEvent&)>
       candidate_error_callback_;
 
-  absl::AnyInvocable<void(webrtc::IceTransportInternal*, const Candidates&)>
+  absl::AnyInvocable<void(IceTransportInternal*, const Candidates&)>
       candidates_removed_callback_;
 
-  absl::AnyInvocable<void(const webrtc::CandidatePairChangeEvent&)>
+  absl::AnyInvocable<void(const CandidatePairChangeEvent&)>
       candidate_pair_change_callback_;
 };
 
diff --git a/p2p/base/p2p_transport_channel.h b/p2p/base/p2p_transport_channel.h
index d3c090d..960d0ff 100644
--- a/p2p/base/p2p_transport_channel.h
+++ b/p2p/base/p2p_transport_channel.h
@@ -504,7 +504,7 @@
   uint32_t selected_candidate_pair_changes_ = 0;
 
   // When was last data received on a existing connection,
-  // from connection->last_data_received() that uses webrtc::TimeMillis().
+  // from connection->last_data_received() that uses TimeMillis().
   int64_t last_data_received_ms_ = 0;
 
   // Parsed field trials.
diff --git a/p2p/base/p2p_transport_channel_unittest.cc b/p2p/base/p2p_transport_channel_unittest.cc
index cceb4cc..6e9f8fc 100644
--- a/p2p/base/p2p_transport_channel_unittest.cc
+++ b/p2p/base/p2p_transport_channel_unittest.cc
@@ -324,10 +324,10 @@
         stun_server_(TestStunServer::Create(ss_.get(), kStunAddr, main_)),
         turn_server_(&main_, ss_.get(), kTurnUdpIntAddr, kTurnUdpExtAddr),
         force_relay_(false) {
-    ep1_.role_ = webrtc::ICEROLE_CONTROLLING;
-    ep2_.role_ = webrtc::ICEROLE_CONTROLLED;
+    ep1_.role_ = ICEROLE_CONTROLLING;
+    ep2_.role_ = ICEROLE_CONTROLLED;
 
-    webrtc::metrics::Reset();
+    metrics::Reset();
   }
 
   void CreatePortAllocators(const Environment& env) {
@@ -400,7 +400,7 @@
 
   struct Endpoint : public sigslot::has_slots<> {
     Endpoint()
-        : role_(webrtc::ICEROLE_UNKNOWN),
+        : role_(ICEROLE_UNKNOWN),
           tiebreaker_(0),
           role_conflict_(false),
           save_candidates_(false) {}
@@ -593,7 +593,7 @@
   }
   void RemoveAddress(int endpoint, const SocketAddress& addr) {
     GetEndpoint(endpoint)->network_manager_.RemoveInterface(addr);
-    fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, addr);
+    fw()->AddRule(false, FP_ANY, FD_ANY, addr);
   }
   void SetAllocatorFlags(int endpoint, int flags) {
     GetAllocator(endpoint)->set_flags(flags);
@@ -710,19 +710,18 @@
 
   void Test(const Environment& env, const Result& expected) {
     ScopedFakeClock clock;
-    int64_t connect_start = webrtc::TimeMillis();
+    int64_t connect_start = TimeMillis();
     int64_t connect_time;
 
     // Create the channels and wait for them to connect.
     CreateChannels(env);
-    EXPECT_THAT(
-        webrtc::WaitUntil(
-            [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
-            {.timeout =
-                 TimeDelta::Millis(expected.connect_wait + kShortTimeout),
-             .clock = &clock}),
-        webrtc::IsRtcOk());
-    connect_time = webrtc::TimeMillis() - connect_start;
+    EXPECT_THAT(WaitUntil([&] { return CheckConnected(ep1_ch1(), ep2_ch1()); },
+                          IsTrue(),
+                          {.timeout = TimeDelta::Millis(expected.connect_wait +
+                                                        kShortTimeout),
+                           .clock = &clock}),
+                IsRtcOk());
+    connect_time = TimeMillis() - connect_start;
     if (connect_time < expected.connect_wait) {
       RTC_LOG(LS_INFO) << "Connect time: " << connect_time << " ms";
     } else {
@@ -733,25 +732,25 @@
     // Allow a few turns of the crank for the selected connections to emerge.
     // This may take up to 2 seconds.
     if (ep1_ch1()->selected_connection() && ep2_ch1()->selected_connection()) {
-      int64_t converge_start = webrtc::TimeMillis();
+      int64_t converge_start = TimeMillis();
       int64_t converge_time;
       // Verifying local and remote channel selected connection information.
       // This is done only for the RFC 5245 as controlled agent will use
       // USE-CANDIDATE from controlling (ep1) agent. We can easily predict from
       // EP1 result matrix.
       EXPECT_THAT(
-          webrtc::WaitUntil(
+          WaitUntil(
               [&] {
                 return CheckCandidate1(expected) && CheckCandidate2(expected);
               },
               IsTrue(),
               {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-          webrtc::IsRtcOk());
+          IsRtcOk());
       // Also do EXPECT_EQ on each part so that failures are more verbose.
       ExpectCandidate1(expected);
       ExpectCandidate2(expected);
 
-      converge_time = webrtc::TimeMillis() - converge_start;
+      converge_time = TimeMillis() - converge_start;
       int64_t converge_wait = 2000;
       if (converge_time < converge_wait) {
         RTC_LOG(LS_INFO) << "Converge time: " << converge_time << " ms";
@@ -773,27 +772,27 @@
       int len = static_cast<int>(strlen(data));
       // local_channel1 <==> remote_channel1
       EXPECT_THAT(
-          webrtc::WaitUntil(
+          WaitUntil(
               [&] { return SendData(ep1_ch1(), data, len); }, Eq(len),
               {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &*clock}),
-          webrtc::IsRtcOk());
+          IsRtcOk());
       EXPECT_THAT(
-          webrtc::WaitUntil(
+          WaitUntil(
               [&] { return CheckDataOnChannel(ep2_ch1(), data, len); },
               IsTrue(),
               {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &*clock}),
-          webrtc::IsRtcOk());
+          IsRtcOk());
       EXPECT_THAT(
-          webrtc::WaitUntil(
+          WaitUntil(
               [&] { return SendData(ep2_ch1(), data, len); }, Eq(len),
               {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &*clock}),
-          webrtc::IsRtcOk());
+          IsRtcOk());
       EXPECT_THAT(
-          webrtc::WaitUntil(
+          WaitUntil(
               [&] { return CheckDataOnChannel(ep1_ch1(), data, len); },
               IsTrue(),
               {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &*clock}),
-          webrtc::IsRtcOk());
+          IsRtcOk());
     }
   }
 
@@ -807,10 +806,10 @@
     ep1_ch1()->SetRemoteIceParameters(kIceParams[1]);
     ep2_ch1()->SetRemoteIceParameters(kIceParams[0]);
     EXPECT_THAT(
-        webrtc::WaitUntil(
+        WaitUntil(
             [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
             {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-        webrtc::IsRtcOk());
+        IsRtcOk());
 
     const Candidate* old_local_candidate1 = LocalCandidate(ep1_ch1());
     const Candidate* old_local_candidate2 = LocalCandidate(ep2_ch1());
@@ -826,29 +825,29 @@
     ep2_ch1()->MaybeStartGathering();
 
     EXPECT_THAT(
-        webrtc::WaitUntil(
+        WaitUntil(
             [&] { return LocalCandidate(ep1_ch1())->generation(); },
             Ne(old_local_candidate1->generation()),
             {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-        webrtc::IsRtcOk());
+        IsRtcOk());
     EXPECT_THAT(
-        webrtc::WaitUntil(
+        WaitUntil(
             [&] { return LocalCandidate(ep2_ch1())->generation(); },
             Ne(old_local_candidate2->generation()),
             {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-        webrtc::IsRtcOk());
+        IsRtcOk());
     EXPECT_THAT(
-        webrtc::WaitUntil(
+        WaitUntil(
             [&] { return RemoteCandidate(ep1_ch1())->generation(); },
             Ne(old_remote_candidate1->generation()),
             {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-        webrtc::IsRtcOk());
+        IsRtcOk());
     EXPECT_THAT(
-        webrtc::WaitUntil(
+        WaitUntil(
             [&] { return RemoteCandidate(ep2_ch1())->generation(); },
             Ne(old_remote_candidate2->generation()),
             {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-        webrtc::IsRtcOk());
+        IsRtcOk());
     EXPECT_EQ(1u, RemoteCandidate(ep2_ch1())->generation());
     EXPECT_EQ(1u, RemoteCandidate(ep1_ch1())->generation());
   }
@@ -914,12 +913,12 @@
   // Tcp candidate verification has to be done when they are generated.
   void VerifySavedTcpCandidates(int endpoint, absl::string_view tcptype) {
     for (auto& data : GetEndpoint(endpoint)->saved_candidates_) {
-      EXPECT_EQ(data.candidate.protocol(), webrtc::TCP_PROTOCOL_NAME);
+      EXPECT_EQ(data.candidate.protocol(), TCP_PROTOCOL_NAME);
       EXPECT_EQ(data.candidate.tcptype(), tcptype);
-      if (data.candidate.tcptype() == webrtc::TCPTYPE_ACTIVE_STR) {
-        EXPECT_EQ(data.candidate.address().port(), webrtc::DISCARD_PORT);
-      } else if (data.candidate.tcptype() == webrtc::TCPTYPE_PASSIVE_STR) {
-        EXPECT_NE(data.candidate.address().port(), webrtc::DISCARD_PORT);
+      if (data.candidate.tcptype() == TCPTYPE_ACTIVE_STR) {
+        EXPECT_EQ(data.candidate.address().port(), DISCARD_PORT);
+      } else if (data.candidate.tcptype() == TCPTYPE_PASSIVE_STR) {
+        EXPECT_NE(data.candidate.address().port(), DISCARD_PORT);
       } else {
         FAIL() << "Unknown tcptype: " << data.candidate.tcptype();
       }
@@ -965,10 +964,9 @@
 
   void OnRoleConflict(IceTransportInternal* channel) {
     GetEndpoint(channel)->OnRoleConflict(true);
-    IceRole new_role =
-        GetEndpoint(channel)->ice_role() == webrtc::ICEROLE_CONTROLLING
-            ? webrtc::ICEROLE_CONTROLLED
-            : webrtc::ICEROLE_CONTROLLING;
+    IceRole new_role = GetEndpoint(channel)->ice_role() == ICEROLE_CONTROLLING
+                           ? ICEROLE_CONTROLLED
+                           : ICEROLE_CONTROLLING;
     channel->SetIceRole(new_role);
   }
 
@@ -1158,10 +1156,10 @@
     CreatePortAllocators(env);
     ConfigureEndpoint(0, config1);
     SetAllocatorFlags(0, allocator_flags1);
-    SetAllocationStepDelay(0, webrtc::kMinimumStepDelay);
+    SetAllocationStepDelay(0, kMinimumStepDelay);
     ConfigureEndpoint(1, config2);
     SetAllocatorFlags(1, allocator_flags2);
-    SetAllocationStepDelay(1, webrtc::kMinimumStepDelay);
+    SetAllocationStepDelay(1, kMinimumStepDelay);
 
     set_remote_ice_parameter_source(FROM_SETICEPARAMETERS);
   }
@@ -1187,10 +1185,11 @@
         // Add a two cascaded NATs of the desired types
         nat()
             ->AddTranslator(kPublicAddrs[endpoint], kNatAddrs[endpoint],
-                            (config == NAT_DOUBLE_CONE) ? webrtc::NAT_OPEN_CONE
-                                                        : webrtc::NAT_SYMMETRIC)
+                            (config == Config::NAT_DOUBLE_CONE)
+                                ? NATType::NAT_OPEN_CONE
+                                : NATType::NAT_SYMMETRIC)
             ->AddTranslator(kPrivateAddrs[endpoint],
-                            kCascadedNatAddrs[endpoint], webrtc::NAT_OPEN_CONE)
+                            kCascadedNatAddrs[endpoint], NAT_OPEN_CONE)
             ->AddClient(kCascadedPrivateAddrs[endpoint]);
         break;
       case BLOCK_UDP:
@@ -1198,20 +1197,17 @@
       case BLOCK_ALL_BUT_OUTGOING_HTTP:
         AddAddress(endpoint, kPublicAddrs[endpoint]);
         // Block all UDP
-        fw()->AddRule(false, webrtc::FP_UDP, webrtc::FD_ANY,
-                      kPublicAddrs[endpoint]);
+        fw()->AddRule(false, FP_UDP, FD_ANY, kPublicAddrs[endpoint]);
         if (config == BLOCK_UDP_AND_INCOMING_TCP) {
           // Block TCP inbound to the endpoint
-          fw()->AddRule(false, webrtc::FP_TCP, SocketAddress(),
-                        kPublicAddrs[endpoint]);
+          fw()->AddRule(false, FP_TCP, SocketAddress(), kPublicAddrs[endpoint]);
         } else if (config == BLOCK_ALL_BUT_OUTGOING_HTTP) {
           // Block all TCP to/from the endpoint except 80/443 out
-          fw()->AddRule(true, webrtc::FP_TCP, kPublicAddrs[endpoint],
+          fw()->AddRule(true, FP_TCP, kPublicAddrs[endpoint],
                         SocketAddress(IPAddress(INADDR_ANY), 80));
-          fw()->AddRule(true, webrtc::FP_TCP, kPublicAddrs[endpoint],
+          fw()->AddRule(true, FP_TCP, kPublicAddrs[endpoint],
                         SocketAddress(IPAddress(INADDR_ANY), 443));
-          fw()->AddRule(false, webrtc::FP_TCP, webrtc::FD_ANY,
-                        kPublicAddrs[endpoint]);
+          fw()->AddRule(false, FP_TCP, FD_ANY, kPublicAddrs[endpoint]);
         }
         break;
       default:
@@ -1326,8 +1322,8 @@
 // Standard Ice protocol is used.
 TEST_F(P2PTransportChannelTest, HandleUfragPwdChange) {
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   CreateChannels(env);
   TestHandleIceUfragPasswordChanged();
   DestroyChannels();
@@ -1338,8 +1334,7 @@
 TEST_F(P2PTransportChannelTest, HandleUfragPwdChangeSymmetricNat) {
   const Environment env = CreateEnvironment();
   ConfigureEndpoints(env, NAT_SYMMETRIC, NAT_SYMMETRIC,
-                     webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+                     kDefaultPortAllocatorFlags, kDefaultPortAllocatorFlags);
   CreateChannels(env);
   TestHandleIceUfragPasswordChanged();
   DestroyChannels();
@@ -1349,18 +1344,18 @@
 TEST_F(P2PTransportChannelTest, GetStats) {
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   CreateChannels(env);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()->receiving() && ep1_ch1()->writable() &&
                    ep2_ch1()->receiving() && ep2_ch1()->writable();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   // Sends and receives 10 packets.
   TestSendRecv(&clock);
 
@@ -1405,23 +1400,23 @@
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
   IceConfig continual_gathering_config =
-      CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+      CreateIceConfig(1000, GATHER_CONTINUALLY);
 
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
 
   AddAddress(0, kAlternateAddrs[1], "rmnet0", ADAPTER_TYPE_CELLULAR);
 
   CreateChannels(env, continual_gathering_config, continual_gathering_config);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()->receiving() && ep1_ch1()->writable() &&
                    ep2_ch1()->receiving() && ep2_ch1()->writable();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   // Sends and receives 10 packets.
   TestSendRecv(&clock);
 
@@ -1453,10 +1448,10 @@
       const_cast<Connection*>(old_selected_connection));
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Sends and receives 10 packets.
   TestSendRecv(&clock);
@@ -1490,27 +1485,27 @@
 
   // ep1 gathers continually but ep2 does not.
   IceConfig continual_gathering_config =
-      CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+      CreateIceConfig(1000, GATHER_CONTINUALLY);
   IceConfig default_config;
   CreateChannels(env, continual_gathering_config, default_config);
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Adding address in ep1 will trigger continual gathering.
   AddAddress(0, kAlternateAddrs[0]);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return GetEndpoint(0)->GetIceRegatheringCountForReason(
                 IceRegatheringReason::NETWORK_CHANGE);
           },
           Eq(1),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   ep2_ch1()->SetIceParameters(kIceParams[3]);
   ep2_ch1()->SetRemoteIceParameters(kIceParams[2]);
@@ -1534,19 +1529,19 @@
   ConfigureEndpoints(env, OPEN, OPEN, kOnlyLocalPorts, kOnlyLocalPorts);
 
   // ep1 gathers continually but ep2 does not.
-  IceConfig config1 = CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+  IceConfig config1 = CreateIceConfig(1000, GATHER_CONTINUALLY);
   config1.regather_on_failed_networks_interval = 2000;
   IceConfig config2;
   config2.regather_on_failed_networks_interval = 2000;
   CreateChannels(env, config1, config2);
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, kPublicAddrs[0]);
+  fw()->AddRule(false, FP_ANY, FD_ANY, kPublicAddrs[0]);
   // Timeout value such that all connections are deleted.
   const int kNetworkFailureTimeout = 35000;
   SIMULATED_WAIT(false, kNetworkFailureTimeout, clock);
@@ -1562,8 +1557,8 @@
 // when the signaling is slow.
 TEST_F(P2PTransportChannelTest, PeerReflexiveCandidateBeforeSignaling) {
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   // Emulate no remote parameters coming in.
   set_remote_ice_parameter_source(FROM_CANDIDATE);
   CreateChannels(env);
@@ -1576,10 +1571,10 @@
 
   // Wait until the callee becomes writable to make sure that a ping request is
   // received by the caller before their remote ICE credentials are set.
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return ep2_ch1()->selected_connection(); }, Ne(nullptr),
-                  {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return ep2_ch1()->selected_connection(); }, Ne(nullptr),
+                {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
   // Add two sets of remote ICE credentials, so that the ones used by the
   // candidate will be generation 1 instead of 0.
   ep1_ch1()->SetRemoteIceParameters(kIceParams[3]);
@@ -1587,13 +1582,13 @@
   // The caller should have the selected connection connected to the peer
   // reflexive candidate.
   const Connection* selected_connection = nullptr;
-  ASSERT_THAT(webrtc::WaitUntil(
+  ASSERT_THAT(WaitUntil(
                   [&] {
                     return selected_connection =
                                ep1_ch1()->selected_connection();
                   },
                   Ne(nullptr), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_TRUE(selected_connection->remote_candidate().is_prflx());
   EXPECT_EQ(kIceUfrag[1], selected_connection->remote_candidate().username());
   EXPECT_EQ(kIcePwd[1], selected_connection->remote_candidate().password());
@@ -1601,7 +1596,7 @@
 
   ResumeCandidates(1);
   // Verify ep1's selected connection is updated to use the 'local' candidate.
-  EXPECT_THAT(webrtc::WaitUntil(
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return ep1_ch1()
                         ->selected_connection()
@@ -1609,7 +1604,7 @@
                         .is_local();
                   },
                   IsTrue(), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(selected_connection, ep1_ch1()->selected_connection());
   DestroyChannels();
 }
@@ -1631,15 +1626,15 @@
   // candidate.
   PauseCandidates(1);
 
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return ep2_ch1()->selected_connection(); }, Ne(nullptr),
-                  {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return ep2_ch1()->selected_connection(); }, Ne(nullptr),
+                {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
   ep1_ch1()->SetRemoteIceParameters(kIceParams[1]);
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
-                  {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
+                {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
 
   // Check the selected candidate pair.
   auto pair_ep1 = ep1_ch1()->GetSelectedCandidatePair();
@@ -1660,7 +1655,7 @@
 
   // Let ep1 receive the remote candidate to update its type from prflx to host.
   ResumeCandidates(1);
-  ASSERT_THAT(webrtc::WaitUntil(
+  ASSERT_THAT(WaitUntil(
                   [&] {
                     return ep1_ch1()->selected_connection() != nullptr &&
                            ep1_ch1()
@@ -1669,7 +1664,7 @@
                                .is_local();
                   },
                   IsTrue(), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
 
   // We should be able to reveal the address after it is learnt via
   // AddIceCandidate.
@@ -1696,9 +1691,8 @@
 // when the signaling is slow and the end points are behind NAT.
 TEST_F(P2PTransportChannelTest, PeerReflexiveCandidateBeforeSignalingWithNAT) {
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, NAT_SYMMETRIC,
-                     webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, NAT_SYMMETRIC, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   // Emulate no remote parameters coming in.
   set_remote_ice_parameter_source(FROM_CANDIDATE);
   CreateChannels(env);
@@ -1710,10 +1704,10 @@
 
   // Wait until the callee becomes writable to make sure that a ping request is
   // received by the caller before their remote ICE credentials are set.
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return ep2_ch1()->selected_connection(); }, Ne(nullptr),
-                  {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return ep2_ch1()->selected_connection(); }, Ne(nullptr),
+                {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
   // Add two sets of remote ICE credentials, so that the ones used by the
   // candidate will be generation 1 instead of 0.
   ep1_ch1()->SetRemoteIceParameters(kIceParams[3]);
@@ -1722,13 +1716,13 @@
   // The caller's selected connection should be connected to the peer reflexive
   // candidate.
   const Connection* selected_connection = nullptr;
-  ASSERT_THAT(webrtc::WaitUntil(
+  ASSERT_THAT(WaitUntil(
                   [&] {
                     return selected_connection =
                                ep1_ch1()->selected_connection();
                   },
                   Ne(nullptr), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_TRUE(selected_connection->remote_candidate().is_prflx());
   EXPECT_EQ(kIceUfrag[1], selected_connection->remote_candidate().username());
   EXPECT_EQ(kIcePwd[1], selected_connection->remote_candidate().password());
@@ -1736,7 +1730,7 @@
 
   ResumeCandidates(1);
 
-  EXPECT_THAT(webrtc::WaitUntil(
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return ep1_ch1()
                         ->selected_connection()
@@ -1744,7 +1738,7 @@
                         .is_prflx();
                   },
                   IsTrue(), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(selected_connection, ep1_ch1()->selected_connection());
   DestroyChannels();
 }
@@ -1761,22 +1755,22 @@
 TEST_F(P2PTransportChannelTest,
        PeerReflexiveCandidateBeforeSignalingWithIceRestart) {
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   // Only gather relay candidates, so that when the prflx candidate arrives
   // it's prioritized above the current candidate pair.
-  GetEndpoint(0)->allocator_->SetCandidateFilter(webrtc::CF_RELAY);
-  GetEndpoint(1)->allocator_->SetCandidateFilter(webrtc::CF_RELAY);
+  GetEndpoint(0)->allocator_->SetCandidateFilter(CF_RELAY);
+  GetEndpoint(1)->allocator_->SetCandidateFilter(CF_RELAY);
   // Setting this allows us to control when SetRemoteIceParameters is called.
   set_remote_ice_parameter_source(FROM_CANDIDATE);
   CreateChannels(env);
   // Wait for the initial connection to be made.
   ep1_ch1()->SetRemoteIceParameters(kIceParams[1]);
   ep2_ch1()->SetRemoteIceParameters(kIceParams[0]);
-  EXPECT_THAT(webrtc::WaitUntil(
-                  [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); },
-                  IsTrue(), {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
+                {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
+      IsRtcOk());
 
   // Simulate an ICE restart on ep2, but don't signal the candidate or new
   // ICE parameters until after a prflx connection has been made.
@@ -1788,7 +1782,7 @@
 
   // The caller should have the selected connection connected to the peer
   // reflexive candidate.
-  EXPECT_THAT(webrtc::WaitUntil(
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return ep1_ch1()
                         ->selected_connection()
@@ -1796,7 +1790,7 @@
                         .is_prflx();
                   },
                   IsTrue(), {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
   const Connection* prflx_selected_connection =
       ep1_ch1()->selected_connection();
 
@@ -1810,7 +1804,7 @@
   // their information to update the peer reflexive candidate.
   ResumeCandidates(1);
 
-  EXPECT_THAT(webrtc::WaitUntil(
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return ep1_ch1()
                         ->selected_connection()
@@ -1818,7 +1812,7 @@
                         .is_relay();
                   },
                   IsTrue(), {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(prflx_selected_connection, ep1_ch1()->selected_connection());
   DestroyChannels();
 }
@@ -1828,19 +1822,19 @@
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
   set_remote_ice_parameter_source(FROM_SETICEPARAMETERS);
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   CreateChannels(env);
   const Connection* selected_connection = nullptr;
   // Wait until the callee's connections are created.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return selected_connection = ep2_ch1()->selected_connection();
           },
           NotNull(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   // Wait to make sure the selected connection is not changed.
   SIMULATED_WAIT(ep2_ch1()->selected_connection() != selected_connection,
                  kShortTimeout, clock);
@@ -1853,9 +1847,8 @@
 TEST_F(P2PTransportChannelTest, IncomingOnlyBlocked) {
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, NAT_FULL_CONE, OPEN,
-                     webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, NAT_FULL_CONE, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
 
   SetAllocatorFlags(0, kOnlyLocalPorts);
   CreateChannels(env);
@@ -1877,19 +1870,18 @@
 TEST_F(P2PTransportChannelTest, IncomingOnlyOpen) {
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, NAT_FULL_CONE,
-                     webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, NAT_FULL_CONE, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
 
   SetAllocatorFlags(0, kOnlyLocalPorts);
   CreateChannels(env);
   ep1_ch1()->set_incoming_only(true);
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   DestroyChannels();
 }
@@ -1905,15 +1897,15 @@
   //
   // TODO(deadbeef): Later, make this flag the default, and do more elegant
   // things to ensure extra candidates don't waste resources?
-  ConfigureEndpoints(env, OPEN, OPEN,
-                     webrtc::kDefaultPortAllocatorFlags |
-                         webrtc::PORTALLOCATOR_ENABLE_ANY_ADDRESS_PORTS,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(
+      env, OPEN, OPEN,
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_ANY_ADDRESS_PORTS,
+      kDefaultPortAllocatorFlags);
   // In order to simulate nothing working but outgoing TCP connections, prevent
   // the endpoint from binding to its interface's address as well as the
   // "any" addresses. It can then only make a connection by using "Connect()".
-  fw()->SetUnbindableIps({webrtc::GetAnyIP(AF_INET), webrtc::GetAnyIP(AF_INET6),
-                          kPublicAddrs[0].ipaddr()});
+  fw()->SetUnbindableIps(
+      {GetAnyIP(AF_INET), GetAnyIP(AF_INET6), kPublicAddrs[0].ipaddr()});
   CreateChannels(env);
   // Expect a IceCandidateType::kPrflx candidate on the side that can only make
   // outgoing connections, endpoint 0.
@@ -1928,12 +1920,12 @@
   AddAddress(0, kPublicAddrs[0]);
   AddAddress(1, kPublicAddrs[1]);
 
-  SetAllocationStepDelay(0, webrtc::kMinimumStepDelay);
-  SetAllocationStepDelay(1, webrtc::kMinimumStepDelay);
+  SetAllocationStepDelay(0, kMinimumStepDelay);
+  SetAllocationStepDelay(1, kMinimumStepDelay);
 
-  int kOnlyLocalTcpPorts = webrtc::PORTALLOCATOR_DISABLE_UDP |
-                           webrtc::PORTALLOCATOR_DISABLE_STUN |
-                           webrtc::PORTALLOCATOR_DISABLE_RELAY;
+  int kOnlyLocalTcpPorts = PORTALLOCATOR_DISABLE_UDP |
+                           PORTALLOCATOR_DISABLE_STUN |
+                           PORTALLOCATOR_DISABLE_RELAY;
   // Disable all protocols except TCP.
   SetAllocatorFlags(0, kOnlyLocalTcpPorts);
   SetAllocatorFlags(1, kOnlyLocalTcpPorts);
@@ -1952,22 +1944,22 @@
   CreateChannels(env);
 
   // Verify tcp candidates.
-  VerifySavedTcpCandidates(0, webrtc::TCPTYPE_PASSIVE_STR);
-  VerifySavedTcpCandidates(1, webrtc::TCPTYPE_ACTIVE_STR);
+  VerifySavedTcpCandidates(0, TCPTYPE_PASSIVE_STR);
+  VerifySavedTcpCandidates(1, TCPTYPE_ACTIVE_STR);
 
   // Resume candidates.
   ResumeCandidates(0);
   ResumeCandidates(1);
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(
                 ep1_ch1(), ep2_ch1(), kPublicAddrs[0], kPublicAddrs[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   TestSendRecv(&clock);
   DestroyChannels();
@@ -1978,18 +1970,18 @@
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
   ConfigureEndpoints(env, BLOCK_UDP_AND_INCOMING_TCP, OPEN,
-                     webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET,
-                     webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET);
+                     PORTALLOCATOR_ENABLE_SHARED_SOCKET,
+                     PORTALLOCATOR_ENABLE_SHARED_SOCKET);
 
   SetAllowTcpListen(0, false);  // active.
   SetAllowTcpListen(1, true);   // actpass.
   CreateChannels(env);
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   SIMULATED_WAIT(false, kDefaultTimeout, clock);
 
   EXPECT_EQ(RemoteCandidate(ep1_ch1())->tcptype(), "passive");
@@ -2008,8 +2000,8 @@
   AddAddress(1, kPublicAddrs[1]);
 
   // Creating channels with both channels role set to CONTROLLING.
-  SetIceRole(0, webrtc::ICEROLE_CONTROLLING);
-  SetIceRole(1, webrtc::ICEROLE_CONTROLLING);
+  SetIceRole(0, ICEROLE_CONTROLLING);
+  SetIceRole(1, ICEROLE_CONTROLLING);
 
   CreateChannels(env);
   bool first_endpoint_has_lower_tiebreaker =
@@ -2018,20 +2010,19 @@
   // Since both the channels initiated with controlling state, the channel with
   // the lower tiebreaker should receive SignalRoleConflict.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return GetRoleConflict(first_endpoint_has_lower_tiebreaker ? 0 : 1);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   EXPECT_FALSE(GetRoleConflict(first_endpoint_has_lower_tiebreaker ? 1 : 0));
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
-          {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      WaitUntil([&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
+                {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
+      IsRtcOk());
 
   EXPECT_TRUE(ep1_ch1()->selected_connection() &&
               ep2_ch1()->selected_connection());
@@ -2050,34 +2041,32 @@
 
   // Give the first connection the higher tiebreaker so its role won't
   // change unless we tell it to.
-  SetIceRole(0, webrtc::ICEROLE_CONTROLLING);
-  SetIceRole(1, webrtc::ICEROLE_CONTROLLING);
+  SetIceRole(0, ICEROLE_CONTROLLING);
+  SetIceRole(1, ICEROLE_CONTROLLING);
 
   CreateChannels(env);
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ep1_ch1()->ports().size(); }, Eq(2u),
-          {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      WaitUntil([&] { return ep1_ch1()->ports().size(); }, Eq(2u),
+                {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
+      IsRtcOk());
 
   const std::vector<PortInterface*> ports_before = ep1_ch1()->ports();
   for (size_t i = 0; i < ports_before.size(); ++i) {
-    EXPECT_EQ(webrtc::ICEROLE_CONTROLLING, ports_before[i]->GetIceRole());
+    EXPECT_EQ(ICEROLE_CONTROLLING, ports_before[i]->GetIceRole());
   }
 
-  ep1_ch1()->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ep1_ch1()->SetIceRole(ICEROLE_CONTROLLED);
 
   const std::vector<PortInterface*> ports_after = ep1_ch1()->ports();
   for (size_t i = 0; i < ports_after.size(); ++i) {
-    EXPECT_EQ(webrtc::ICEROLE_CONTROLLED, ports_before[i]->GetIceRole());
+    EXPECT_EQ(ICEROLE_CONTROLLED, ports_before[i]->GetIceRole());
   }
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
-          {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      WaitUntil([&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
+                {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
+      IsRtcOk());
 
   EXPECT_TRUE(ep1_ch1()->selected_connection() &&
               ep2_ch1()->selected_connection());
@@ -2117,26 +2106,26 @@
   AddAddress(1, kIPv6PublicAddrs[1]);
   AddAddress(1, kPublicAddrs[1]);
 
-  SetAllocationStepDelay(0, webrtc::kMinimumStepDelay);
-  SetAllocationStepDelay(1, webrtc::kMinimumStepDelay);
+  SetAllocationStepDelay(0, kMinimumStepDelay);
+  SetAllocationStepDelay(1, kMinimumStepDelay);
 
   // Enable IPv6
-  SetAllocatorFlags(0, webrtc::PORTALLOCATOR_ENABLE_IPV6 |
-                           webrtc::PORTALLOCATOR_ENABLE_IPV6_ON_WIFI);
-  SetAllocatorFlags(1, webrtc::PORTALLOCATOR_ENABLE_IPV6 |
-                           webrtc::PORTALLOCATOR_ENABLE_IPV6_ON_WIFI);
+  SetAllocatorFlags(
+      0, PORTALLOCATOR_ENABLE_IPV6 | PORTALLOCATOR_ENABLE_IPV6_ON_WIFI);
+  SetAllocatorFlags(
+      1, PORTALLOCATOR_ENABLE_IPV6 | PORTALLOCATOR_ENABLE_IPV6_ON_WIFI);
 
   CreateChannels(env);
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(
                 ep1_ch1(), ep2_ch1(), kIPv6PublicAddrs[0], kIPv6PublicAddrs[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   TestSendRecv(&clock);
   DestroyChannels();
@@ -2146,23 +2135,22 @@
 TEST_F(P2PTransportChannelTest, TestForceTurn) {
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, NAT_PORT_RESTRICTED, NAT_SYMMETRIC,
-                     webrtc::kDefaultPortAllocatorFlags |
-                         webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET,
-                     webrtc::kDefaultPortAllocatorFlags |
-                         webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET);
+  ConfigureEndpoints(
+      env, NAT_PORT_RESTRICTED, NAT_SYMMETRIC,
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET,
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET);
   set_force_relay(true);
 
-  SetAllocationStepDelay(0, webrtc::kMinimumStepDelay);
-  SetAllocationStepDelay(1, webrtc::kMinimumStepDelay);
+  SetAllocationStepDelay(0, kMinimumStepDelay);
+  SetAllocationStepDelay(1, kMinimumStepDelay);
 
   CreateChannels(env);
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   EXPECT_TRUE(ep1_ch1()->selected_connection() &&
               ep2_ch1()->selected_connection());
@@ -2181,21 +2169,21 @@
 TEST_F(P2PTransportChannelTest, TestContinualGathering) {
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
-  SetAllocationStepDelay(0, webrtc::kDefaultStepDelay);
-  SetAllocationStepDelay(1, webrtc::kDefaultStepDelay);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
+  SetAllocationStepDelay(0, kDefaultStepDelay);
+  SetAllocationStepDelay(1, kDefaultStepDelay);
   IceConfig continual_gathering_config =
-      CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+      CreateIceConfig(1000, GATHER_CONTINUALLY);
   // By default, ep2 does not gather continually.
   IceConfig default_config;
   CreateChannels(env, continual_gathering_config, default_config);
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   SIMULATED_WAIT(
       IceGatheringState::kIceGatheringComplete == ep1_ch1()->gathering_state(),
       kShortTimeout, clock);
@@ -2213,18 +2201,18 @@
 TEST_F(P2PTransportChannelTest, TestUsingPooledSessionBeforeDoneGathering) {
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   // First create a pooled session for each endpoint.
   auto& allocator_1 = GetEndpoint(0)->allocator_;
   auto& allocator_2 = GetEndpoint(1)->allocator_;
   int pool_size = 1;
   allocator_1->SetConfiguration(allocator_1->stun_servers(),
                                 allocator_1->turn_servers(), pool_size,
-                                webrtc::NO_PRUNE);
+                                NO_PRUNE);
   allocator_2->SetConfiguration(allocator_2->stun_servers(),
                                 allocator_2->turn_servers(), pool_size,
-                                webrtc::NO_PRUNE);
+                                NO_PRUNE);
   const PortAllocatorSession* pooled_session_1 =
       allocator_1->GetPooledSession();
   const PortAllocatorSession* pooled_session_2 =
@@ -2239,10 +2227,10 @@
   // Now let the endpoints connect and try exchanging some data.
   CreateChannels(env);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   TestSendRecv(&clock);
   // Make sure the P2PTransportChannels are actually using ports from the
   // pooled sessions.
@@ -2260,18 +2248,18 @@
 TEST_F(P2PTransportChannelTest, TestUsingPooledSessionAfterDoneGathering) {
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   // First create a pooled session for each endpoint.
   auto& allocator_1 = GetEndpoint(0)->allocator_;
   auto& allocator_2 = GetEndpoint(1)->allocator_;
   int pool_size = 1;
   allocator_1->SetConfiguration(allocator_1->stun_servers(),
                                 allocator_1->turn_servers(), pool_size,
-                                webrtc::NO_PRUNE);
+                                NO_PRUNE);
   allocator_2->SetConfiguration(allocator_2->stun_servers(),
                                 allocator_2->turn_servers(), pool_size,
-                                webrtc::NO_PRUNE);
+                                NO_PRUNE);
   const PortAllocatorSession* pooled_session_1 =
       allocator_1->GetPooledSession();
   const PortAllocatorSession* pooled_session_2 =
@@ -2281,21 +2269,21 @@
   // Wait for the pooled sessions to finish gathering before the
   // P2PTransportChannels try to use them.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return pooled_session_1->CandidatesAllocationDone() &&
                    pooled_session_2->CandidatesAllocationDone();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   // Now let the endpoints connect and try exchanging some data.
   CreateChannels(env);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   TestSendRecv(&clock);
   // Make sure the P2PTransportChannels are actually using ports from the
   // pooled sessions.
@@ -2316,8 +2304,8 @@
 // (which supports TURN servers and TURN candidate gathering) is available.
 TEST_F(P2PTransportChannelTest, TurnToTurnPresumedWritable) {
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   // Only configure one channel so we can control when the remote candidate
   // is added.
   GetEndpoint(0)->cd1_.ch_ = CreateChannel(
@@ -2326,11 +2314,10 @@
   config.presume_writable_when_fully_relayed = true;
   ep1_ch1()->SetIceConfig(config);
   ep1_ch1()->MaybeStartGathering();
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ep1_ch1()->gathering_state(); },
+  EXPECT_THAT(WaitUntil([&] { return ep1_ch1()->gathering_state(); },
                         Eq(IceGatheringState::kIceGatheringComplete),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   // Add two remote candidates; a host candidate (with higher priority)
   // and TURN candidate.
   ep1_ch1()->AddRemoteCandidate(
@@ -2339,10 +2326,10 @@
       CreateUdpCandidate(IceCandidateType::kRelay, "2.2.2.2", 2, 0));
   // Expect that the TURN-TURN candidate pair will be prioritized since it's
   // "probably writable".
-  EXPECT_THAT(webrtc::WaitUntil(
-                  [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
-                  {.timeout = TimeDelta::Millis(kShortTimeout)}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
+                {.timeout = TimeDelta::Millis(kShortTimeout)}),
+      IsRtcOk());
   EXPECT_TRUE(LocalCandidate(ep1_ch1())->is_relay());
   EXPECT_TRUE(RemoteCandidate(ep1_ch1())->is_relay());
   // Also expect that the channel instantly indicates that it's writable since
@@ -2369,8 +2356,7 @@
   virtual_socket_server()->UpdateDelayDistribution();
 
   ConfigureEndpoints(env, NAT_SYMMETRIC, NAT_SYMMETRIC,
-                     webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+                     kDefaultPortAllocatorFlags, kDefaultPortAllocatorFlags);
   // We want the remote TURN candidate to show up as prflx. To do this we need
   // to configure the server to accept packets from an address we haven't
   // explicitly installed permission for.
@@ -2391,11 +2377,11 @@
 
   // Wait for the TURN<->prflx connection.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep1_ch1()->receiving() && ep1_ch1()->writable(); },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &fake_clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   ASSERT_NE(nullptr, ep1_ch1()->selected_connection());
   EXPECT_TRUE(LocalCandidate(ep1_ch1())->is_relay());
   EXPECT_TRUE(RemoteCandidate(ep1_ch1())->is_prflx());
@@ -2405,11 +2391,11 @@
 
   // Now wait for it to actually become writable.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep1_ch1()->selected_connection()->writable(); },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &fake_clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Explitly destroy channels, before fake clock is destroyed.
   DestroyChannels();
@@ -2422,8 +2408,7 @@
   const Environment env = CreateEnvironment();
 
   ConfigureEndpoints(env, NAT_SYMMETRIC, NAT_SYMMETRIC,
-                     webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+                     kDefaultPortAllocatorFlags, kDefaultPortAllocatorFlags);
   IceConfig config;
   config.presume_writable_when_fully_relayed = true;
   GetEndpoint(0)->cd1_.ch_ = CreateChannel(
@@ -2436,19 +2421,18 @@
   ep2_ch1()->MaybeStartGathering();
   // Wait for initial connection as usual.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &fake_clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   const Connection* old_selected_connection = ep1_ch1()->selected_connection();
   // Destroy the second channel and wait for the current connection on the
   // first channel to become "unreliable", making it no longer writable.
   GetEndpoint(1)->cd1_.ch_.reset();
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return !ep1_ch1()->writable(); }, IsTrue(),
+  EXPECT_THAT(WaitUntil([&] { return !ep1_ch1()->writable(); }, IsTrue(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout),
                          .clock = &fake_clock}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_NE(nullptr, ep1_ch1()->selected_connection());
   // Add a remote TURN candidate. The first channel should still have a TURN
   // port available to make a TURN<->TURN pair that's presumed writable.
@@ -2467,8 +2451,8 @@
 // writable" connection. Previously this did not work.
 TEST_F(P2PTransportChannelTest, SignalReadyToSendWithPresumedWritable) {
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   // Only test one endpoint, so we can ensure the connection doesn't receive a
   // binding response and advance beyond being "presumed" writable.
   GetEndpoint(0)->cd1_.ch_ = CreateChannel(
@@ -2477,18 +2461,17 @@
   config.presume_writable_when_fully_relayed = true;
   ep1_ch1()->SetIceConfig(config);
   ep1_ch1()->MaybeStartGathering();
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ep1_ch1()->gathering_state(); },
+  EXPECT_THAT(WaitUntil([&] { return ep1_ch1()->gathering_state(); },
                         Eq(IceGatheringState::kIceGatheringComplete),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ep1_ch1()->AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kRelay, "1.1.1.1", 1, 0));
   // Sanity checking the type of the connection.
-  EXPECT_THAT(webrtc::WaitUntil(
-                  [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
-                  {.timeout = TimeDelta::Millis(kShortTimeout)}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
+                {.timeout = TimeDelta::Millis(kShortTimeout)}),
+      IsRtcOk());
   EXPECT_TRUE(LocalCandidate(ep1_ch1())->is_relay());
   EXPECT_TRUE(RemoteCandidate(ep1_ch1())->is_relay());
 
@@ -2515,18 +2498,16 @@
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
   // Gather only relay candidates.
-  ConfigureEndpoints(
-      env, NAT_SYMMETRIC, NAT_SYMMETRIC,
-      webrtc::kDefaultPortAllocatorFlags | webrtc::PORTALLOCATOR_DISABLE_UDP |
-          webrtc::PORTALLOCATOR_DISABLE_STUN |
-          webrtc::PORTALLOCATOR_DISABLE_TCP,
-      webrtc::kDefaultPortAllocatorFlags | webrtc::PORTALLOCATOR_DISABLE_UDP |
-          webrtc::PORTALLOCATOR_DISABLE_STUN |
-          webrtc::PORTALLOCATOR_DISABLE_TCP);
+  ConfigureEndpoints(env, NAT_SYMMETRIC, NAT_SYMMETRIC,
+                     kDefaultPortAllocatorFlags | PORTALLOCATOR_DISABLE_UDP |
+                         PORTALLOCATOR_DISABLE_STUN | PORTALLOCATOR_DISABLE_TCP,
+                     kDefaultPortAllocatorFlags | PORTALLOCATOR_DISABLE_UDP |
+                         PORTALLOCATOR_DISABLE_STUN |
+                         PORTALLOCATOR_DISABLE_TCP);
   // With conflicting ICE roles, endpoint 1 has the higher tie breaker and will
   // send a binding error response.
-  SetIceRole(0, webrtc::ICEROLE_CONTROLLING);
-  SetIceRole(1, webrtc::ICEROLE_CONTROLLING);
+  SetIceRole(0, ICEROLE_CONTROLLING);
+  SetIceRole(1, ICEROLE_CONTROLLING);
   // We want the remote TURN candidate to show up as prflx. To do this we need
   // to configure the server to accept packets from an address we haven't
   // explicitly installed permission for.
@@ -2542,11 +2523,11 @@
   ep2_ch1()->MaybeStartGathering();
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep1_ch1()->receiving() && ep1_ch1()->writable(); },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   ASSERT_NE(nullptr, ep1_ch1()->selected_connection());
 
@@ -2565,7 +2546,7 @@
       "WebRTC-PiggybackIceCheckAcknowledgement/Enabled/"));
   ConfigureEndpoints(env, OPEN, OPEN, kOnlyLocalPorts, kOnlyLocalPorts);
   IceConfig ep1_config;
-  IceConfig ep2_config = CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+  IceConfig ep2_config = CreateIceConfig(1000, GATHER_CONTINUALLY);
   // Let ep2 be tolerable of the loss of connectivity checks, so that it keeps
   // sending pings even after ep1 becomes unwritable as we configure the
   // firewall below.
@@ -2578,23 +2559,22 @@
 
   // Wait until both sides become writable for the first time.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   // Block the ingress traffic to ep1 so that there is no check response from
   // ep2.
   ASSERT_NE(nullptr, LocalCandidate(ep1_ch1()));
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_IN,
-                LocalCandidate(ep1_ch1())->address());
+  fw()->AddRule(false, FP_ANY, FD_IN, LocalCandidate(ep1_ch1())->address());
   // Wait until ep1 becomes unwritable. At the same time ep2 should be still
   // fine so that it will keep sending pings.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep1_ch1() != nullptr && !ep1_ch1()->writable(); },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   EXPECT_TRUE(ep2_ch1() != nullptr && ep2_ch1()->writable());
   // Now let the pings from ep2 to flow but block any pings from ep1, so that
   // ep1 can only become writable again after receiving an incoming ping from
@@ -2602,14 +2582,13 @@
   // though that ep1 should have stopped sending pings after becoming unwritable
   // in the current design.
   fw()->ClearRules();
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_OUT,
-                LocalCandidate(ep1_ch1())->address());
+  fw()->AddRule(false, FP_ANY, FD_OUT, LocalCandidate(ep1_ch1())->address());
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep1_ch1() != nullptr && ep1_ch1()->writable(); },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   DestroyChannels();
 }
 
@@ -2752,43 +2731,43 @@
   SetAllocatorFlags(1, kOnlyLocalPorts);
 
   // Make the receiving timeout shorter for testing.
-  IceConfig config = CreateIceConfig(1000, webrtc::GATHER_ONCE);
+  IceConfig config = CreateIceConfig(1000, GATHER_ONCE);
   // Create channels and let them go writable, as usual.
   CreateChannels(env, config, config);
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(
                 ep1_ch1(), ep2_ch1(), kPublicAddrs[0], kPublicAddrs[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Blackhole any traffic to or from the public addrs.
   RTC_LOG(LS_INFO) << "Failing over...";
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, kPublicAddrs[1]);
+  fw()->AddRule(false, FP_ANY, FD_ANY, kPublicAddrs[1]);
   // The selected connections may switch, so keep references to them.
   const Connection* selected_connection1 = ep1_ch1()->selected_connection();
   // We should detect loss of receiving within 1 second or so.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return !selected_connection1->receiving(); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // We should switch over to use the alternate addr on both sides
   // when we are not receiving.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()->selected_connection()->receiving() &&
                    ep2_ch1()->selected_connection()->receiving();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   EXPECT_TRUE(LocalCandidate(ep1_ch1())->address().EqualIPs(kPublicAddrs[0]));
   EXPECT_TRUE(
       RemoteCandidate(ep1_ch1())->address().EqualIPs(kAlternateAddrs[1]));
@@ -2814,35 +2793,35 @@
   SetAllocatorFlags(1, kOnlyLocalPorts);
 
   // Make the receiving timeout shorter for testing.
-  IceConfig config = CreateIceConfig(1000, webrtc::GATHER_ONCE);
+  IceConfig config = CreateIceConfig(1000, GATHER_ONCE);
   // Create channels and let them go writable, as usual.
   CreateChannels(env, config, config);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(
                 ep1_ch1(), ep2_ch1(), kPublicAddrs[0], kPublicAddrs[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Blackhole any traffic to or from the public addrs.
   RTC_LOG(LS_INFO) << "Failing over...";
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, kPublicAddrs[0]);
+  fw()->AddRule(false, FP_ANY, FD_ANY, kPublicAddrs[0]);
 
   // We should detect loss of receiving within 1 second or so.
   // We should switch over to use the alternate addr on both sides
   // when we are not receiving.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(
                 ep1_ch1(), ep2_ch1(), kAlternateAddrs[0], kPublicAddrs[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   DestroyChannels();
 }
@@ -2853,20 +2832,19 @@
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
   CreatePortAllocators(env);
-  test_turn_server()->AddInternalSocket(kTurnTcpIntAddr, webrtc::PROTO_TCP);
+  test_turn_server()->AddInternalSocket(kTurnTcpIntAddr, PROTO_TCP);
   RelayServerConfig turn_server;
   turn_server.credentials = kRelayCredentials;
-  turn_server.ports.push_back(
-      ProtocolAddress(kTurnTcpIntAddr, webrtc::PROTO_TCP));
+  turn_server.ports.push_back(ProtocolAddress(kTurnTcpIntAddr, PROTO_TCP));
   GetAllocator(0)->AddTurnServerForTesting(turn_server);
   GetAllocator(1)->AddTurnServerForTesting(turn_server);
   // Enable IPv6
-  SetAllocatorFlags(0, webrtc::PORTALLOCATOR_ENABLE_IPV6 |
-                           webrtc::PORTALLOCATOR_ENABLE_IPV6_ON_WIFI);
-  SetAllocatorFlags(1, webrtc::PORTALLOCATOR_ENABLE_IPV6 |
-                           webrtc::PORTALLOCATOR_ENABLE_IPV6_ON_WIFI);
-  SetAllocationStepDelay(0, webrtc::kMinimumStepDelay);
-  SetAllocationStepDelay(1, webrtc::kMinimumStepDelay);
+  SetAllocatorFlags(
+      0, PORTALLOCATOR_ENABLE_IPV6 | PORTALLOCATOR_ENABLE_IPV6_ON_WIFI);
+  SetAllocatorFlags(
+      1, PORTALLOCATOR_ENABLE_IPV6 | PORTALLOCATOR_ENABLE_IPV6_ON_WIFI);
+  SetAllocationStepDelay(0, kMinimumStepDelay);
+  SetAllocationStepDelay(1, kMinimumStepDelay);
 
   auto& wifi = kPublicAddrs;
   auto& cellular = kAlternateAddrs;
@@ -2889,36 +2867,36 @@
   virtual_socket_server()->UpdateDelayDistribution();
 
   // Make the receiving timeout shorter for testing.
-  IceConfig config = CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+  IceConfig config = CreateIceConfig(1000, GATHER_CONTINUALLY);
   // Create channels and let them go writable, as usual.
   CreateChannels(env, config, config, true /* ice_renomination */);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(ep1_ch1(), ep2_ch1(),
                                                   wifiIpv6[0], wifiIpv6[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Blackhole any traffic to or from the wifi on endpoint 1.
   RTC_LOG(LS_INFO) << "Failing over...";
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, wifi[0]);
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, wifiIpv6[0]);
+  fw()->AddRule(false, FP_ANY, FD_ANY, wifi[0]);
+  fw()->AddRule(false, FP_ANY, FD_ANY, wifiIpv6[0]);
 
   // The selected connections may switch, so keep references to them.
   const Connection* selected_connection1 = ep1_ch1()->selected_connection();
   const Connection* selected_connection2 = ep2_ch1()->selected_connection();
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return !selected_connection1->receiving() &&
                    !selected_connection2->receiving();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Per-network best connections will be pinged at relatively higher rate when
   // the selected connection becomes not receiving.
@@ -2928,11 +2906,11 @@
   int64_t last_ping_sent1 = per_network_best_connection1->last_ping_sent();
   int num_pings_sent1 = per_network_best_connection1->num_pings_sent();
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return per_network_best_connection1->num_pings_sent(); },
           Gt(num_pings_sent1),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   ASSERT_GT(per_network_best_connection1->num_pings_sent() - num_pings_sent1,
             0);
   int64_t ping_interval1 =
@@ -2946,14 +2924,14 @@
   // It should switch over to use the cellular IPv6 addr on endpoint 1 before
   // it timed out on writing.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(ep1_ch1(), ep2_ch1(),
                                                   cellularIpv6[0], wifiIpv6[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   DestroyChannels();
 }
@@ -2977,23 +2955,23 @@
   // We want it to set the remote ICE parameters when creating channels.
   set_remote_ice_parameter_source(FROM_SETICEPARAMETERS);
   // Make the receiving timeout shorter for testing.
-  IceConfig config = CreateIceConfig(1000, webrtc::GATHER_ONCE);
+  IceConfig config = CreateIceConfig(1000, GATHER_ONCE);
   // Create channels with ICE renomination and let them go writable as usual.
   CreateChannels(env, config, config, true);
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep2_ch1()->selected_connection()->remote_nomination() > 0 &&
                    ep1_ch1()->selected_connection()->acked_nomination() > 0;
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   const Connection* selected_connection1 = ep1_ch1()->selected_connection();
   Connection* selected_connection2 =
       const_cast<Connection*>(ep2_ch1()->selected_connection());
@@ -3006,23 +2984,22 @@
 
   // Blackhole any traffic to or from the public addrs.
   RTC_LOG(LS_INFO) << "Failing over...";
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, kPublicAddrs[0]);
+  fw()->AddRule(false, FP_ANY, FD_ANY, kPublicAddrs[0]);
 
   // The selected connection on the controlling side should switch.
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ep1_ch1()->selected_connection(); },
-          Ne(selected_connection1),
-          {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ep1_ch1()->selected_connection(); },
+                        Ne(selected_connection1),
+                        {.timeout = TimeDelta::Millis(kMediumTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   // The connection on the controlled side should be nominated again
   // and have an increased nomination.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep2_ch1()->selected_connection()->remote_nomination(); },
           Gt(remote_nomination2),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   DestroyChannels();
 }
@@ -3050,33 +3027,33 @@
   CreateChannels(env);
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(
                 ep1_ch1(), ep2_ch1(), kPublicAddrs[0], kPublicAddrs[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Make the receiving timeout shorter for testing.
-  IceConfig config = CreateIceConfig(1000, webrtc::GATHER_ONCE);
+  IceConfig config = CreateIceConfig(1000, GATHER_ONCE);
   ep1_ch1()->SetIceConfig(config);
   ep2_ch1()->SetIceConfig(config);
   reset_selected_candidate_pair_switches();
 
   // Blackhole any traffic to or from the public addrs.
   RTC_LOG(LS_INFO) << "Failing over...";
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, kPublicAddrs[1]);
+  fw()->AddRule(false, FP_ANY, FD_ANY, kPublicAddrs[1]);
 
   // The selected connections may switch, so keep references to them.
   const Connection* selected_connection1 = ep1_ch1()->selected_connection();
   // We should detect loss of receiving within 1 second or so.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return !selected_connection1->receiving(); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   // After a short while, the link recovers itself.
   SIMULATED_WAIT(false, 10, clock);
   fw()->ClearRules();
@@ -3084,14 +3061,14 @@
   // We should remain on the public address on both sides and no connection
   // switches should have happened.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()->selected_connection()->receiving() &&
                    ep2_ch1()->selected_connection()->receiving();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   EXPECT_TRUE(RemoteCandidate(ep1_ch1())->address().EqualIPs(kPublicAddrs[1]));
   EXPECT_TRUE(LocalCandidate(ep2_ch1())->address().EqualIPs(kPublicAddrs[1]));
   EXPECT_EQ(0, reset_selected_candidate_pair_switches());
@@ -3118,32 +3095,32 @@
   // Create channels and let them go writable, as usual.
   CreateChannels(env);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(
                 ep1_ch1(), ep2_ch1(), kPublicAddrs[0], kPublicAddrs[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Make the receiving timeout shorter for testing.
-  IceConfig config = CreateIceConfig(1000, webrtc::GATHER_ONCE);
+  IceConfig config = CreateIceConfig(1000, GATHER_ONCE);
   ep1_ch1()->SetIceConfig(config);
   ep2_ch1()->SetIceConfig(config);
   reset_selected_candidate_pair_switches();
 
   // Blackhole any traffic to or from the public addrs.
   RTC_LOG(LS_INFO) << "Failing over...";
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, kPublicAddrs[0]);
+  fw()->AddRule(false, FP_ANY, FD_ANY, kPublicAddrs[0]);
   // The selected connections may switch, so keep references to them.
   const Connection* selected_connection1 = ep1_ch1()->selected_connection();
   // We should detect loss of receiving within 1 second or so.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return !selected_connection1->receiving(); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   // The link recovers after a short while.
   SIMULATED_WAIT(false, 10, clock);
   fw()->ClearRules();
@@ -3151,14 +3128,14 @@
   // We should not switch to the alternate addr on both sides because of the
   // dampening.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(
                 ep1_ch1(), ep2_ch1(), kPublicAddrs[0], kPublicAddrs[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   EXPECT_EQ(0, reset_selected_candidate_pair_switches());
   DestroyChannels();
 }
@@ -3184,36 +3161,36 @@
   CreateChannels(env);
   // Make the receiving timeout shorter for testing.
   // Set the backup connection ping interval to 25s.
-  IceConfig config = CreateIceConfig(1000, webrtc::GATHER_ONCE, 25000);
+  IceConfig config = CreateIceConfig(1000, GATHER_ONCE, 25000);
   // Ping the best connection more frequently since we don't have traffic.
   config.stable_writable_connection_ping_interval = 900;
   ep1_ch1()->SetIceConfig(config);
   ep2_ch1()->SetIceConfig(config);
   // Need to wait to make sure the connections on both networks are writable.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(ep1_ch1(), ep2_ch1(), wifi[0],
                                                   wifi[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   Connection* backup_conn =
       GetConnectionWithLocalAddress(ep1_ch1(), cellular[0]);
   ASSERT_NE(nullptr, backup_conn);
   // After a short while, the backup connection will be writable but not
   // receiving because backup connection is pinged at a slower rate.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return backup_conn->writable() && !backup_conn->receiving(); },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   reset_selected_candidate_pair_switches();
   // Blackhole any traffic to or from the remote WiFi networks.
   RTC_LOG(LS_INFO) << "Failing over...";
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, wifi[1]);
+  fw()->AddRule(false, FP_ANY, FD_ANY, wifi[1]);
 
   int num_switches = 0;
   SIMULATED_WAIT((num_switches = reset_selected_candidate_pair_switches()) > 0,
@@ -3242,18 +3219,17 @@
   // Create channels and let them go writable, as usual.
   CreateChannels(env);
 
-  EXPECT_THAT(
-      webrtc::WaitUntil([&]() { return CheckConnected(ep1_ch1(), ep2_ch1()); },
+  EXPECT_THAT(WaitUntil([&]() { return CheckConnected(ep1_ch1(), ep2_ch1()); },
                         IsTrue()),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   // Need to wait to make sure the connections on both networks are writable.
-  EXPECT_THAT(webrtc::WaitUntil(
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return CheckCandidatePairAndConnected(ep1_ch1(), ep2_ch1(),
                                                           wifi[0], wifi[1]);
                   },
                   IsTrue()),
-              webrtc::IsRtcOk());
+              IsRtcOk());
   DestroyChannels();
 }
 
@@ -3277,13 +3253,13 @@
   // Create channels and let them go writable, as usual.
   CreateChannels(env);
 
-  EXPECT_THAT(webrtc::WaitUntil(
+  EXPECT_THAT(WaitUntil(
                   [&]() {
                     return CheckCandidatePairAndConnected(ep1_ch1(), ep2_ch1(),
                                                           cellular[0], wifi[1]);
                   },
                   IsTrue()),
-              webrtc::IsRtcOk());
+              IsRtcOk());
   DestroyChannels();
 }
 
@@ -3305,30 +3281,28 @@
   // Create channels and let them go writable, as usual.
   CreateChannels(env);
   EXPECT_THAT(
-      webrtc::WaitUntil([&] { return CheckConnected(ep1_ch1(), ep2_ch1()); },
-                        IsTrue()),
-      webrtc::IsRtcOk());
+      WaitUntil([&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue()),
+      IsRtcOk());
   int backup_ping_interval = 2000;
   ep2_ch1()->SetIceConfig(
-      CreateIceConfig(2000, webrtc::GATHER_ONCE, backup_ping_interval));
+      CreateIceConfig(2000, GATHER_ONCE, backup_ping_interval));
   // After the state becomes COMPLETED, the backup connection will be pinged
   // once every `backup_ping_interval` milliseconds.
-  ASSERT_THAT(webrtc::WaitUntil([&] { return ep2_ch1()->GetState(); },
-                                Eq(IceTransportStateInternal::STATE_COMPLETED)),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ep2_ch1()->GetState(); },
+                        Eq(IceTransportStateInternal::STATE_COMPLETED)),
+              IsRtcOk());
   auto connections = ep2_ch1()->connections();
   ASSERT_EQ(2U, connections.size());
   Connection* backup_conn = GetBackupConnection(ep2_ch1());
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return backup_conn->writable(); }, IsTrue(),
+  EXPECT_THAT(WaitUntil([&] { return backup_conn->writable(); }, IsTrue(),
                         {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   int64_t last_ping_response_ms = backup_conn->last_ping_response_received();
-  EXPECT_THAT(webrtc::WaitUntil(
-                  [&] { return backup_conn->last_ping_response_received(); },
-                  Gt(last_ping_response_ms),
-                  {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return backup_conn->last_ping_response_received(); },
+                Gt(last_ping_response_ms),
+                {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
+      IsRtcOk());
   int time_elapsed =
       backup_conn->last_ping_response_received() - last_ping_response_ms;
   RTC_LOG(LS_INFO) << "Time elapsed: " << time_elapsed;
@@ -3355,35 +3329,33 @@
   // Create channels and let them go writable, as usual.
   CreateChannels(env);
   EXPECT_THAT(
-      webrtc::WaitUntil([&] { return CheckConnected(ep1_ch1(), ep2_ch1()); },
-                        IsTrue()),
-      webrtc::IsRtcOk());
+      WaitUntil([&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue()),
+      IsRtcOk());
   // Set a value larger than the default value of 2500 ms
   int ping_interval_ms = 3456;
-  IceConfig config = CreateIceConfig(2 * ping_interval_ms, webrtc::GATHER_ONCE);
+  IceConfig config = CreateIceConfig(2 * ping_interval_ms, GATHER_ONCE);
   config.stable_writable_connection_ping_interval = ping_interval_ms;
   ep2_ch1()->SetIceConfig(config);
   // After the state becomes COMPLETED and is stable and writable, the
   // connection will be pinged once every `ping_interval_ms` milliseconds.
-  ASSERT_THAT(webrtc::WaitUntil([&] { return ep2_ch1()->GetState(); },
-                                Eq(IceTransportStateInternal::STATE_COMPLETED)),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ep2_ch1()->GetState(); },
+                        Eq(IceTransportStateInternal::STATE_COMPLETED)),
+              IsRtcOk());
   auto connections = ep2_ch1()->connections();
   ASSERT_EQ(2U, connections.size());
   Connection* conn = GetBestConnection(ep2_ch1());
-  EXPECT_THAT(webrtc::WaitUntil([&] { return conn->writable(); }, IsTrue(),
-                                {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return conn->writable(); }, IsTrue(),
+                        {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+              IsRtcOk());
 
   int64_t last_ping_response_ms;
   // Burn through some pings so the connection is stable.
   for (int i = 0; i < 5; i++) {
     last_ping_response_ms = conn->last_ping_response_received();
-    EXPECT_THAT(
-        webrtc::WaitUntil([&] { return conn->last_ping_response_received(); },
+    EXPECT_THAT(WaitUntil([&] { return conn->last_ping_response_received(); },
                           Gt(last_ping_response_ms),
                           {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-        webrtc::IsRtcOk());
+                IsRtcOk());
   }
   EXPECT_TRUE(conn->stable(last_ping_response_ms)) << "Connection not stable";
   int time_elapsed =
@@ -3405,16 +3377,16 @@
   CreateChannels(env);
 
   // Both transport channels will reach STATE_COMPLETED quickly.
-  EXPECT_THAT(webrtc::WaitUntil([&] { return ep1_ch1()->GetState(); },
-                                Eq(IceTransportStateInternal::STATE_COMPLETED),
-                                {.timeout = TimeDelta::Millis(kShortTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
-  EXPECT_THAT(webrtc::WaitUntil([&] { return ep2_ch1()->GetState(); },
-                                Eq(IceTransportStateInternal::STATE_COMPLETED),
-                                {.timeout = TimeDelta::Millis(kShortTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return ep1_ch1()->GetState(); },
+                Eq(IceTransportStateInternal::STATE_COMPLETED),
+                {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
+      IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return ep2_ch1()->GetState(); },
+                Eq(IceTransportStateInternal::STATE_COMPLETED),
+                {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
+      IsRtcOk());
   DestroyChannels();
 }
 
@@ -3429,17 +3401,17 @@
   AddAddress(0, kPublicAddrs[0]);
   AddAddress(1, kPublicAddrs[1]);
   // Create channels and let them go writable, as usual.
-  IceConfig ep1_config = CreateIceConfig(2000, webrtc::GATHER_CONTINUALLY);
-  IceConfig ep2_config = CreateIceConfig(2000, webrtc::GATHER_ONCE);
+  IceConfig ep1_config = CreateIceConfig(2000, GATHER_CONTINUALLY);
+  IceConfig ep2_config = CreateIceConfig(2000, GATHER_ONCE);
   CreateChannels(env, ep1_config, ep2_config);
 
   SetAllocatorFlags(0, kOnlyLocalPorts);
   SetAllocatorFlags(1, kOnlyLocalPorts);
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   // More than one port has been created.
   EXPECT_LE(1U, ep1_ch1()->ports().size());
   // Endpoint 1 enabled continual gathering; the port will be removed
@@ -3447,10 +3419,9 @@
   RemoveAddress(0, kPublicAddrs[0]);
   EXPECT_TRUE(ep1_ch1()->ports().empty());
   // The remote candidates will be removed eventually.
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ep2_ch1()->remote_candidates().empty(); },
+  EXPECT_THAT(WaitUntil([&] { return ep2_ch1()->remote_candidates().empty(); },
                         IsTrue(), {.clock = &clock}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   size_t num_ports = ep2_ch1()->ports().size();
   EXPECT_LE(1U, num_ports);
@@ -3460,11 +3431,10 @@
   // other participant will not be removed.
   RemoveAddress(1, kPublicAddrs[1]);
 
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ep2_ch1()->ports().size(); }, Eq(0U),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ep2_ch1()->ports().size(); }, Eq(0U),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   SIMULATED_WAIT(ep1_ch1()->remote_candidates().empty(), 500, clock);
   EXPECT_EQ(num_remote_candidates, ep1_ch1()->remote_candidates().size());
 
@@ -3483,40 +3453,40 @@
   AddAddress(1, cellular[1], "test_cell1", ADAPTER_TYPE_CELLULAR);
   // Set continual gathering policy.
   IceConfig continual_gathering_config =
-      CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+      CreateIceConfig(1000, GATHER_CONTINUALLY);
   CreateChannels(env, continual_gathering_config, continual_gathering_config);
   SetAllocatorFlags(0, kOnlyLocalPorts);
   SetAllocatorFlags(1, kOnlyLocalPorts);
-  EXPECT_THAT(webrtc::WaitUntil(
-                  [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); },
-                  IsTrue(), {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
+                {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
+      IsRtcOk());
 
   // Add a new wifi interface on end point 2. We should expect a new connection
   // to be created and the new one will be the best connection.
   AddAddress(1, wifi[1], "test_wifi1", ADAPTER_TYPE_WIFI);
   const Connection* conn;
-  EXPECT_THAT(webrtc::WaitUntil(
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return (conn = ep1_ch1()->selected_connection()) !=
                                nullptr &&
                            HasRemoteAddress(conn, wifi[1]);
                   },
                   IsTrue(), {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-              webrtc::IsRtcOk());
-  EXPECT_THAT(webrtc::WaitUntil(
+              IsRtcOk());
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return (conn = ep2_ch1()->selected_connection()) !=
                                nullptr &&
                            HasLocalAddress(conn, wifi[1]);
                   },
                   IsTrue(), {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Add a new cellular interface on end point 1, we should expect a new
   // backup connection created using this new interface.
   AddAddress(0, cellular[0], "test_cellular0", ADAPTER_TYPE_CELLULAR);
-  EXPECT_THAT(webrtc::WaitUntil(
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return ep1_ch1()->GetState() ==
                                IceTransportStateInternal::STATE_COMPLETED &&
@@ -3531,8 +3501,8 @@
                                });
                   },
                   IsTrue(), {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-              webrtc::IsRtcOk());
-  EXPECT_THAT(webrtc::WaitUntil(
+              IsRtcOk());
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return ep2_ch1()->GetState() ==
                                IceTransportStateInternal::STATE_COMPLETED &&
@@ -3547,7 +3517,7 @@
                                });
                   },
                   IsTrue(), {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
 
   DestroyChannels();
 }
@@ -3566,18 +3536,18 @@
 
   // Set continual gathering policy.
   IceConfig continual_gathering_config =
-      CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+      CreateIceConfig(1000, GATHER_CONTINUALLY);
   // Create channels and let them go writable, as usual.
   CreateChannels(env, continual_gathering_config, continual_gathering_config);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(
                 ep1_ch1(), ep2_ch1(), kPublicAddrs[0], kPublicAddrs[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Add the new address first and then remove the other one.
   RTC_LOG(LS_INFO) << "Draining...";
@@ -3585,28 +3555,28 @@
   RemoveAddress(1, kPublicAddrs[1]);
   // We should switch to use the alternate address after an exchange of pings.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(
                 ep1_ch1(), ep2_ch1(), kPublicAddrs[0], kAlternateAddrs[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Remove one address first and then add another address.
   RTC_LOG(LS_INFO) << "Draining again...";
   RemoveAddress(1, kAlternateAddrs[1]);
   AddAddress(1, kAlternateAddrs[0]);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(
                 ep1_ch1(), ep2_ch1(), kPublicAddrs[0], kAlternateAddrs[0]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   DestroyChannels();
 }
@@ -3627,31 +3597,31 @@
   SetAllocatorFlags(1, kOnlyLocalPorts);
 
   // Create channels and let them go writable, as usual.
-  IceConfig config = CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+  IceConfig config = CreateIceConfig(1000, GATHER_CONTINUALLY);
   config.regather_on_failed_networks_interval = 2000;
   CreateChannels(env, config, config);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckCandidatePairAndConnected(ep1_ch1(), ep2_ch1(), wifi[0],
                                                   wifi[1]);
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Destroy all backup connections.
   DestroyAllButBestConnection(ep1_ch1());
   // Ensure the backup connection is removed first.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return GetConnectionWithLocalAddress(ep1_ch1(), cellular[0]); },
           Eq(nullptr),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   const Connection* conn;
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return (conn = GetConnectionWithLocalAddress(
                         ep1_ch1(), cellular[0])) != nullptr &&
@@ -3659,7 +3629,7 @@
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   DestroyChannels();
 }
@@ -3675,14 +3645,14 @@
   IceConfig config;
   CreateChannels(env, config, config, false);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckConnected(ep1_ch1(), ep2_ch1()) &&
                    !ep1_ch1()->selected_connection()->network()->IsVpn();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 }
 
 TEST_F(P2PTransportChannelMultihomedTest, TestVpnPreferVpn) {
@@ -3699,28 +3669,28 @@
   RTC_LOG(LS_INFO) << "KESO: config.vpn_preference: " << config.vpn_preference;
   CreateChannels(env, config, config, false);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckConnected(ep1_ch1(), ep2_ch1()) &&
                    ep1_ch1()->selected_connection()->network()->IsVpn();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Block VPN.
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, kAlternateAddrs[0]);
+  fw()->AddRule(false, FP_ANY, FD_ANY, kAlternateAddrs[0]);
 
   // Check that it switches to non-VPN
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckConnected(ep1_ch1(), ep2_ch1()) &&
                    !ep1_ch1()->selected_connection()->network()->IsVpn();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 }
 
 TEST_F(P2PTransportChannelMultihomedTest, TestVpnAvoidVpn) {
@@ -3736,28 +3706,28 @@
   config.vpn_preference = VpnPreference::kAvoidVpn;
   CreateChannels(env, config, config, false);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckConnected(ep1_ch1(), ep2_ch1()) &&
                    !ep1_ch1()->selected_connection()->network()->IsVpn();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Block non-VPN.
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, kPublicAddrs[0]);
+  fw()->AddRule(false, FP_ANY, FD_ANY, kPublicAddrs[0]);
 
   // Check that it switches to VPN
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckConnected(ep1_ch1(), ep2_ch1()) &&
                    ep1_ch1()->selected_connection()->network()->IsVpn();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 }
 
 TEST_F(P2PTransportChannelMultihomedTest, TestVpnNeverVpn) {
@@ -3773,25 +3743,25 @@
   config.vpn_preference = VpnPreference::kNeverUseVpn;
   CreateChannels(env, config, config, false);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckConnected(ep1_ch1(), ep2_ch1()) &&
                    !ep1_ch1()->selected_connection()->network()->IsVpn();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Block non-VPN.
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, kPublicAddrs[0]);
+  fw()->AddRule(false, FP_ANY, FD_ANY, kPublicAddrs[0]);
 
   // Check that it does not switches to VPN
   clock.AdvanceTime(TimeDelta::Millis(kDefaultTimeout));
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return !CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 }
 
 TEST_F(P2PTransportChannelMultihomedTest, TestVpnOnlyVpn) {
@@ -3807,25 +3777,25 @@
   config.vpn_preference = VpnPreference::kOnlyUseVpn;
   CreateChannels(env, config, config, false);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return CheckConnected(ep1_ch1(), ep2_ch1()) &&
                    ep1_ch1()->selected_connection()->network()->IsVpn();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Block VPN.
-  fw()->AddRule(false, webrtc::FP_ANY, webrtc::FD_ANY, kAlternateAddrs[0]);
+  fw()->AddRule(false, FP_ANY, FD_ANY, kAlternateAddrs[0]);
 
   // Check that it does not switch to non-VPN
   clock.AdvanceTime(TimeDelta::Millis(kDefaultTimeout));
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return !CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 }
 
 TEST_F(P2PTransportChannelMultihomedTest, StunDictionaryPerformsSync) {
@@ -3841,7 +3811,7 @@
   CreateChannels(env);
 
   MockFunction<void(IceTransportInternal*, const StunDictionaryView&,
-                    webrtc::ArrayView<uint16_t>)>
+                    ArrayView<uint16_t>)>
       view_updated_func;
   ep2_ch1()->AddDictionaryViewUpdatedCallback(
       "tag", view_updated_func.AsStdFunction());
@@ -3859,10 +3829,10 @@
       });
   EXPECT_CALL(writer_synced_func, Call).Times(1);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 }
 
 // A collection of tests which tests a single P2PTransportChannel by sending
@@ -3878,7 +3848,7 @@
 
  protected:
   void PrepareChannel(P2PTransportChannel* ch) {
-    ch->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+    ch->SetIceRole(ICEROLE_CONTROLLING);
     ch->SetIceParameters(kIceParams[0]);
     ch->SetRemoteIceParameters(kIceParams[1]);
     ch->SignalNetworkRouteChanged.connect(
@@ -3898,17 +3868,16 @@
                                   int port_num,
                                   ThreadProcessingFakeClock* clock = nullptr) {
     if (clock == nullptr) {
-      EXPECT_THAT(
-          webrtc::WaitUntil([&] { return GetConnectionTo(ch, ip, port_num); },
+      EXPECT_THAT(WaitUntil([&] { return GetConnectionTo(ch, ip, port_num); },
                             Ne(nullptr),
                             {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-          webrtc::IsRtcOk());
+                  IsRtcOk());
     } else {
       EXPECT_THAT(
-          webrtc::WaitUntil(
+          WaitUntil(
               [&] { return GetConnectionTo(ch, ip, port_num); }, Ne(nullptr),
               {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &*clock}),
-          webrtc::IsRtcOk());
+          IsRtcOk());
     }
     return GetConnectionTo(ch, ip, port_num);
   }
@@ -3963,11 +3932,11 @@
     channel->AddRemoteCandidate(
         CreateUdpCandidate(IceCandidateType::kHost, ip_addr, port, priority));
     EXPECT_THAT(
-        webrtc::WaitUntil(
+        WaitUntil(
             [&] { return GetConnectionTo(channel, ip_addr, port); },
             Ne(nullptr),
             {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &*clock}),
-        webrtc::IsRtcOk());
+        IsRtcOk());
     Connection* conn = GetConnectionTo(channel, ip_addr, port);
 
     if (conn && writable) {
@@ -4014,8 +3983,7 @@
     ByteBufferWriter buf;
     msg.Write(&buf);
     conn->OnReadPacket(ReceivedIpPacket::CreateFromLegacy(
-        reinterpret_cast<const char*>(buf.Data()), buf.Length(),
-        webrtc::TimeMicros()));
+        reinterpret_cast<const char*>(buf.Data()), buf.Length(), TimeMicros()));
   }
 
   void ReceivePingOnConnection(Connection* conn,
@@ -4149,13 +4117,13 @@
   // is not pruned.
   conn1->ReceivedPingResponse(LOW_RTT, "id");
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return conn1->num_pings_sent() >= MIN_PINGS_AT_WEAK_PING_INTERVAL &&
                    conn2->num_pings_sent() >= MIN_PINGS_AT_WEAK_PING_INTERVAL;
           },
           IsTrue(), {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 }
 
 // Verify that the connections are pinged at the right time.
@@ -4183,7 +4151,7 @@
   SIMULATED_WAIT(conn->num_pings_sent() >= MIN_PINGS_AT_WEAK_PING_INTERVAL,
                  kDefaultTimeout, clock);
   int64_t ping_interval_ms = (clock.TimeNanos() - start) /
-                             webrtc::kNumNanosecsPerMillisec /
+                             kNumNanosecsPerMillisec /
                              (MIN_PINGS_AT_WEAK_PING_INTERVAL - 1);
   EXPECT_EQ(ping_interval_ms, WEAK_PING_INTERVAL);
 
@@ -4196,8 +4164,7 @@
   // to converge the RTT.
   SIMULATED_WAIT(conn->num_pings_sent() == ping_sent_before + 1, kMediumTimeout,
                  clock);
-  ping_interval_ms =
-      (clock.TimeNanos() - start) / webrtc::kNumNanosecsPerMillisec;
+  ping_interval_ms = (clock.TimeNanos() - start) / kNumNanosecsPerMillisec;
   EXPECT_GE(ping_interval_ms,
             WEAK_OR_STABILIZING_WRITABLE_CONNECTION_PING_INTERVAL);
   EXPECT_LE(
@@ -4215,8 +4182,7 @@
   start = clock.TimeNanos();
   SIMULATED_WAIT(conn->num_pings_sent() == ping_sent_before + 1, kMediumTimeout,
                  clock);
-  ping_interval_ms =
-      (clock.TimeNanos() - start) / webrtc::kNumNanosecsPerMillisec;
+  ping_interval_ms = (clock.TimeNanos() - start) / kNumNanosecsPerMillisec;
   EXPECT_GE(ping_interval_ms,
             STRONG_AND_STABLE_WRITABLE_CONNECTION_PING_INTERVAL);
   EXPECT_LE(
@@ -4227,14 +4193,12 @@
 
   conn->ReceivedPingResponse(LOW_RTT, "id");
   // Create a in-flight ping.
-  conn->Ping(clock.TimeNanos() / webrtc::kNumNanosecsPerMillisec);
+  conn->Ping(clock.TimeNanos() / kNumNanosecsPerMillisec);
   start = clock.TimeNanos();
   // In-flight ping timeout and the connection will be unstable.
-  SIMULATED_WAIT(
-      !conn->stable(clock.TimeNanos() / webrtc::kNumNanosecsPerMillisec),
-      kMediumTimeout, clock);
-  int64_t duration_ms =
-      (clock.TimeNanos() - start) / webrtc::kNumNanosecsPerMillisec;
+  SIMULATED_WAIT(!conn->stable(clock.TimeNanos() / kNumNanosecsPerMillisec),
+                 kMediumTimeout, clock);
+  int64_t duration_ms = (clock.TimeNanos() - start) / kNumNanosecsPerMillisec;
   EXPECT_GE(duration_ms, 2 * conn->rtt() - RTT_RANGE);
   EXPECT_LE(duration_ms, 2 * conn->rtt() + RTT_RANGE);
   // The connection become unstable due to not receiving ping responses.
@@ -4247,8 +4211,7 @@
   ping_sent_before = conn->num_pings_sent();
   SIMULATED_WAIT(conn->num_pings_sent() == ping_sent_before + 1, kMediumTimeout,
                  clock);
-  ping_interval_ms =
-      (clock.TimeNanos() - start) / webrtc::kNumNanosecsPerMillisec;
+  ping_interval_ms = (clock.TimeNanos() - start) / kNumNanosecsPerMillisec;
   EXPECT_GE(ping_interval_ms,
             WEAK_OR_STABILIZING_WRITABLE_CONNECTION_PING_INTERVAL);
   EXPECT_LE(
@@ -4264,14 +4227,13 @@
 
   FakePortAllocator pa(env, ss());
   P2PTransportChannel ch("TestChannel", 1, &pa, &env.field_trials());
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  ch.SetIceRole(ICEROLE_CONTROLLING);
   ch.SetIceParameters(kIceParams[0]);
   ch.MaybeStartGathering();
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.gathering_state(); },
+  EXPECT_THAT(WaitUntil([&] { return ch.gathering_state(); },
                         Eq(IceGatheringState::kIceGatheringComplete),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Simulate a binding request being received, creating a peer reflexive
   // candidate pair while we still don't have remote ICE parameters.
@@ -4283,8 +4245,8 @@
                                                              prflx_priority));
   Port* port = GetPort(&ch);
   ASSERT_NE(nullptr, port);
-  port->SignalUnknownAddress(port, SocketAddress("1.1.1.1", 1),
-                             webrtc::PROTO_UDP, &request, kIceUfrag[1], false);
+  port->SignalUnknownAddress(port, SocketAddress("1.1.1.1", 1), PROTO_UDP,
+                             &request, kIceUfrag[1], false);
   Connection* conn = GetConnectionTo(&ch, "1.1.1.1", 1);
   ASSERT_NE(nullptr, conn);
 
@@ -4297,9 +4259,9 @@
   // the first ping is sent as soon as possible, within one simulated clock
   // tick.
   ch.SetRemoteIceParameters(kIceParams[1]);
-  EXPECT_THAT(webrtc::WaitUntil([&] { return conn->num_pings_sent(); }, Gt(0),
-                                {.clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return conn->num_pings_sent(); }, Gt(0),
+                        {.clock = &clock}),
+              IsRtcOk());
 }
 
 TEST_F(P2PTransportChannelPingTest, TestNoTriggeredChecksWhenWritable) {
@@ -4363,11 +4325,10 @@
   // Pruning the connection reduces the set of active connections and changes
   // the channel state.
   conn1->Prune();
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return channel_state(); },
+  EXPECT_THAT(WaitUntil([&] { return channel_state(); },
                         Eq(IceTransportStateInternal::STATE_FAILED),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 }
 
 // Test adding remote candidates with different ufrags. If a remote candidate
@@ -4411,10 +4372,10 @@
   ch.AddRemoteCandidate(CreateUdpCandidate(IceCandidateType::kHost, "3.3.3.3",
                                            3, 0, kIceUfrag[2]));
   Connection* conn3 = nullptr;
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return conn3 = GetConnectionTo(&ch, "3.3.3.3", 3); },
-                  Ne(nullptr), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return conn3 = GetConnectionTo(&ch, "3.3.3.3", 3); },
+                Ne(nullptr), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
   const Candidate& new_candidate = conn3->remote_candidate();
   EXPECT_EQ(kIcePwd[2], new_candidate.password());
   EXPECT_EQ(1U, new_candidate.generation());
@@ -4456,16 +4417,15 @@
   conn2->ReceivedPingResponse(LOW_RTT, "id");
 
   // Wait for conn2 to be selected.
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn2),
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn2),
                         {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   // Destroy the connection to test SignalUnknownAddress.
   ch.RemoveConnectionForTest(conn1);
-  EXPECT_THAT(webrtc::WaitUntil(
-                  [&] { return GetConnectionTo(&ch, "1.1.1.1", 1); },
-                  Eq(nullptr), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return GetConnectionTo(&ch, "1.1.1.1", 1); }, Eq(nullptr),
+                {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
 
   // Create a minimal STUN message with prflx priority.
   IceMessage request(STUN_BINDING_REQUEST);
@@ -4478,15 +4438,15 @@
 
   Port* port = GetPort(&ch);
   // conn1 should be resurrected with original priority.
-  port->SignalUnknownAddress(port, SocketAddress("1.1.1.1", 1),
-                             webrtc::PROTO_UDP, &request, kIceUfrag[1], false);
+  port->SignalUnknownAddress(port, SocketAddress("1.1.1.1", 1), PROTO_UDP,
+                             &request, kIceUfrag[1], false);
   conn1 = WaitForConnectionTo(&ch, "1.1.1.1", 1);
   ASSERT_TRUE(conn1 != nullptr);
   EXPECT_EQ(conn1->remote_candidate().priority(), remote_priority);
 
   // conn3, a real prflx connection, should have prflx priority.
-  port->SignalUnknownAddress(port, SocketAddress("3.3.3.3", 1),
-                             webrtc::PROTO_UDP, &request, kIceUfrag[1], false);
+  port->SignalUnknownAddress(port, SocketAddress("3.3.3.3", 1), PROTO_UDP,
+                             &request, kIceUfrag[1], false);
   Connection* conn3 = WaitForConnectionTo(&ch, "3.3.3.3", 1);
   ASSERT_TRUE(conn3 != nullptr);
   EXPECT_EQ(conn3->remote_candidate().priority(), prflx_priority);
@@ -4502,7 +4462,7 @@
   // small.
   EXPECT_LE(1000, ch.config().receiving_timeout_or_default());
   EXPECT_LE(200, ch.check_receiving_interval());
-  ch.SetIceConfig(CreateIceConfig(500, webrtc::GATHER_ONCE));
+  ch.SetIceConfig(CreateIceConfig(500, GATHER_ONCE));
   EXPECT_EQ(500, ch.config().receiving_timeout_or_default());
   EXPECT_EQ(50, ch.check_receiving_interval());
   ch.MaybeStartGathering();
@@ -4514,16 +4474,16 @@
   clock.AdvanceTime(TimeDelta::Seconds(1));
   conn1->ReceivedPing();
   conn1->OnReadPacket(
-      ReceivedIpPacket::CreateFromLegacy("ABC", 3, webrtc::TimeMicros()));
+      ReceivedIpPacket::CreateFromLegacy("ABC", 3, TimeMicros()));
 
-  EXPECT_THAT(webrtc::WaitUntil([&] { return ch.receiving(); }, IsTrue(),
-                                {.timeout = TimeDelta::Millis(kShortTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
-  EXPECT_THAT(webrtc::WaitUntil([&] { return !ch.receiving(); }, IsTrue(),
-                                {.timeout = TimeDelta::Millis(kShortTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return ch.receiving(); }, IsTrue(),
+                {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
+      IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return !ch.receiving(); }, IsTrue(),
+                {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
+      IsRtcOk());
 }
 
 // The controlled side will select a connection as the "selected connection"
@@ -4537,7 +4497,7 @@
   FakePortAllocator pa(env, ss());
   P2PTransportChannel ch("receiving state change", 1, &pa, &env.field_trials());
   PrepareChannel(&ch);
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ch.SetIceRole(ICEROLE_CONTROLLED);
   ch.MaybeStartGathering();
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kHost, "1.1.1.1", 1, 1));
@@ -4553,10 +4513,9 @@
 
   // A connection needs to be writable before it is selected for transmission.
   conn1->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn1));
   EXPECT_TRUE(ConnectionMatchesChangeEvent(
       conn1, "remote candidate generation maybe changed"));
@@ -4569,10 +4528,9 @@
   Connection* conn2 = WaitForConnectionTo(&ch, "2.2.2.2", 2);
   ASSERT_TRUE(conn2 != nullptr);
   conn2->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn2),
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn2),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn2));
   EXPECT_TRUE(
       ConnectionMatchesChangeEvent(conn2, "candidate pair state changed"));
@@ -4618,10 +4576,9 @@
   reset_channel_ready_to_send();
   // The selected connection switches after conn4 becomes writable.
   conn4->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn4),
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn4),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn4));
   EXPECT_TRUE(
       ConnectionMatchesChangeEvent(conn4, "candidate pair state changed"));
@@ -4640,7 +4597,7 @@
   P2PTransportChannel ch("receiving state change", 1, &pa, &env.field_trials());
   PrepareChannel(&ch);
   ch.SetIceConfig(ch.config());
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ch.SetIceRole(ICEROLE_CONTROLLED);
   ch.MaybeStartGathering();
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kHost, "1.1.1.1", 1, 1));
@@ -4649,10 +4606,9 @@
 
   // A connection needs to be writable before it is selected for transmission.
   conn1->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn1));
 
   // When a higher priority candidate comes in, the new connection is chosen
@@ -4662,10 +4618,9 @@
   Connection* conn2 = WaitForConnectionTo(&ch, "2.2.2.2", 2);
   ASSERT_TRUE(conn2 != nullptr);
   conn2->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn2),
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn2),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn2));
 
   // Now nominate conn1 (low prio), it shall be choosen.
@@ -4688,7 +4643,7 @@
   P2PTransportChannel ch("receiving state change", 1, &pa, &env.field_trials());
   PrepareChannel(&ch);
   ch.SetIceConfig(ch.config());
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  ch.SetIceRole(ICEROLE_CONTROLLING);
   ch.MaybeStartGathering();
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kHost, "1.1.1.1", 1, 1));
@@ -4697,10 +4652,9 @@
 
   // A connection needs to be writable before it is selected for transmission.
   conn1->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn1));
 
   // When a higher priority candidate comes in, the new connection is chosen
@@ -4713,10 +4667,9 @@
   const int before = conn2->num_pings_sent();
 
   conn2->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn2),
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn2),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn2));
 
   // And the additional ping should have been sent directly.
@@ -4733,7 +4686,7 @@
   P2PTransportChannel ch("receiving state change", 1, &pa, &env.field_trials());
   PrepareChannel(&ch);
   ch.SetIceConfig(ch.config());
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  ch.SetIceRole(ICEROLE_CONTROLLING);
   ch.MaybeStartGathering();
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kHost, "1.1.1.1", 1, 1));
@@ -4744,10 +4697,9 @@
 
   // A connection needs to be writable before it is selected for transmission.
   conn1->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn1));
 
   // And the additional ping should have been sent directly.
@@ -4765,7 +4717,7 @@
   FakePortAllocator pa(env, ss());
   P2PTransportChannel ch("receiving state change", 1, &pa, &env.field_trials());
   PrepareChannel(&ch);
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ch.SetIceRole(ICEROLE_CONTROLLED);
   ch.MaybeStartGathering();
   // A minimal STUN message with prflx priority.
   IceMessage request(STUN_BINDING_REQUEST);
@@ -4775,17 +4727,16 @@
   request.AddAttribute(std::make_unique<StunUInt32Attribute>(STUN_ATTR_PRIORITY,
                                                              prflx_priority));
   TestUDPPort* port = static_cast<TestUDPPort*>(GetPort(&ch));
-  port->SignalUnknownAddress(port, SocketAddress("1.1.1.1", 1),
-                             webrtc::PROTO_UDP, &request, kIceUfrag[1], false);
+  port->SignalUnknownAddress(port, SocketAddress("1.1.1.1", 1), PROTO_UDP,
+                             &request, kIceUfrag[1], false);
   Connection* conn1 = WaitForConnectionTo(&ch, "1.1.1.1", 1);
   ASSERT_TRUE(conn1 != nullptr);
   EXPECT_EQ(conn1->stats().sent_ping_responses, 1u);
   EXPECT_NE(conn1, ch.selected_connection());
   conn1->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Another connection is nominated via use_candidate.
   ch.AddRemoteCandidate(
@@ -4803,8 +4754,8 @@
   // Another request with unknown address, it will not be set as the selected
   // connection because the selected connection was nominated by the controlling
   // side.
-  port->SignalUnknownAddress(port, SocketAddress("3.3.3.3", 3),
-                             webrtc::PROTO_UDP, &request, kIceUfrag[1], false);
+  port->SignalUnknownAddress(port, SocketAddress("3.3.3.3", 3), PROTO_UDP,
+                             &request, kIceUfrag[1], false);
   Connection* conn3 = WaitForConnectionTo(&ch, "3.3.3.3", 3);
   ASSERT_TRUE(conn3 != nullptr);
   EXPECT_EQ(conn3->stats().sent_ping_responses, 1u);
@@ -4815,26 +4766,25 @@
   // selected as the selected connection.
   request.AddAttribute(
       std::make_unique<StunByteStringAttribute>(STUN_ATTR_USE_CANDIDATE));
-  port->SignalUnknownAddress(port, SocketAddress("4.4.4.4", 4),
-                             webrtc::PROTO_UDP, &request, kIceUfrag[1], false);
+  port->SignalUnknownAddress(port, SocketAddress("4.4.4.4", 4), PROTO_UDP,
+                             &request, kIceUfrag[1], false);
   Connection* conn4 = WaitForConnectionTo(&ch, "4.4.4.4", 4);
   ASSERT_TRUE(conn4 != nullptr);
   EXPECT_EQ(conn4->stats().sent_ping_responses, 1u);
   // conn4 is not the selected connection yet because it is not writable.
   EXPECT_EQ(conn2, ch.selected_connection());
   conn4->ReceivedPingResponse(LOW_RTT, "id");  // Become writable.
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn4),
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn4),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Test that the request from an unknown address contains a ufrag from an old
   // generation.
   // port->set_sent_binding_response(false);
   ch.SetRemoteIceParameters(kIceParams[2]);
   ch.SetRemoteIceParameters(kIceParams[3]);
-  port->SignalUnknownAddress(port, SocketAddress("5.5.5.5", 5),
-                             webrtc::PROTO_UDP, &request, kIceUfrag[2], false);
+  port->SignalUnknownAddress(port, SocketAddress("5.5.5.5", 5), PROTO_UDP,
+                             &request, kIceUfrag[2], false);
   Connection* conn5 = WaitForConnectionTo(&ch, "5.5.5.5", 5);
   ASSERT_TRUE(conn5 != nullptr);
   EXPECT_EQ(conn5->stats().sent_ping_responses, 1u);
@@ -4850,17 +4800,16 @@
   FakePortAllocator pa(env, ss());
   P2PTransportChannel ch("receiving state change", 1, &pa, &env.field_trials());
   PrepareChannel(&ch);
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ch.SetIceRole(ICEROLE_CONTROLLED);
   ch.MaybeStartGathering();
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kHost, "1.1.1.1", 1, 10));
   Connection* conn1 = WaitForConnectionTo(&ch, "1.1.1.1", 1);
   ASSERT_TRUE(conn1 != nullptr);
   conn1->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // If a data packet is received on conn2, the selected connection should
   // switch to conn2 because the controlled side must mirror the media path
@@ -4871,7 +4820,7 @@
   ASSERT_TRUE(conn2 != nullptr);
   conn2->ReceivedPingResponse(LOW_RTT, "id");  // Become writable and receiving.
   conn2->OnReadPacket(
-      ReceivedIpPacket::CreateFromLegacy("ABC", 3, webrtc::TimeMicros()));
+      ReceivedIpPacket::CreateFromLegacy("ABC", 3, TimeMicros()));
   EXPECT_EQ(conn2, ch.selected_connection());
   conn2->ReceivedPingResponse(LOW_RTT, "id");  // Become writable.
 
@@ -4886,27 +4835,25 @@
   request.AddAttribute(
       std::make_unique<StunByteStringAttribute>(STUN_ATTR_USE_CANDIDATE));
   Port* port = GetPort(&ch);
-  port->SignalUnknownAddress(port, SocketAddress("3.3.3.3", 3),
-                             webrtc::PROTO_UDP, &request, kIceUfrag[1], false);
+  port->SignalUnknownAddress(port, SocketAddress("3.3.3.3", 3), PROTO_UDP,
+                             &request, kIceUfrag[1], false);
   Connection* conn3 = WaitForConnectionTo(&ch, "3.3.3.3", 3);
   ASSERT_TRUE(conn3 != nullptr);
   EXPECT_NE(conn3, ch.selected_connection());  // Not writable yet.
   conn3->ReceivedPingResponse(LOW_RTT, "id");  // Become writable.
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn3),
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn3),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Now another data packet will not switch the selected connection because the
   // selected connection was nominated by the controlling side.
   conn2->ReceivedPing();
   conn2->ReceivedPingResponse(LOW_RTT, "id");
   conn2->OnReadPacket(
-      ReceivedIpPacket::CreateFromLegacy("XYZ", 3, webrtc::TimeMicros()));
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.selected_connection(); }, Eq(conn3),
+      ReceivedIpPacket::CreateFromLegacy("XYZ", 3, TimeMicros()));
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn3),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 }
 
 TEST_F(P2PTransportChannelPingTest,
@@ -4918,7 +4865,7 @@
   P2PTransportChannel ch("SwitchSelectedConnection", 1, &pa,
                          &env.field_trials());
   PrepareChannel(&ch);
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ch.SetIceRole(ICEROLE_CONTROLLED);
   ch.MaybeStartGathering();
   // The connections have decreasing priority.
   Connection* conn1 =
@@ -4938,13 +4885,13 @@
   SIMULATED_WAIT(false, 1, clock);
 
   conn2->OnReadPacket(
-      ReceivedIpPacket::CreateFromLegacy("XYZ", 3, webrtc::TimeMicros()));
+      ReceivedIpPacket::CreateFromLegacy("XYZ", 3, TimeMicros()));
   EXPECT_EQ(1, reset_selected_candidate_pair_switches());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn2));
 
   // conn1 also receives data; it becomes selected due to priority again.
   conn1->OnReadPacket(
-      ReceivedIpPacket::CreateFromLegacy("ABC", 3, webrtc::TimeMicros()));
+      ReceivedIpPacket::CreateFromLegacy("ABC", 3, TimeMicros()));
   EXPECT_EQ(1, reset_selected_candidate_pair_switches());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn2));
 
@@ -4954,7 +4901,7 @@
   // Need to become writable again because it was pruned.
   conn2->ReceivedPingResponse(LOW_RTT, "id");
   conn2->OnReadPacket(
-      ReceivedIpPacket::CreateFromLegacy("ABC", 3, webrtc::TimeMicros()));
+      ReceivedIpPacket::CreateFromLegacy("ABC", 3, TimeMicros()));
   EXPECT_EQ(1, reset_selected_candidate_pair_switches());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn2));
 
@@ -4973,7 +4920,7 @@
   P2PTransportChannel ch("SwitchSelectedConnection", 1, &pa,
                          &env.field_trials());
   PrepareChannel(&ch);
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ch.SetIceRole(ICEROLE_CONTROLLED);
   ch.MaybeStartGathering();
   // The connections have decreasing priority.
   Connection* conn1 =
@@ -4988,7 +4935,7 @@
   SIMULATED_WAIT(false, 1, clock);
 
   conn1->OnReadPacket(
-      ReceivedIpPacket::CreateFromLegacy("XYZ", 3, webrtc::TimeMicros()));
+      ReceivedIpPacket::CreateFromLegacy("XYZ", 3, TimeMicros()));
   EXPECT_EQ(1, reset_selected_candidate_pair_switches());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn1));
 
@@ -5016,7 +4963,7 @@
   FakePortAllocator pa(env, ss());
   P2PTransportChannel ch("test", 1, &pa, &env.field_trials());
   PrepareChannel(&ch);
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ch.SetIceRole(ICEROLE_CONTROLLED);
   ch.MaybeStartGathering();
   // The connections have decreasing priority.
   Connection* conn1 =
@@ -5027,11 +4974,10 @@
   ASSERT_TRUE(conn2 != nullptr);
 
   // conn1 is the selected connection because it has a higher priority,
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ch.selected_connection(); }, Eq(conn1),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn1));
   reset_selected_candidate_pair_switches();
 
@@ -5066,7 +5012,7 @@
   FakePortAllocator pa(env, ss());
   P2PTransportChannel ch("test", 1, &pa, &env.field_trials());
   PrepareChannel(&ch);
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ch.SetIceRole(ICEROLE_CONTROLLED);
   ch.MaybeStartGathering();
   // The connections have decreasing priority.
   Connection* conn1 =
@@ -5079,11 +5025,10 @@
   ASSERT_TRUE(conn2 != nullptr);
 
   // conn1 is the selected connection because it has a higher priority,
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ch.selected_connection(); }, Eq(conn1),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn1));
   // No estimateded disconnect time at first connect <=> value is 0.
   EXPECT_EQ(LastEstimatedDisconnectedTimeMs(), 0);
@@ -5095,7 +5040,7 @@
     clock.AdvanceTime(TimeDelta::Seconds(1));
     // This will not parse as STUN, and is considered data
     conn1->OnReadPacket(
-        ReceivedIpPacket::CreateFromLegacy("XYZ", 3, webrtc::TimeMicros()));
+        ReceivedIpPacket::CreateFromLegacy("XYZ", 3, TimeMicros()));
     clock.AdvanceTime(TimeDelta::Seconds(2));
 
     // conn2 is nominated; it becomes selected.
@@ -5108,7 +5053,7 @@
   {
     clock.AdvanceTime(TimeDelta::Seconds(1));
     conn2->OnReadPacket(
-        ReceivedIpPacket::CreateFromLegacy("XYZ", 3, webrtc::TimeMicros()));
+        ReceivedIpPacket::CreateFromLegacy("XYZ", 3, TimeMicros()));
     clock.AdvanceTime(TimeDelta::Seconds(2));
     ReceivePingOnConnection(conn2, kIceUfrag[1], 1, nomination++);
 
@@ -5130,7 +5075,7 @@
   FakePortAllocator pa(env, ss());
   P2PTransportChannel ch("test", 1, &pa, &env.field_trials());
   PrepareChannel(&ch);
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ch.SetIceRole(ICEROLE_CONTROLLED);
   ch.MaybeStartGathering();
   Connection* conn =
       CreateConnectionWithCandidate(&ch, &clock, "1.1.1.1", 1, 10, false);
@@ -5150,7 +5095,7 @@
   P2PTransportChannel ch("SwitchSelectedConnection", 1, &pa,
                          &env.field_trials());
   PrepareChannel(&ch);
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ch.SetIceRole(ICEROLE_CONTROLLED);
   ch.MaybeStartGathering();
   // The connections have decreasing priority.
   Connection* conn1 =
@@ -5167,29 +5112,27 @@
   // conn2 becomes writable; it is selected even though it is not nominated.
   conn2->ReceivedPingResponse(LOW_RTT, "id");
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return reset_selected_candidate_pair_switches(); }, Eq(1),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ch.selected_connection(); }, Eq(conn2),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn2),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn2));
 
   // If conn1 is also writable, it will become selected.
   conn1->ReceivedPingResponse(LOW_RTT, "id");
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return reset_selected_candidate_pair_switches(); }, Eq(1),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ch.selected_connection(); }, Eq(conn1),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   EXPECT_TRUE(CandidatePairMatchesNetworkRoute(conn1));
 
   // Make sure sorting won't reselect candidate pair.
@@ -5245,7 +5188,7 @@
   FakePortAllocator pa(env, ss());
   P2PTransportChannel ch("test channel", 1, &pa, &env.field_trials());
   PrepareChannel(&ch);
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ch.SetIceRole(ICEROLE_CONTROLLED);
   ch.MaybeStartGathering();
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kHost, "1.1.1.1", 1, 1));
@@ -5262,17 +5205,17 @@
   ASSERT_TRUE(conn2 != nullptr);
   conn2->ReceivedPingResponse(LOW_RTT, "id");  // Becomes writable and receiving
   NominateConnection(conn2);
-  EXPECT_THAT(webrtc::WaitUntil([&] { return conn1->pruned(); }, IsTrue(),
-                                {.timeout = TimeDelta::Millis(kMediumTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return conn1->pruned(); }, IsTrue(),
+                        {.timeout = TimeDelta::Millis(kMediumTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
 
-  ch.SetIceConfig(CreateIceConfig(500, webrtc::GATHER_ONCE));
+  ch.SetIceConfig(CreateIceConfig(500, GATHER_ONCE));
   // Wait until conn2 becomes not receiving.
-  EXPECT_THAT(webrtc::WaitUntil([&] { return !conn2->receiving(); }, IsTrue(),
-                                {.timeout = TimeDelta::Millis(kMediumTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return !conn2->receiving(); }, IsTrue(),
+                        {.timeout = TimeDelta::Millis(kMediumTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
 
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kHost, "3.3.3.3", 3, 1));
@@ -5291,7 +5234,7 @@
   FakePortAllocator pa(env, ss());
   P2PTransportChannel ch("test channel", 1, &pa, &env.field_trials());
   PrepareChannel(&ch);
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ch.SetIceRole(ICEROLE_CONTROLLED);
   ch.MaybeStartGathering();
   Connection* conn1 =
       CreateConnectionWithCandidate(&ch, &clock, "1.1.1.1", 1, 100, true);
@@ -5304,7 +5247,7 @@
   NominateConnection(conn1);
   SIMULATED_WAIT(false, 1, clock);
   conn1->OnReadPacket(
-      ReceivedIpPacket::CreateFromLegacy("XYZ", 3, webrtc::TimeMicros()));
+      ReceivedIpPacket::CreateFromLegacy("XYZ", 3, TimeMicros()));
   SIMULATED_WAIT(conn2->pruned(), 100, clock);
   EXPECT_FALSE(conn2->pruned());
 }
@@ -5341,19 +5284,19 @@
   EXPECT_EQ(IceTransportState::kChecking, ch.GetIceTransportState());
   // `conn1` becomes writable and receiving; it then should prune `conn2`.
   conn1->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(webrtc::WaitUntil([&] { return conn2->pruned(); }, IsTrue(),
-                                {.timeout = TimeDelta::Millis(kShortTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return conn2->pruned(); }, IsTrue(),
+                {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
+      IsRtcOk());
   EXPECT_EQ(IceTransportStateInternal::STATE_COMPLETED, ch.GetState());
   EXPECT_EQ(IceTransportState::kConnected, ch.GetIceTransportState());
   conn1->Prune();  // All connections are pruned.
   // Need to wait until the channel state is updated.
-  EXPECT_THAT(webrtc::WaitUntil([&] { return ch.GetState(); },
-                                Eq(IceTransportStateInternal::STATE_FAILED),
-                                {.timeout = TimeDelta::Millis(kShortTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return ch.GetState(); },
+                Eq(IceTransportStateInternal::STATE_FAILED),
+                {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
+      IsRtcOk());
   EXPECT_EQ(IceTransportState::kFailed, ch.GetIceTransportState());
 }
 
@@ -5367,7 +5310,7 @@
   FakePortAllocator pa(env, ss());
   P2PTransportChannel ch("test channel", 1, &pa, &env.field_trials());
   PrepareChannel(&ch);
-  IceConfig config = CreateIceConfig(1000, webrtc::GATHER_ONCE);
+  IceConfig config = CreateIceConfig(1000, GATHER_ONCE);
   config.receiving_switching_delay = 800;
   ch.SetIceConfig(config);
   ch.MaybeStartGathering();
@@ -5377,11 +5320,10 @@
   ASSERT_TRUE(conn1 != nullptr);
   EXPECT_EQ(nullptr, ch.selected_connection());
   conn1->ReceivedPingResponse(LOW_RTT, "id");  // Becomes writable and receiving
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ch.selected_connection(); }, Eq(conn1),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
 
   // Add a low-priority connection `conn2`, which will be pruned, but it will
   // not be deleted right away. Once the current selected connection becomes not
@@ -5391,45 +5333,43 @@
       CreateUdpCandidate(IceCandidateType::kHost, "2.2.2.2", 2, 1));
   Connection* conn2 = WaitForConnectionTo(&ch, "2.2.2.2", 2, &clock);
   ASSERT_TRUE(conn2 != nullptr);
-  EXPECT_THAT(webrtc::WaitUntil([&] { return !conn2->active(); }, IsTrue(),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return !conn2->active(); }, IsTrue(),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   // `conn2` should not send a ping yet.
   EXPECT_EQ(IceCandidatePairState::WAITING, conn2->state());
   EXPECT_EQ(IceTransportStateInternal::STATE_COMPLETED, ch.GetState());
   // Wait for `conn1` becoming not receiving.
-  EXPECT_THAT(webrtc::WaitUntil([&] { return !conn1->receiving(); }, IsTrue(),
-                                {.timeout = TimeDelta::Millis(kMediumTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return !conn1->receiving(); }, IsTrue(),
+                        {.timeout = TimeDelta::Millis(kMediumTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   // Make sure conn2 is not deleted.
   conn2 = WaitForConnectionTo(&ch, "2.2.2.2", 2, &clock);
   ASSERT_TRUE(conn2 != nullptr);
-  EXPECT_THAT(webrtc::WaitUntil([&] { return conn2->state(); },
-                                Eq(IceCandidatePairState::IN_PROGRESS),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return conn2->state(); },
+                        Eq(IceCandidatePairState::IN_PROGRESS),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   conn2->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ch.selected_connection(); }, Eq(conn2),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn2),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   EXPECT_EQ(IceTransportStateInternal::STATE_CONNECTING, ch.GetState());
 
   // When `conn1` comes back again, `conn2` will be pruned again.
   conn1->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ch.selected_connection(); }, Eq(conn1),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
-  EXPECT_THAT(webrtc::WaitUntil([&] { return !conn2->active(); }, IsTrue(),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return !conn2->active(); }, IsTrue(),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   EXPECT_EQ(IceTransportStateInternal::STATE_COMPLETED, ch.GetState());
 }
 
@@ -5450,10 +5390,9 @@
   conn1->ReceivedPing();  // Becomes receiving
   conn1->Prune();
   EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ch.connections().empty(); }, IsTrue(),
-          {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      WaitUntil([&] { return ch.connections().empty(); }, IsTrue(),
+                {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
+      IsRtcOk());
 
   // Have two connections but both become write-time-out later.
   ch.AddRemoteCandidate(
@@ -5470,10 +5409,9 @@
   conn2->Prune();
   conn3->Prune();
   EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ch.connections().empty(); }, IsTrue(),
-          {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      WaitUntil([&] { return ch.connections().empty(); }, IsTrue(),
+                {.timeout = TimeDelta::Millis(kShortTimeout), .clock = &clock}),
+      IsRtcOk());
 }
 
 // Tests that after a port allocator session is started, it will be stopped
@@ -5485,7 +5423,7 @@
   FakePortAllocator pa(env, ss());
   P2PTransportChannel ch("test channel", 1, &pa, &env.field_trials());
   PrepareChannel(&ch);
-  ch.SetIceConfig(CreateIceConfig(2000, webrtc::GATHER_ONCE));
+  ch.SetIceConfig(CreateIceConfig(2000, GATHER_ONCE));
   ch.MaybeStartGathering();
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kHost, "1.1.1.1", 1, 100));
@@ -5523,7 +5461,7 @@
                          &env.field_trials());
   // Starts with ICEROLE_CONTROLLING.
   PrepareChannel(&ch);
-  IceConfig config = CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+  IceConfig config = CreateIceConfig(1000, GATHER_CONTINUALLY);
   ch.SetIceConfig(config);
   ch.MaybeStartGathering();
   ch.AddRemoteCandidate(
@@ -5536,8 +5474,8 @@
   // change the ICE role and expect it to be updated.
   std::vector<PortInterface*> ports(1, conn->PortForTest());
   ch.allocator_session()->SignalPortsPruned(ch.allocator_session(), ports);
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
-  EXPECT_EQ(webrtc::ICEROLE_CONTROLLED, conn->PortForTest()->GetIceRole());
+  ch.SetIceRole(ICEROLE_CONTROLLED);
+  EXPECT_EQ(ICEROLE_CONTROLLED, conn->PortForTest()->GetIceRole());
 }
 
 // Test that the ICE role is updated even on ports with inactive networks.
@@ -5562,8 +5500,8 @@
   // role updated.
   ch.SetIceParameters(kIceParams[1]);
   ch.MaybeStartGathering();
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
-  EXPECT_EQ(webrtc::ICEROLE_CONTROLLED, conn->PortForTest()->GetIceRole());
+  ch.SetIceRole(ICEROLE_CONTROLLED);
+  EXPECT_EQ(ICEROLE_CONTROLLED, conn->PortForTest()->GetIceRole());
 }
 
 // Test that after some amount of time without receiving data, the connection
@@ -5577,7 +5515,7 @@
   P2PTransportChannel ch("test channel", ICE_CANDIDATE_COMPONENT_DEFAULT, &pa,
                          &env.field_trials());
   PrepareChannel(&ch);
-  ch.SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  ch.SetIceRole(ICEROLE_CONTROLLED);
   ch.MaybeStartGathering();
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kHost, "1.1.1.1", 1, 1));
@@ -5597,12 +5535,12 @@
 
   // If the session prunes all ports, the port will be destroyed.
   ch.allocator_session()->PruneAllPorts();
-  EXPECT_THAT(webrtc::WaitUntil([&] { return GetPort(&ch); }, Eq(nullptr),
-                                {.clock = &fake_clock}),
-              webrtc::IsRtcOk());
-  EXPECT_THAT(webrtc::WaitUntil([&] { return GetPrunedPort(&ch); }, Eq(nullptr),
-                                {.clock = &fake_clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return GetPort(&ch); }, Eq(nullptr),
+                        {.clock = &fake_clock}),
+              IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return GetPrunedPort(&ch); }, Eq(nullptr),
+                        {.clock = &fake_clock}),
+              IsRtcOk());
 }
 
 TEST_F(P2PTransportChannelPingTest, TestMaxOutstandingPingsFieldTrial) {
@@ -5623,13 +5561,13 @@
   ASSERT_TRUE(conn1 != nullptr);
   ASSERT_TRUE(conn2 != nullptr);
 
-  EXPECT_THAT(webrtc::WaitUntil(
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return conn1->num_pings_sent() == 3 &&
                            conn2->num_pings_sent() == 3;
                   },
                   IsTrue(), {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Check that these connections don't send any more pings.
   EXPECT_EQ(nullptr, ch.FindNextPingableConnection());
@@ -5651,9 +5589,9 @@
         env, &network_manager_, packet_socket_factory(), ServerAddresses(),
         kTurnUdpIntAddr, SocketAddress());
     port_allocator_->set_flags(port_allocator_->flags() |
-                               webrtc::PORTALLOCATOR_DISABLE_STUN |
-                               webrtc::PORTALLOCATOR_DISABLE_TCP);
-    port_allocator_->set_step_delay(webrtc::kMinimumStepDelay);
+                               PORTALLOCATOR_DISABLE_STUN |
+                               PORTALLOCATOR_DISABLE_TCP);
+    port_allocator_->set_step_delay(kMinimumStepDelay);
     return *port_allocator_;
   }
 
@@ -5682,7 +5620,7 @@
   void VerifyNextPingableConnection(
       IceCandidateType local_candidate_type,
       IceCandidateType remote_candidate_type,
-      absl::string_view relay_protocol_type = webrtc::UDP_PROTOCOL_NAME) {
+      absl::string_view relay_protocol_type = UDP_PROTOCOL_NAME) {
     Connection* conn = FindNextPingableConnectionAndPingIt(channel_.get());
     ASSERT_TRUE(conn != nullptr);
     EXPECT_EQ(conn->local_candidate().type(), local_candidate_type);
@@ -5709,10 +5647,9 @@
   CreatePortAllocator(env);
   P2PTransportChannel& ch =
       StartTransportChannel(env, true, max_strong_interval);
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.ports().size(); }, Eq(2),
+  EXPECT_THAT(WaitUntil([&] { return ch.ports().size(); }, Eq(2),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(ch.ports()[0]->Type(), IceCandidateType::kHost);
   EXPECT_EQ(ch.ports()[1]->Type(), IceCandidateType::kRelay);
 
@@ -5721,10 +5658,9 @@
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kHost, "2.2.2.2", 2, 2));
 
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.connections().size(); }, Eq(4),
+  EXPECT_THAT(WaitUntil([&] { return ch.connections().size(); }, Eq(4),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Relay/Relay should be the first pingable connection.
   Connection* conn = FindNextPingableConnectionAndPingIt(&ch);
@@ -5778,19 +5714,17 @@
   const Environment env = CreateEnvironment();
   CreatePortAllocator(env);
   P2PTransportChannel& ch = StartTransportChannel(env, true, 500);
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.ports().size(); }, Eq(2),
+  EXPECT_THAT(WaitUntil([&] { return ch.ports().size(); }, Eq(2),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(ch.ports()[0]->Type(), IceCandidateType::kHost);
   EXPECT_EQ(ch.ports()[1]->Type(), IceCandidateType::kRelay);
 
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kHost, "1.1.1.1", 1, 1));
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.connections().size(); }, Eq(2),
+  EXPECT_THAT(WaitUntil([&] { return ch.connections().size(); }, Eq(2),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Initially, only have Local/Local and Local/Relay.
   VerifyNextPingableConnection(IceCandidateType::kHost,
@@ -5801,10 +5735,9 @@
   // Remote Relay candidate arrives.
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kRelay, "2.2.2.2", 2, 2));
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.connections().size(); }, Eq(4),
+  EXPECT_THAT(WaitUntil([&] { return ch.connections().size(); }, Eq(4),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Relay/Relay should be the first since it hasn't been pinged before.
   VerifyNextPingableConnection(IceCandidateType::kRelay,
@@ -5827,19 +5760,17 @@
   const Environment env = CreateEnvironment();
   CreatePortAllocator(env);
   P2PTransportChannel& ch = StartTransportChannel(env, true, 500);
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.ports().size(); }, Eq(2),
+  EXPECT_THAT(WaitUntil([&] { return ch.ports().size(); }, Eq(2),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(ch.ports()[0]->Type(), IceCandidateType::kHost);
   EXPECT_EQ(ch.ports()[1]->Type(), IceCandidateType::kRelay);
 
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kRelay, "1.1.1.1", 1, 1));
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.connections().size(); }, Eq(2),
+  EXPECT_THAT(WaitUntil([&] { return ch.connections().size(); }, Eq(2),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Initially, only have Relay/Relay and Local/Relay. Ping Relay/Relay first.
   VerifyNextPingableConnection(IceCandidateType::kRelay,
@@ -5852,10 +5783,9 @@
   // Remote Local candidate arrives.
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kHost, "2.2.2.2", 2, 2));
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.connections().size(); }, Eq(4),
+  EXPECT_THAT(WaitUntil([&] { return ch.connections().size(); }, Eq(4),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Local/Local should be the first since it hasn't been pinged before.
   VerifyNextPingableConnection(IceCandidateType::kHost,
@@ -5879,28 +5809,25 @@
       "WebRTC-IceFieldTrials/skip_relay_to_non_relay_connections:true/"));
   CreatePortAllocator(env);
   P2PTransportChannel& ch = StartTransportChannel(env, true, 500);
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.ports().size(); }, Eq(2),
+  EXPECT_THAT(WaitUntil([&] { return ch.ports().size(); }, Eq(2),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(ch.ports()[0]->Type(), IceCandidateType::kHost);
   EXPECT_EQ(ch.ports()[1]->Type(), IceCandidateType::kRelay);
 
   // Remote Relay candidate arrives.
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kRelay, "1.1.1.1", 1, 1));
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.connections().size(); }, Eq(1),
+  EXPECT_THAT(WaitUntil([&] { return ch.connections().size(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Remote Local candidate arrives.
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kHost, "2.2.2.2", 2, 2));
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.connections().size(); }, Eq(2),
+  EXPECT_THAT(WaitUntil([&] { return ch.connections().size(); }, Eq(2),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 }
 
 // Test the ping sequence is UDP Relay/Relay followed by TCP Relay/Relay,
@@ -5908,17 +5835,16 @@
 TEST_F(P2PTransportChannelMostLikelyToWorkFirstTest, TestTcpTurn) {
   const Environment env = CreateEnvironment();
   // Add a Tcp Turn server.
-  turn_server()->AddInternalSocket(kTurnTcpIntAddr, webrtc::PROTO_TCP);
+  turn_server()->AddInternalSocket(kTurnTcpIntAddr, PROTO_TCP);
   RelayServerConfig config;
   config.credentials = kRelayCredentials;
-  config.ports.push_back(ProtocolAddress(kTurnTcpIntAddr, webrtc::PROTO_TCP));
+  config.ports.push_back(ProtocolAddress(kTurnTcpIntAddr, PROTO_TCP));
   CreatePortAllocator(env).AddTurnServerForTesting(config);
 
   P2PTransportChannel& ch = StartTransportChannel(env, true, 500);
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.ports().size(); }, Eq(3),
+  EXPECT_THAT(WaitUntil([&] { return ch.ports().size(); }, Eq(3),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(ch.ports()[0]->Type(), IceCandidateType::kHost);
   EXPECT_EQ(ch.ports()[1]->Type(), IceCandidateType::kRelay);
   EXPECT_EQ(ch.ports()[2]->Type(), IceCandidateType::kRelay);
@@ -5926,10 +5852,9 @@
   // Remote Relay candidate arrives.
   ch.AddRemoteCandidate(
       CreateUdpCandidate(IceCandidateType::kRelay, "1.1.1.1", 1, 1));
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch.connections().size(); }, Eq(3),
+  EXPECT_THAT(WaitUntil([&] { return ch.connections().size(); }, Eq(3),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // UDP Relay/Relay should be pinged first.
   VerifyNextPingableConnection(IceCandidateType::kRelay,
@@ -5937,8 +5862,7 @@
 
   // TCP Relay/Relay is the next.
   VerifyNextPingableConnection(IceCandidateType::kRelay,
-                               IceCandidateType::kRelay,
-                               webrtc::TCP_PROTOCOL_NAME);
+                               IceCandidateType::kRelay, TCP_PROTOCOL_NAME);
 
   // Finally, Local/Relay will be pinged.
   VerifyNextPingableConnection(IceCandidateType::kHost,
@@ -5951,8 +5875,7 @@
 TEST(P2PTransportChannelResolverTest, HostnameCandidateIsResolved) {
   const Environment env = CreateEnvironment();
   ResolverFactoryFixture resolver_fixture;
-  std::unique_ptr<SocketServer> socket_server =
-      webrtc::CreateDefaultSocketServer();
+  std::unique_ptr<SocketServer> socket_server = CreateDefaultSocketServer();
   AutoSocketServerThread main_thread(socket_server.get());
   FakePortAllocator allocator(env, socket_server.get());
   IceTransportInit init;
@@ -5965,10 +5888,10 @@
   hostname_candidate.set_address(hostname_address);
   channel->AddRemoteCandidate(hostname_candidate);
 
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return channel->remote_candidates().size(); }, Eq(1u),
-                  {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return channel->remote_candidates().size(); }, Eq(1u),
+                {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
+      IsRtcOk());
   const RemoteCandidate& candidate = channel->remote_candidates()[0];
   EXPECT_FALSE(candidate.address().IsUnresolvedIP());
 }
@@ -5995,10 +5918,10 @@
   // number is assgined to ep1's host candidate.
   PauseCandidates(0);
   PauseCandidates(1);
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return GetEndpoint(0)->saved_candidates_.size(); },
-                  Eq(1u), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return GetEndpoint(0)->saved_candidates_.size(); },
+                Eq(1u), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
   const auto& local_candidate = GetEndpoint(0)->saved_candidates_[0].candidate;
   // The IP address of ep1's host candidate should be obfuscated.
   EXPECT_TRUE(local_candidate.address().IsUnresolvedIP());
@@ -6010,20 +5933,20 @@
   // pair and start to ping. After receiving the ping, ep2 discovers a prflx
   // remote candidate and form a candidate pair as well.
   ResumeCandidates(1);
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
-                  {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
+                {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
   // ep2 should have the selected connection connected to the prflx remote
   // candidate.
   const Connection* selected_connection = nullptr;
-  ASSERT_THAT(webrtc::WaitUntil(
+  ASSERT_THAT(WaitUntil(
                   [&] {
                     return selected_connection =
                                ep2_ch1()->selected_connection();
                   },
                   Ne(nullptr), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_TRUE(selected_connection->remote_candidate().is_prflx());
   EXPECT_EQ(kIceUfrag[0], selected_connection->remote_candidate().username());
   EXPECT_EQ(kIcePwd[0], selected_connection->remote_candidate().password());
@@ -6031,7 +5954,7 @@
   resolver_fixture.SetAddressToReturn(local_address);
   ResumeCandidates(0);
   // Verify ep2's selected connection is updated to use the 'local' candidate.
-  EXPECT_THAT(webrtc::WaitUntil(
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return ep2_ch1()
                         ->selected_connection()
@@ -6039,7 +5962,7 @@
                         .is_local();
                   },
                   IsTrue(), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(selected_connection, ep2_ch1()->selected_connection());
 
   DestroyChannels();
@@ -6070,10 +5993,10 @@
   PauseCandidates(0);
   PauseCandidates(1);
 
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return GetEndpoint(0)->saved_candidates_.size(); },
-                  Eq(1u), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return GetEndpoint(0)->saved_candidates_.size(); },
+                Eq(1u), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
   const auto& local_candidate = GetEndpoint(0)->saved_candidates_[0].candidate;
   // The IP address of ep1's host candidate should be obfuscated.
   ASSERT_TRUE(local_candidate.address().IsUnresolvedIP());
@@ -6086,10 +6009,10 @@
   // by ep1. Let ep2 signal its host candidate with an IP address to ep1, so
   // that ep1 can form a candidate pair, select it and start to ping ep2.
   ResumeCandidates(1);
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
-                  {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
+                {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
   // Let the mock resolver of ep2 receives the correct resolution.
   resolver_fixture.SetAddressToReturn(local_address);
 
@@ -6098,17 +6021,17 @@
   //
   // There is a caveat in our implementation associated with this expectation.
   // See the big comment in P2PTransportChannel::OnUnknownAddress.
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return ep2_ch1()->selected_connection(); }, Ne(nullptr),
-                  {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return ep2_ch1()->selected_connection(); }, Ne(nullptr),
+                {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
   EXPECT_TRUE(ep2_ch1()->selected_connection()->remote_candidate().is_prflx());
   // ep2 should also be able resolve the hostname candidate. The resolved remote
   // host candidate should be merged with the prflx remote candidate.
 
   resolver_fixture.FireDelayedResolution();
 
-  EXPECT_THAT(webrtc::WaitUntil(
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return ep2_ch1()
                         ->selected_connection()
@@ -6116,7 +6039,7 @@
                         .is_local();
                   },
                   IsTrue(), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(1u, ep2_ch1()->remote_candidates().size());
 
   DestroyChannels();
@@ -6142,10 +6065,10 @@
   // number is assgined to ep1's host candidate.
   PauseCandidates(0);
   PauseCandidates(1);
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return GetEndpoint(0)->saved_candidates_.size(); },
-                  Eq(1u), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return GetEndpoint(0)->saved_candidates_.size(); },
+                Eq(1u), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
   const auto& local_candidate_ep1 =
       GetEndpoint(0)->saved_candidates_[0].candidate;
   // The IP address of ep1's host candidate should be obfuscated.
@@ -6161,10 +6084,10 @@
 
   // We should be able to receive a ping from ep2 and establish a connection
   // with a peer reflexive candidate from ep2.
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
-                  {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
+                {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
   EXPECT_TRUE(ep1_ch1()->selected_connection()->local_candidate().is_local());
   EXPECT_TRUE(ep1_ch1()->selected_connection()->remote_candidate().is_prflx());
 
@@ -6185,10 +6108,9 @@
   // ep1 and ep2 will gather host candidates with addresses
   // kPublicAddrs[0] and kPublicAddrs[1], respectively. ep1 also gathers a srflx
   // and a relay candidates.
-  ConfigureEndpoints(
-      env, OPEN, OPEN,
-      webrtc::kDefaultPortAllocatorFlags | webrtc::PORTALLOCATOR_DISABLE_TCP,
-      kOnlyLocalPorts);
+  ConfigureEndpoints(env, OPEN, OPEN,
+                     kDefaultPortAllocatorFlags | PORTALLOCATOR_DISABLE_TCP,
+                     kOnlyLocalPorts);
   // ICE parameter will be set up when creating the channels.
   set_remote_ice_parameter_source(FROM_SETICEPARAMETERS);
   GetEndpoint(0)->network_manager_.set_mdns_responder(
@@ -6200,14 +6122,14 @@
   PauseCandidates(0);
   PauseCandidates(1);
   // Ep1 has a UDP host, a srflx and a relay candidates.
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return GetEndpoint(0)->saved_candidates_.size(); },
-                  Eq(3u), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return GetEndpoint(1)->saved_candidates_.size(); },
-                  Eq(1u), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return GetEndpoint(0)->saved_candidates_.size(); },
+                Eq(3u), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return GetEndpoint(1)->saved_candidates_.size(); },
+                Eq(1u), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
 
   for (const auto& candidates_data : GetEndpoint(0)->saved_candidates_) {
     const auto& local_candidate_ep1 = candidates_data.candidate;
@@ -6223,20 +6145,18 @@
   ResumeCandidates(0);
   ResumeCandidates(1);
 
-  ASSERT_THAT(webrtc::WaitUntil([&] { return ep1_ch1()->gathering_state(); },
-                                Eq(webrtc::kIceGatheringComplete),
-                                {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ep1_ch1()->gathering_state(); },
+                        Eq(kIceGatheringComplete),
+                        {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+              IsRtcOk());
   // We should have the following candidate pairs on both endpoints:
   // ep1_host <-> ep2_host, ep1_srflx <-> ep2_host, ep1_relay <-> ep2_host
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ep1_ch1()->connections().size(); }, Eq(3u),
+  ASSERT_THAT(WaitUntil([&] { return ep1_ch1()->connections().size(); }, Eq(3u),
                         {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-      webrtc::IsRtcOk());
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ep2_ch1()->connections().size(); }, Eq(3u),
+              IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ep2_ch1()->connections().size(); }, Eq(3u),
                         {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   IceTransportStats ice_transport_stats1;
   IceTransportStats ice_transport_stats2;
@@ -6283,8 +6203,8 @@
        ConnectingIncreasesSelectedCandidatePairChanges) {
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   CreateChannels(env);
 
   IceTransportStats ice_transport_stats;
@@ -6293,10 +6213,10 @@
 
   // Let the channels connect.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   ASSERT_TRUE(ep1_ch1()->GetStats(&ice_transport_stats));
   EXPECT_EQ(1u, ice_transport_stats.selected_candidate_pair_changes);
@@ -6308,8 +6228,8 @@
        DisconnectedIncreasesSelectedCandidatePairChanges) {
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   CreateChannels(env);
 
   IceTransportStats ice_transport_stats;
@@ -6318,10 +6238,10 @@
 
   // Let the channels connect.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   ASSERT_TRUE(ep1_ch1()->GetStats(&ice_transport_stats));
   EXPECT_EQ(1u, ice_transport_stats.selected_candidate_pair_changes);
@@ -6331,10 +6251,10 @@
     con->Prune();
   }
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep1_ch1()->selected_connection(); }, Eq(nullptr),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   ASSERT_TRUE(ep1_ch1()->GetStats(&ice_transport_stats));
   EXPECT_EQ(2u, ice_transport_stats.selected_candidate_pair_changes);
@@ -6346,8 +6266,8 @@
        NewSelectionIncreasesSelectedCandidatePairChanges) {
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   CreateChannels(env);
 
   IceTransportStats ice_transport_stats;
@@ -6356,10 +6276,10 @@
 
   // Let the channels connect.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   ASSERT_TRUE(ep1_ch1()->GetStats(&ice_transport_stats));
   EXPECT_EQ(1u, ice_transport_stats.selected_candidate_pair_changes);
@@ -6373,7 +6293,7 @@
     }
   }
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()->selected_connection() != nullptr &&
                    (ep1_ch1()->GetStats(&ice_transport_stats),
@@ -6381,7 +6301,7 @@
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kMediumTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   ASSERT_TRUE(ep1_ch1()->GetStats(&ice_transport_stats));
   EXPECT_GE(ice_transport_stats.selected_candidate_pair_changes, 2u);
@@ -6409,10 +6329,10 @@
   // number is assigned to ep1's host candidate.
   PauseCandidates(0);
   PauseCandidates(1);
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return GetEndpoint(0)->saved_candidates_.size(); },
-                  Eq(1u), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return GetEndpoint(0)->saved_candidates_.size(); },
+                Eq(1u), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
   const auto& candidates_data = GetEndpoint(0)->saved_candidates_[0];
   const auto& local_candidate_ep1 = candidates_data.candidate;
   ASSERT_TRUE(local_candidate_ep1.is_local());
@@ -6425,13 +6345,13 @@
   ResumeCandidates(0);
   ResumeCandidates(1);
 
-  ASSERT_THAT(webrtc::WaitUntil(
+  ASSERT_THAT(WaitUntil(
                   [&] {
                     return ep1_ch1()->selected_connection() != nullptr &&
                            ep2_ch1()->selected_connection() != nullptr;
                   },
                   IsTrue(), {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+              IsRtcOk());
 
   const auto pair_ep1 = ep1_ch1()->GetSelectedCandidatePair();
   ASSERT_TRUE(pair_ep1.has_value());
@@ -6449,24 +6369,23 @@
 TEST_F(P2PTransportChannelTest,
        NoPairOfLocalRelayCandidateWithRemoteMdnsCandidate) {
   const Environment env = CreateEnvironment();
-  const int kOnlyRelayPorts = webrtc::PORTALLOCATOR_DISABLE_UDP |
-                              webrtc::PORTALLOCATOR_DISABLE_STUN |
-                              webrtc::PORTALLOCATOR_DISABLE_TCP;
+  const int kOnlyRelayPorts = PORTALLOCATOR_DISABLE_UDP |
+                              PORTALLOCATOR_DISABLE_STUN |
+                              PORTALLOCATOR_DISABLE_TCP;
   // We use one endpoint to test the behavior of adding remote candidates, and
   // this endpoint only gathers relay candidates.
   ConfigureEndpoints(env, OPEN, OPEN, kOnlyRelayPorts,
-                     webrtc::kDefaultPortAllocatorFlags);
+                     kDefaultPortAllocatorFlags);
   GetEndpoint(0)->cd1_.ch_ = CreateChannel(
       env, 0, ICE_CANDIDATE_COMPONENT_DEFAULT, kIceParams[0], kIceParams[1]);
   IceConfig config;
   // Start gathering and we should have only a single relay port.
   ep1_ch1()->SetIceConfig(config);
   ep1_ch1()->MaybeStartGathering();
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ep1_ch1()->gathering_state(); },
+  EXPECT_THAT(WaitUntil([&] { return ep1_ch1()->gathering_state(); },
                         Eq(IceGatheringState::kIceGatheringComplete),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(1u, ep1_ch1()->ports().size());
   // Add a plain remote host candidate and three remote mDNS candidates with the
   // host, srflx and relay types. Note that the candidates differ in their
@@ -6526,9 +6445,9 @@
   // ep1 and ep2 will only gather host and srflx candidates with base addresses
   // kPublicAddrs[0] and kPublicAddrs[1], respectively, and we use a shared
   // socket in gathering.
-  const auto kOnlyLocalAndStunPorts =
-      webrtc::PORTALLOCATOR_DISABLE_RELAY | webrtc::PORTALLOCATOR_DISABLE_TCP |
-      webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET;
+  const auto kOnlyLocalAndStunPorts = PORTALLOCATOR_DISABLE_RELAY |
+                                      PORTALLOCATOR_DISABLE_TCP |
+                                      PORTALLOCATOR_ENABLE_SHARED_SOCKET;
   // ep1 is configured with a NAT so that we do gather a srflx candidate.
   ConfigureEndpoints(env, NAT_FULL_CONE, OPEN, kOnlyLocalAndStunPorts,
                      kOnlyLocalAndStunPorts);
@@ -6546,10 +6465,10 @@
   CreateChannels(env);
 
   // We should be able to form a srflx-host connection to ep2.
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
-                  {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
+                {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+      IsRtcOk());
   EXPECT_TRUE(ep1_ch1()->selected_connection()->local_candidate().is_stun());
   EXPECT_TRUE(ep1_ch1()->selected_connection()->remote_candidate().is_local());
 
@@ -6566,37 +6485,36 @@
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
 
-  ConfigureEndpoints(env, OPEN, OPEN,
-                     webrtc::kDefaultPortAllocatorFlags |
-                         webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET,
-                     webrtc::kDefaultPortAllocatorFlags |
-                         webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET);
+  ConfigureEndpoints(
+      env, OPEN, OPEN,
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET,
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET);
   auto* ep1 = GetEndpoint(0);
   auto* ep2 = GetEndpoint(1);
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_RELAY);
-  ep2->allocator_->SetCandidateFilter(webrtc::CF_RELAY);
+  ep1->allocator_->SetCandidateFilter(CF_RELAY);
+  ep2->allocator_->SetCandidateFilter(CF_RELAY);
   // Enable continual gathering and also resurfacing gathered candidates upon
   // the candidate filter changed in the ICE configuration.
-  IceConfig ice_config = CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+  IceConfig ice_config = CreateIceConfig(1000, GATHER_CONTINUALLY);
   ice_config.surface_ice_candidates_on_ice_transport_type_changed = true;
   CreateChannels(env, ice_config, ice_config);
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep2_ch1()->selected_connection(); }, Ne(nullptr),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   EXPECT_TRUE(ep1_ch1()->selected_connection()->local_candidate().is_relay());
   EXPECT_TRUE(ep2_ch1()->selected_connection()->local_candidate().is_relay());
 
   // Loosen the candidate filter at ep1.
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_ALL);
+  ep1->allocator_->SetCandidateFilter(CF_ALL);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()->selected_connection() != nullptr &&
                    ep1_ch1()
@@ -6606,13 +6524,13 @@
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   EXPECT_TRUE(ep1_ch1()->selected_connection()->remote_candidate().is_relay());
 
   // Loosen the candidate filter at ep2.
-  ep2->allocator_->SetCandidateFilter(webrtc::CF_ALL);
+  ep2->allocator_->SetCandidateFilter(CF_ALL);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep2_ch1()->selected_connection() != nullptr &&
                    ep2_ch1()
@@ -6622,19 +6540,19 @@
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   // We have migrated to a host-host candidate pair.
   EXPECT_TRUE(ep2_ch1()->selected_connection()->remote_candidate().is_local());
 
   // Block the traffic over non-relay-to-relay routes and expect a route change.
-  fw()->AddRule(false, webrtc::FP_ANY, kPublicAddrs[0], kPublicAddrs[1]);
-  fw()->AddRule(false, webrtc::FP_ANY, kPublicAddrs[1], kPublicAddrs[0]);
-  fw()->AddRule(false, webrtc::FP_ANY, kPublicAddrs[0], kTurnUdpExtAddr);
-  fw()->AddRule(false, webrtc::FP_ANY, kPublicAddrs[1], kTurnUdpExtAddr);
+  fw()->AddRule(false, FP_ANY, kPublicAddrs[0], kPublicAddrs[1]);
+  fw()->AddRule(false, FP_ANY, kPublicAddrs[1], kPublicAddrs[0]);
+  fw()->AddRule(false, FP_ANY, kPublicAddrs[0], kTurnUdpExtAddr);
+  fw()->AddRule(false, FP_ANY, kPublicAddrs[1], kTurnUdpExtAddr);
 
   // We should be able to reuse the previously gathered relay candidates.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()
                 ->selected_connection()
@@ -6643,7 +6561,7 @@
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   EXPECT_TRUE(ep1_ch1()->selected_connection()->remote_candidate().is_relay());
   DestroyChannels();
 }
@@ -6662,35 +6580,34 @@
   //  1. We don't generate the srflx candidate when we have public IP.
   //  2. We keep the host candidate in this case in CheckCandidateFilter even
   //     though we intend to filter them.
-  ConfigureEndpoints(env, NAT_FULL_CONE, NAT_FULL_CONE,
-                     webrtc::kDefaultPortAllocatorFlags |
-                         webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET,
-                     webrtc::kDefaultPortAllocatorFlags |
-                         webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET);
+  ConfigureEndpoints(
+      env, NAT_FULL_CONE, NAT_FULL_CONE,
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET,
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET);
   auto* ep1 = GetEndpoint(0);
   auto* ep2 = GetEndpoint(1);
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_RELAY);
-  ep2->allocator_->SetCandidateFilter(webrtc::CF_RELAY);
+  ep1->allocator_->SetCandidateFilter(CF_RELAY);
+  ep2->allocator_->SetCandidateFilter(CF_RELAY);
   // Enable continual gathering and also resurfacing gathered candidates upon
   // the candidate filter changed in the ICE configuration.
-  IceConfig ice_config = CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+  IceConfig ice_config = CreateIceConfig(1000, GATHER_CONTINUALLY);
   ice_config.surface_ice_candidates_on_ice_transport_type_changed = true;
   CreateChannels(env, ice_config, ice_config);
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep2_ch1()->selected_connection(); }, Ne(nullptr),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
-  const uint32_t kCandidateFilterNoHost = webrtc::CF_ALL & ~webrtc::CF_HOST;
+      IsRtcOk());
+  const uint32_t kCandidateFilterNoHost = CF_ALL & ~CF_HOST;
   // Loosen the candidate filter at ep1.
   ep1->allocator_->SetCandidateFilter(kCandidateFilterNoHost);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()->selected_connection() != nullptr &&
                    ep1_ch1()
@@ -6700,13 +6617,13 @@
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   EXPECT_TRUE(ep1_ch1()->selected_connection()->remote_candidate().is_relay());
 
   // Loosen the candidate filter at ep2.
   ep2->allocator_->SetCandidateFilter(kCandidateFilterNoHost);
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep2_ch1()->selected_connection() != nullptr &&
                    ep2_ch1()
@@ -6716,18 +6633,18 @@
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   // We have migrated to a srflx-srflx candidate pair.
   EXPECT_TRUE(ep2_ch1()->selected_connection()->remote_candidate().is_stun());
 
   // Block the traffic over non-relay-to-relay routes and expect a route change.
-  fw()->AddRule(false, webrtc::FP_ANY, kPrivateAddrs[0], kPublicAddrs[1]);
-  fw()->AddRule(false, webrtc::FP_ANY, kPrivateAddrs[1], kPublicAddrs[0]);
-  fw()->AddRule(false, webrtc::FP_ANY, kPrivateAddrs[0], kTurnUdpExtAddr);
-  fw()->AddRule(false, webrtc::FP_ANY, kPrivateAddrs[1], kTurnUdpExtAddr);
+  fw()->AddRule(false, FP_ANY, kPrivateAddrs[0], kPublicAddrs[1]);
+  fw()->AddRule(false, FP_ANY, kPrivateAddrs[1], kPublicAddrs[0]);
+  fw()->AddRule(false, FP_ANY, kPrivateAddrs[0], kTurnUdpExtAddr);
+  fw()->AddRule(false, FP_ANY, kPrivateAddrs[1], kTurnUdpExtAddr);
   // We should be able to reuse the previously gathered relay candidates.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()
                 ->selected_connection()
@@ -6736,7 +6653,7 @@
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   EXPECT_TRUE(ep1_ch1()->selected_connection()->remote_candidate().is_relay());
   DestroyChannels();
 }
@@ -6751,37 +6668,36 @@
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
 
-  ConfigureEndpoints(env, OPEN, OPEN,
-                     webrtc::kDefaultPortAllocatorFlags |
-                         webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET,
-                     webrtc::kDefaultPortAllocatorFlags |
-                         webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET);
+  ConfigureEndpoints(
+      env, OPEN, OPEN,
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET,
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET);
   auto* ep1 = GetEndpoint(0);
   auto* ep2 = GetEndpoint(1);
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_RELAY);
-  ep2->allocator_->SetCandidateFilter(webrtc::CF_RELAY);
+  ep1->allocator_->SetCandidateFilter(CF_RELAY);
+  ep2->allocator_->SetCandidateFilter(CF_RELAY);
   // Only gather once.
-  IceConfig ice_config = CreateIceConfig(1000, webrtc::GATHER_ONCE);
+  IceConfig ice_config = CreateIceConfig(1000, GATHER_ONCE);
   ice_config.surface_ice_candidates_on_ice_transport_type_changed = true;
   CreateChannels(env, ice_config, ice_config);
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep1_ch1()->selected_connection(); }, Ne(nullptr),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep2_ch1()->selected_connection(); }, Ne(nullptr),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   // Loosen the candidate filter at ep1.
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_ALL);
+  ep1->allocator_->SetCandidateFilter(CF_ALL);
   // Wait for a period for any potential surfacing of new candidates.
   SIMULATED_WAIT(false, kDefaultTimeout, clock);
   EXPECT_TRUE(ep1_ch1()->selected_connection()->local_candidate().is_relay());
 
   // Loosen the candidate filter at ep2.
-  ep2->allocator_->SetCandidateFilter(webrtc::CF_ALL);
+  ep2->allocator_->SetCandidateFilter(CF_ALL);
   EXPECT_TRUE(ep2_ch1()->selected_connection()->local_candidate().is_relay());
   DestroyChannels();
 }
@@ -6794,18 +6710,17 @@
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
 
-  ConfigureEndpoints(env, OPEN, OPEN,
-                     webrtc::kDefaultPortAllocatorFlags |
-                         webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET,
-                     webrtc::kDefaultPortAllocatorFlags |
-                         webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET);
+  ConfigureEndpoints(
+      env, OPEN, OPEN,
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET,
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET);
   auto* ep1 = GetEndpoint(0);
   auto* ep2 = GetEndpoint(1);
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_ALL);
-  ep2->allocator_->SetCandidateFilter(webrtc::CF_ALL);
+  ep1->allocator_->SetCandidateFilter(CF_ALL);
+  ep2->allocator_->SetCandidateFilter(CF_ALL);
   // Enable continual gathering and also resurfacing gathered candidates upon
   // the candidate filter changed in the ICE configuration.
-  IceConfig ice_config = CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+  IceConfig ice_config = CreateIceConfig(1000, GATHER_CONTINUALLY);
   ice_config.surface_ice_candidates_on_ice_transport_type_changed = true;
   // Pause candidates so we can gather all types of candidates. See
   // P2PTransportChannel::OnConnectionStateChange, where we would stop the
@@ -6815,15 +6730,14 @@
   CreateChannels(env, ice_config, ice_config);
 
   // We have gathered host, srflx and relay candidates.
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ep1->saved_candidates_.size(); }, Eq(3u),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ep1->saved_candidates_.size(); }, Eq(3u),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   ResumeCandidates(0);
   ResumeCandidates(1);
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()->selected_connection() != nullptr &&
                    ep1_ch1()
@@ -6838,12 +6752,12 @@
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep2_ch1()->selected_connection(); }, Ne(nullptr),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   // Test that we have a host-host candidate pair selected and the number of
   // candidates signaled to the remote peer stays the same.
   auto test_invariants = [this]() {
@@ -6856,15 +6770,15 @@
   test_invariants();
 
   // Set a more restrictive candidate filter at ep1.
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_HOST | webrtc::CF_REFLEXIVE);
+  ep1->allocator_->SetCandidateFilter(CF_HOST | CF_REFLEXIVE);
   SIMULATED_WAIT(false, kDefaultTimeout, clock);
   test_invariants();
 
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_HOST);
+  ep1->allocator_->SetCandidateFilter(CF_HOST);
   SIMULATED_WAIT(false, kDefaultTimeout, clock);
   test_invariants();
 
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_NONE);
+  ep1->allocator_->SetCandidateFilter(CF_NONE);
   SIMULATED_WAIT(false, kDefaultTimeout, clock);
   test_invariants();
   DestroyChannels();
@@ -6881,18 +6795,17 @@
   const Environment env = CreateEnvironment(FieldTrials::CreateNoGlobal(
       "WebRTC-IceFieldTrials/skip_relay_to_non_relay_connections:true/"));
 
-  ConfigureEndpoints(env, OPEN, OPEN,
-                     webrtc::kDefaultPortAllocatorFlags |
-                         webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET,
-                     webrtc::kDefaultPortAllocatorFlags |
-                         webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET);
+  ConfigureEndpoints(
+      env, OPEN, OPEN,
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET,
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET);
   auto* ep1 = GetEndpoint(0);
   auto* ep2 = GetEndpoint(1);
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_RELAY);
-  ep2->allocator_->SetCandidateFilter(webrtc::CF_ALL);
+  ep1->allocator_->SetCandidateFilter(CF_RELAY);
+  ep2->allocator_->SetCandidateFilter(CF_ALL);
   // Enable continual gathering and also resurfacing gathered candidates upon
   // the candidate filter changed in the ICE configuration.
-  IceConfig ice_config = CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+  IceConfig ice_config = CreateIceConfig(1000, GATHER_CONTINUALLY);
   ice_config.surface_ice_candidates_on_ice_transport_type_changed = true;
   // Pause candidates gathering so we can gather all types of candidates. See
   // P2PTransportChannel::OnConnectionStateChange, where we would stop the
@@ -6903,21 +6816,19 @@
 
   // On the caller we only have relay,
   // on the callee we have host, srflx and relay.
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ep1->saved_candidates_.size(); }, Eq(1u),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ep2->saved_candidates_.size(); }, Eq(3u),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ep1->saved_candidates_.size(); }, Eq(1u),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ep2->saved_candidates_.size(); }, Eq(3u),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
 
   ResumeCandidates(0);
   ResumeCandidates(1);
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()->selected_connection() != nullptr &&
                    ep1_ch1()
@@ -6932,19 +6843,19 @@
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return ep2_ch1()->selected_connection(); }, Ne(nullptr),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   // Wait until the callee discards it's candidates
   // since they don't manage to connect.
   SIMULATED_WAIT(false, 300000, clock);
 
   // And then loosen caller candidate filter.
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_ALL);
+  ep1->allocator_->SetCandidateFilter(CF_ALL);
 
   SIMULATED_WAIT(false, kDefaultTimeout, clock);
 
@@ -6978,10 +6889,10 @@
   conn1->ReceivedPingResponse(LOW_RTT, "id");  // Becomes writable and receiving
   // It shall not be selected until 0ms has passed....i.e it should be connected
   // directly.
-  EXPECT_THAT(webrtc::WaitUntil(
-                  [&] { return ch.selected_connection(); }, Eq(conn1),
-                  {.timeout = TimeDelta::Millis(kMargin), .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+                {.timeout = TimeDelta::Millis(kMargin), .clock = &clock}),
+      IsRtcOk());
 }
 
 TEST_F(P2PTransportChannelPingTest, TestInitialSelectDampening) {
@@ -7005,10 +6916,10 @@
   conn1->ReceivedPingResponse(LOW_RTT, "id");  // Becomes writable and receiving
   // It shall not be selected until 100ms has passed.
   SIMULATED_WAIT(conn1 == ch.selected_connection(), 100 - kMargin, clock);
-  EXPECT_THAT(webrtc::WaitUntil(
-                  [&] { return ch.selected_connection(); }, Eq(conn1),
-                  {.timeout = TimeDelta::Millis(2 * kMargin), .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+                {.timeout = TimeDelta::Millis(2 * kMargin), .clock = &clock}),
+      IsRtcOk());
 }
 
 TEST_F(P2PTransportChannelPingTest, TestInitialSelectDampeningPingReceived) {
@@ -7033,10 +6944,10 @@
   conn1->ReceivedPing("id1");                  //
   // It shall not be selected until 100ms has passed.
   SIMULATED_WAIT(conn1 == ch.selected_connection(), 100 - kMargin, clock);
-  EXPECT_THAT(webrtc::WaitUntil(
-                  [&] { return ch.selected_connection(); }, Eq(conn1),
-                  {.timeout = TimeDelta::Millis(2 * kMargin), .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+                {.timeout = TimeDelta::Millis(2 * kMargin), .clock = &clock}),
+      IsRtcOk());
 }
 
 TEST_F(P2PTransportChannelPingTest, TestInitialSelectDampeningBoth) {
@@ -7064,16 +6975,15 @@
   SIMULATED_WAIT(conn1 == ch.selected_connection(), 50 - kMargin, clock);
   // Now receiving ping and new timeout should kick in.
   conn1->ReceivedPing("id1");  //
-  EXPECT_THAT(webrtc::WaitUntil(
-                  [&] { return ch.selected_connection(); }, Eq(conn1),
-                  {.timeout = TimeDelta::Millis(2 * kMargin), .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return ch.selected_connection(); }, Eq(conn1),
+                {.timeout = TimeDelta::Millis(2 * kMargin), .clock = &clock}),
+      IsRtcOk());
 }
 
 TEST(P2PTransportChannelIceControllerTest, InjectIceController) {
   const Environment env = CreateEnvironment();
-  std::unique_ptr<SocketServer> socket_server =
-      webrtc::CreateDefaultSocketServer();
+  std::unique_ptr<SocketServer> socket_server = CreateDefaultSocketServer();
   AutoSocketServerThread main_thread(socket_server.get());
   MockIceControllerFactory factory;
   FakePortAllocator pa(env, socket_server.get());
@@ -7089,8 +6999,7 @@
 
 TEST(P2PTransportChannel, InjectActiveIceController) {
   const Environment env = CreateEnvironment();
-  std::unique_ptr<SocketServer> socket_server =
-      webrtc::CreateDefaultSocketServer();
+  std::unique_ptr<SocketServer> socket_server = CreateDefaultSocketServer();
   AutoSocketServerThread main_thread(socket_server.get());
   MockActiveIceControllerFactory factory;
   FakePortAllocator pa(env, socket_server.get());
@@ -7169,10 +7078,9 @@
 
   // Wait for conn1 to be selected.
   conn1->ReceivedPingResponse(LOW_RTT, "id");
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch->selected_connection(); }, Eq(conn1),
+  EXPECT_THAT(WaitUntil([&] { return ch->selected_connection(); }, Eq(conn1),
                         {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   conn2->ReceivedPingResponse(LOW_RTT, "id");
   EXPECT_TRUE(conn2->writable());
@@ -7184,17 +7092,17 @@
 
   // We don't have a mock Connection, so verify this by checking that it
   // is no longer writable.
-  EXPECT_THAT(webrtc::WaitUntil([&] { return conn2->writable(); }, IsFalse(),
-                                {.timeout = TimeDelta::Millis(kMediumTimeout)}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return conn2->writable(); }, IsFalse(),
+                        {.timeout = TimeDelta::Millis(kMediumTimeout)}),
+              IsRtcOk());
 }
 
 TEST_F(P2PTransportChannelTest, DisableDnsLookupsWithTransportPolicyRelay) {
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   auto* ep1 = GetEndpoint(0);
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_RELAY);
+  ep1->allocator_->SetCandidateFilter(CF_RELAY);
 
   std::unique_ptr<MockAsyncDnsResolver> mock_async_resolver =
       std::make_unique<MockAsyncDnsResolver>();
@@ -7218,10 +7126,10 @@
 
 TEST_F(P2PTransportChannelTest, DisableDnsLookupsWithTransportPolicyNone) {
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   auto* ep1 = GetEndpoint(0);
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_NONE);
+  ep1->allocator_->SetCandidateFilter(CF_NONE);
 
   std::unique_ptr<MockAsyncDnsResolver> mock_async_resolver =
       std::make_unique<MockAsyncDnsResolver>();
@@ -7245,10 +7153,10 @@
 
 TEST_F(P2PTransportChannelTest, EnableDnsLookupsWithTransportPolicyNoHost) {
   const Environment env = CreateEnvironment();
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   auto* ep1 = GetEndpoint(0);
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_ALL & ~webrtc::CF_HOST);
+  ep1->allocator_->SetCandidateFilter(CF_ALL & ~CF_HOST);
 
   std::unique_ptr<MockAsyncDnsResolver> mock_async_resolver =
       std::make_unique<MockAsyncDnsResolver>();
@@ -7288,22 +7196,21 @@
   const Environment env =
       CreateEnvironment(FieldTrials::CreateNoGlobal(field_trial));
   // Use local + relay
-  constexpr uint32_t flags = webrtc::kDefaultPortAllocatorFlags |
-                             webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET |
-                             webrtc::PORTALLOCATOR_DISABLE_STUN |
-                             webrtc::PORTALLOCATOR_DISABLE_TCP;
+  constexpr uint32_t flags =
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET |
+      PORTALLOCATOR_DISABLE_STUN | PORTALLOCATOR_DISABLE_TCP;
   ConfigureEndpoints(env, OPEN, OPEN, flags, flags);
   auto* ep1 = GetEndpoint(0);
   auto* ep2 = GetEndpoint(1);
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_ALL);
-  ep2->allocator_->SetCandidateFilter(webrtc::CF_ALL);
+  ep1->allocator_->SetCandidateFilter(CF_ALL);
+  ep2->allocator_->SetCandidateFilter(CF_ALL);
 
   // Use step delay 3s which is long enough for
   // connection to be established before managing to gather relay candidates.
   int delay = 3000;
   SetAllocationStepDelay(0, delay);
   SetAllocationStepDelay(1, delay);
-  IceConfig ice_config = CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+  IceConfig ice_config = CreateIceConfig(1000, GATHER_CONTINUALLY);
   CreateChannels(env, ice_config, ice_config);
 
   PauseCandidates(0);
@@ -7311,14 +7218,14 @@
 
   // We have gathered host candidates but not relay.
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1->saved_candidates_.size() == 1u &&
                    ep2->saved_candidates_.size() == 1u;
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   ResumeCandidates(0);
   ResumeCandidates(1);
@@ -7327,24 +7234,24 @@
   PauseCandidates(1);
 
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()->remote_candidates().size() == 1 &&
                    ep2_ch1()->remote_candidates().size() == 1;
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()->selected_connection() &&
                    ep2_ch1()->selected_connection();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   clock.AdvanceTime(TimeDelta::Millis(10 * delay));
 
@@ -7370,23 +7277,22 @@
       CreateEnvironment(FieldTrials::CreateNoGlobal(field_trial));
 
   // Use local + relay
-  constexpr uint32_t flags = webrtc::kDefaultPortAllocatorFlags |
-                             webrtc::PORTALLOCATOR_ENABLE_SHARED_SOCKET |
-                             webrtc::PORTALLOCATOR_DISABLE_STUN |
-                             webrtc::PORTALLOCATOR_DISABLE_TCP;
+  constexpr uint32_t flags =
+      kDefaultPortAllocatorFlags | PORTALLOCATOR_ENABLE_SHARED_SOCKET |
+      PORTALLOCATOR_DISABLE_STUN | PORTALLOCATOR_DISABLE_TCP;
   AddAddress(0, kAlternateAddrs[0]);
   ConfigureEndpoints(env, OPEN, OPEN, flags, flags);
   auto* ep1 = GetEndpoint(0);
   auto* ep2 = GetEndpoint(1);
-  ep1->allocator_->SetCandidateFilter(webrtc::CF_ALL);
-  ep2->allocator_->SetCandidateFilter(webrtc::CF_ALL);
+  ep1->allocator_->SetCandidateFilter(CF_ALL);
+  ep2->allocator_->SetCandidateFilter(CF_ALL);
 
   // Use step delay 3s which is long enough for
   // connection to be established before managing to gather relay candidates.
   int delay = 3000;
   SetAllocationStepDelay(0, delay);
   SetAllocationStepDelay(1, delay);
-  IceConfig ice_config = CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+  IceConfig ice_config = CreateIceConfig(1000, GATHER_CONTINUALLY);
   CreateChannels(env, ice_config, ice_config);
 
   PauseCandidates(0);
@@ -7394,14 +7300,14 @@
 
   // We have gathered host candidates but not relay.
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1->saved_candidates_.size() == 2u &&
                    ep2->saved_candidates_.size() == 1u;
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   ResumeCandidates(0);
   ResumeCandidates(1);
@@ -7410,24 +7316,24 @@
   PauseCandidates(1);
 
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()->remote_candidates().size() == 1 &&
                    ep2_ch1()->remote_candidates().size() == 2;
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] {
             return ep1_ch1()->selected_connection() &&
                    ep2_ch1()->selected_connection();
           },
           IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   clock.AdvanceTime(TimeDelta::Millis(10 * delay));
 
@@ -7448,18 +7354,18 @@
   ScopedFakeClock clock;
   const Environment env = CreateEnvironment();
   AddAddress(0, kAlternateAddrs[0]);
-  ConfigureEndpoints(env, OPEN, OPEN, webrtc::kDefaultPortAllocatorFlags,
-                     webrtc::kDefaultPortAllocatorFlags);
+  ConfigureEndpoints(env, OPEN, OPEN, kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
 
   // gathers continually.
-  IceConfig config = CreateIceConfig(1000, webrtc::GATHER_CONTINUALLY);
+  IceConfig config = CreateIceConfig(1000, GATHER_CONTINUALLY);
   CreateChannels(env, config, config);
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   PauseCandidates(0);
 
@@ -7467,10 +7373,10 @@
   ep1_ch1()->MaybeStartGathering();
 
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return GetEndpoint(0)->saved_candidates_.size(); }, Gt(0),
           {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   for (const auto& cd : GetEndpoint(0)->saved_candidates_) {
     EXPECT_EQ(cd.candidate.username(), kIceUfrag[3]);
@@ -7511,10 +7417,10 @@
           [&](auto data, auto ack) { piggyback_data_received(data, ack); }));
     }
     EXPECT_THAT(
-        webrtc::WaitUntil(
+        WaitUntil(
             [&] { return CheckConnected(ep1_ch1(), ep2_ch1()); }, IsTrue(),
             {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock_}),
-        webrtc::IsRtcOk());
+        IsRtcOk());
     DestroyChannels();
   }
 
diff --git a/p2p/base/packet_transport_internal.h b/p2p/base/packet_transport_internal.h
index a326ce7..2418cf4 100644
--- a/p2p/base/packet_transport_internal.h
+++ b/p2p/base/packet_transport_internal.h
@@ -83,8 +83,8 @@
   // Callback is invoked each time a packet is received on this channel.
   void RegisterReceivedPacketCallback(
       void* id,
-      absl::AnyInvocable<void(webrtc::PacketTransportInternal*,
-                              const webrtc::ReceivedIpPacket&)> callback);
+      absl::AnyInvocable<void(PacketTransportInternal*,
+                              const ReceivedIpPacket&)> callback);
 
   void DeregisterReceivedPacketCallback(void* id);
 
diff --git a/p2p/base/port.h b/p2p/base/port.h
index 522fc93..b7dbe49 100644
--- a/p2p/base/port.h
+++ b/p2p/base/port.h
@@ -386,7 +386,7 @@
   void OnReadPacket(const ReceivedIpPacket& packet, ProtocolType proto);
 
   [[deprecated(
-      "Use OnReadPacket(const webrtc::ReceivedIpPacket& packet, ProtocolType "
+      "Use OnReadPacket(const ReceivedIpPacket& packet, ProtocolType "
       "proto)")]] void
   OnReadPacket(const char* data,
                size_t size,
diff --git a/p2p/base/port_allocator.h b/p2p/base/port_allocator.h
index 3b95772..997ddfb 100644
--- a/p2p/base/port_allocator.h
+++ b/p2p/base/port_allocator.h
@@ -548,7 +548,7 @@
   // Deprecated (by the next method).
   bool prune_turn_ports() const {
     CheckRunOnValidThreadIfInitialized();
-    return turn_port_prune_policy_ == webrtc::PRUNE_BASED_ON_PRIORITY;
+    return turn_port_prune_policy_ == PRUNE_BASED_ON_PRIORITY;
   }
 
   PortPrunePolicy turn_port_prune_policy() const {
@@ -619,7 +619,7 @@
   std::vector<RelayServerConfig> turn_servers_;
   int candidate_pool_size_ = 0;  // Last value passed into SetConfiguration.
   std::vector<std::unique_ptr<PortAllocatorSession>> pooled_sessions_;
-  PortPrunePolicy turn_port_prune_policy_ = webrtc::NO_PRUNE;
+  PortPrunePolicy turn_port_prune_policy_ = NO_PRUNE;
 
   // Customizer for TURN messages.
   // The instance is owned by application and will be shared among
diff --git a/p2p/base/port_interface.h b/p2p/base/port_interface.h
index 93a3a25..3d0b014 100644
--- a/p2p/base/port_interface.h
+++ b/p2p/base/port_interface.h
@@ -121,7 +121,7 @@
   // Signaled when this port decides to delete itself because it no longer has
   // any usefulness.
   virtual void SubscribePortDestroyed(
-      std::function<void(webrtc::PortInterface*)> callback) = 0;
+      std::function<void(PortInterface*)> callback) = 0;
 
   // Signaled when Port discovers ice role conflict with the peer.
   sigslot::signal1<PortInterface*> SignalRoleConflict;
diff --git a/p2p/base/port_unittest.cc b/p2p/base/port_unittest.cc
index 5bf4b43..a0b982d 100644
--- a/p2p/base/port_unittest.cc
+++ b/p2p/base/port_unittest.cc
@@ -105,10 +105,10 @@
 const SocketAddress kLocalAddr1("192.168.1.2", 0);
 const SocketAddress kLocalAddr2("192.168.1.3", 0);
 const SocketAddress kLinkLocalIPv6Addr("fe80::aabb:ccff:fedd:eeff", 0);
-const SocketAddress kNatAddr1("77.77.77.77", webrtc::NAT_SERVER_UDP_PORT);
-const SocketAddress kNatAddr2("88.88.88.88", webrtc::NAT_SERVER_UDP_PORT);
-const SocketAddress kStunAddr("99.99.99.1", webrtc::STUN_SERVER_PORT);
-const SocketAddress kTurnUdpIntAddr("99.99.99.4", webrtc::STUN_SERVER_PORT);
+const SocketAddress kNatAddr1("77.77.77.77", NAT_SERVER_UDP_PORT);
+const SocketAddress kNatAddr2("88.88.88.88", NAT_SERVER_UDP_PORT);
+const SocketAddress kStunAddr("99.99.99.1", STUN_SERVER_PORT);
+const SocketAddress kTurnUdpIntAddr("99.99.99.4", STUN_SERVER_PORT);
 const SocketAddress kTurnTcpIntAddr("99.99.99.4", 5010);
 const SocketAddress kTurnUdpExtAddr("99.99.99.5", 0);
 const RelayCredentials kRelayCredentials("test", "test");
@@ -190,7 +190,7 @@
     return true;
   }
 
-  virtual ProtocolType GetProtocol() const { return webrtc::PROTO_UDP; }
+  virtual ProtocolType GetProtocol() const { return PROTO_UDP; }
 
   // Exposed for testing candidate building.
   void AddCandidateAddress(const SocketAddress& addr) {
@@ -269,20 +269,18 @@
                                        TestPort* rport,
                                        ScopedFakeClock* clock,
                                        int64_t ms) {
-  lconn->Ping(webrtc::TimeMillis());
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, IsTrue(),
+  lconn->Ping(TimeMillis());
+  ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, IsTrue(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_GT(lport->last_stun_buf().size(), 0u);
   rconn->OnReadPacket(
       ReceivedIpPacket(lport->last_stun_buf(), SocketAddress(), std::nullopt));
 
   clock->AdvanceTime(TimeDelta::Millis(ms));
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return rport->last_stun_msg(); }, IsTrue(),
+  ASSERT_THAT(WaitUntil([&] { return rport->last_stun_msg(); }, IsTrue(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_GT(rport->last_stun_buf().size(), 0u);
   lconn->OnReadPacket(
       ReceivedIpPacket(rport->last_stun_buf(), SocketAddress(), std::nullopt));
@@ -309,10 +307,9 @@
   void CreateConnection(const Candidate& remote_candidate) {
     RTC_DCHECK(!conn_);
     conn_ = port_->CreateConnection(remote_candidate, Port::ORIGIN_MESSAGE);
-    IceMode remote_ice_mode = (ice_mode_ == webrtc::ICEMODE_FULL)
-                                  ? webrtc::ICEMODE_LITE
-                                  : webrtc::ICEMODE_FULL;
-    conn_->set_use_candidate_attr(remote_ice_mode == webrtc::ICEMODE_FULL);
+    IceMode remote_ice_mode =
+        (ice_mode_ == ICEMODE_FULL) ? ICEMODE_LITE : ICEMODE_FULL;
+    conn_->set_use_candidate_attr(remote_ice_mode == ICEMODE_FULL);
     conn_->SignalStateChange.connect(this,
                                      &TestChannel::OnConnectionStateChange);
     conn_->SignalDestroyed.connect(this, &TestChannel::OnDestroyed);
@@ -412,7 +409,7 @@
     connection_ready_to_send_ = true;
   }
 
-  IceMode ice_mode_ = webrtc::ICEMODE_FULL;
+  IceMode ice_mode_ = ICEMODE_FULL;
   std::unique_ptr<Port> port_;
 
   int complete_count_ = 0;
@@ -436,8 +433,8 @@
         nat_socket_factory2_(&nat_factory2_),
         stun_server_(TestStunServer::Create(ss_.get(), kStunAddr, main_)),
         turn_server_(&main_, ss_.get(), kTurnUdpIntAddr, kTurnUdpExtAddr),
-        username_(webrtc::CreateRandomString(ICE_UFRAG_LENGTH)),
-        password_(webrtc::CreateRandomString(ICE_PWD_LENGTH)),
+        username_(CreateRandomString(ICE_UFRAG_LENGTH)),
+        password_(CreateRandomString(ICE_PWD_LENGTH)),
         role_conflict_(false),
         ports_destroyed_(0) {}
 
@@ -453,84 +450,82 @@
 
   void TestLocalToLocal() {
     auto port1 = CreateUdpPort(kLocalAddr1);
-    port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+    port1->SetIceRole(ICEROLE_CONTROLLING);
     auto port2 = CreateUdpPort(kLocalAddr2);
-    port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+    port2->SetIceRole(ICEROLE_CONTROLLED);
     TestConnectivity("udp", std::move(port1), "udp", std::move(port2), true,
                      true, true, true);
   }
   void TestLocalToStun(NATType ntype) {
     auto port1 = CreateUdpPort(kLocalAddr1);
-    port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+    port1->SetIceRole(ICEROLE_CONTROLLING);
     nat_server2_ = CreateNatServer(kNatAddr2, ntype);
     auto port2 = CreateStunPort(kLocalAddr2, &nat_socket_factory2_);
-    port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+    port2->SetIceRole(ICEROLE_CONTROLLED);
     TestConnectivity("udp", std::move(port1), StunName(ntype), std::move(port2),
-                     ntype == webrtc::NAT_OPEN_CONE, true,
-                     ntype != webrtc::NAT_SYMMETRIC, true);
+                     ntype == NAT_OPEN_CONE, true, ntype != NAT_SYMMETRIC,
+                     true);
   }
   void TestLocalToRelay(ProtocolType proto) {
     auto port1 = CreateUdpPort(kLocalAddr1);
-    port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
-    auto port2 = CreateRelayPort(kLocalAddr2, proto, webrtc::PROTO_UDP);
-    port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+    port1->SetIceRole(ICEROLE_CONTROLLING);
+    auto port2 = CreateRelayPort(kLocalAddr2, proto, PROTO_UDP);
+    port2->SetIceRole(ICEROLE_CONTROLLED);
     TestConnectivity("udp", std::move(port1), RelayName(proto),
                      std::move(port2), false, true, true, true);
   }
   void TestStunToLocal(NATType ntype) {
     nat_server1_ = CreateNatServer(kNatAddr1, ntype);
     auto port1 = CreateStunPort(kLocalAddr1, &nat_socket_factory1_);
-    port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+    port1->SetIceRole(ICEROLE_CONTROLLING);
     auto port2 = CreateUdpPort(kLocalAddr2);
-    port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+    port2->SetIceRole(ICEROLE_CONTROLLED);
     TestConnectivity(StunName(ntype), std::move(port1), "udp", std::move(port2),
-                     true, ntype != webrtc::NAT_SYMMETRIC, true, true);
+                     true, ntype != NAT_SYMMETRIC, true, true);
   }
   void TestStunToStun(NATType ntype1, NATType ntype2) {
     nat_server1_ = CreateNatServer(kNatAddr1, ntype1);
     auto port1 = CreateStunPort(kLocalAddr1, &nat_socket_factory1_);
-    port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+    port1->SetIceRole(ICEROLE_CONTROLLING);
     nat_server2_ = CreateNatServer(kNatAddr2, ntype2);
     auto port2 = CreateStunPort(kLocalAddr2, &nat_socket_factory2_);
-    port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+    port2->SetIceRole(ICEROLE_CONTROLLED);
     TestConnectivity(StunName(ntype1), std::move(port1), StunName(ntype2),
-                     std::move(port2), ntype2 == webrtc::NAT_OPEN_CONE,
-                     ntype1 != webrtc::NAT_SYMMETRIC,
-                     ntype2 != webrtc::NAT_SYMMETRIC,
-                     ntype1 + ntype2 <
-                         (webrtc::NAT_PORT_RESTRICTED + webrtc::NAT_SYMMETRIC));
+                     std::move(port2), ntype2 == NAT_OPEN_CONE,
+                     ntype1 != NAT_SYMMETRIC, ntype2 != NAT_SYMMETRIC,
+                     ntype1 + ntype2 < (NAT_PORT_RESTRICTED + NAT_SYMMETRIC));
   }
   void TestStunToRelay(NATType ntype, ProtocolType proto) {
     nat_server1_ = CreateNatServer(kNatAddr1, ntype);
     auto port1 = CreateStunPort(kLocalAddr1, &nat_socket_factory1_);
-    port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
-    auto port2 = CreateRelayPort(kLocalAddr2, proto, webrtc::PROTO_UDP);
-    port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+    port1->SetIceRole(ICEROLE_CONTROLLING);
+    auto port2 = CreateRelayPort(kLocalAddr2, proto, PROTO_UDP);
+    port2->SetIceRole(ICEROLE_CONTROLLED);
     TestConnectivity(StunName(ntype), std::move(port1), RelayName(proto),
-                     std::move(port2), false, ntype != webrtc::NAT_SYMMETRIC,
-                     true, true);
+                     std::move(port2), false, ntype != NAT_SYMMETRIC, true,
+                     true);
   }
   void TestTcpToTcp() {
     auto port1 = CreateTcpPort(kLocalAddr1);
-    port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+    port1->SetIceRole(ICEROLE_CONTROLLING);
     auto port2 = CreateTcpPort(kLocalAddr2);
-    port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+    port2->SetIceRole(ICEROLE_CONTROLLED);
     TestConnectivity("tcp", std::move(port1), "tcp", std::move(port2), true,
                      false, true, true);
   }
   void TestTcpToRelay(ProtocolType proto) {
     auto port1 = CreateTcpPort(kLocalAddr1);
-    port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
-    auto port2 = CreateRelayPort(kLocalAddr2, proto, webrtc::PROTO_TCP);
-    port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+    port1->SetIceRole(ICEROLE_CONTROLLING);
+    auto port2 = CreateRelayPort(kLocalAddr2, proto, PROTO_TCP);
+    port2->SetIceRole(ICEROLE_CONTROLLED);
     TestConnectivity("tcp", std::move(port1), RelayName(proto),
                      std::move(port2), false, false, true, true);
   }
   void TestSslTcpToRelay(ProtocolType proto) {
     auto port1 = CreateTcpPort(kLocalAddr1);
-    port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
-    auto port2 = CreateRelayPort(kLocalAddr2, proto, webrtc::PROTO_SSLTCP);
-    port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+    port1->SetIceRole(ICEROLE_CONTROLLING);
+    auto port2 = CreateRelayPort(kLocalAddr2, proto, PROTO_SSLTCP);
+    port2->SetIceRole(ICEROLE_CONTROLLED);
     TestConnectivity("ssltcp", std::move(port1), RelayName(proto),
                      std::move(port2), false, false, true, true);
   }
@@ -544,7 +539,7 @@
   Network* MakeNetworkMultipleAddrs(const SocketAddress& global_addr,
                                     const SocketAddress& link_local_addr) {
     networks_.emplace_back("unittest", "unittest", global_addr.ipaddr(), 32,
-                           webrtc::ADAPTER_TYPE_UNKNOWN);
+                           ADAPTER_TYPE_UNKNOWN);
     networks_.back().AddIP(link_local_addr.ipaddr());
     networks_.back().AddIP(global_addr.ipaddr());
     networks_.back().AddIP(link_local_addr.ipaddr());
@@ -623,7 +618,7 @@
                                            ProtocolType int_proto,
                                            ProtocolType ext_proto) {
     SocketAddress server_addr =
-        int_proto == webrtc::PROTO_TCP ? kTurnTcpIntAddr : kTurnUdpIntAddr;
+        int_proto == PROTO_TCP ? kTurnTcpIntAddr : kTurnUdpIntAddr;
     return CreateTurnPort(addr, socket_factory, int_proto, ext_proto,
                           server_addr);
   }
@@ -656,13 +651,13 @@
   }
   static const char* StunName(NATType type) {
     switch (type) {
-      case webrtc::NAT_OPEN_CONE:
+      case NAT_OPEN_CONE:
         return "stun(open cone)";
-      case webrtc::NAT_ADDR_RESTRICTED:
+      case NAT_ADDR_RESTRICTED:
         return "stun(addr restricted)";
-      case webrtc::NAT_PORT_RESTRICTED:
+      case NAT_PORT_RESTRICTED:
         return "stun(port restricted)";
-      case webrtc::NAT_SYMMETRIC:
+      case NAT_SYMMETRIC:
         return "stun(symmetric)";
       default:
         return "stun(?)";
@@ -670,13 +665,13 @@
   }
   static const char* RelayName(ProtocolType proto) {
     switch (proto) {
-      case webrtc::PROTO_UDP:
+      case PROTO_UDP:
         return "turn(udp)";
-      case webrtc::PROTO_TCP:
+      case PROTO_TCP:
         return "turn(tcp)";
-      case webrtc::PROTO_SSLTCP:
+      case PROTO_SSLTCP:
         return "turn(ssltcp)";
-      case webrtc::PROTO_TLS:
+      case PROTO_TLS:
         return "turn(tls)";
       default:
         return "turn(?)";
@@ -702,21 +697,19 @@
   // TCP reconnecting mechanism before entering this function.
   void ConnectStartedChannels(TestChannel* ch1, TestChannel* ch2) {
     ASSERT_TRUE(ch1->conn());
-    EXPECT_THAT(
-        webrtc::WaitUntil([&] { return ch1->conn()->connected(); }, IsTrue(),
+    EXPECT_THAT(WaitUntil([&] { return ch1->conn()->connected(); }, IsTrue(),
                           {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-        webrtc::IsRtcOk());  // for TCP connect
+                IsRtcOk());  // for TCP connect
     ch1->Ping();
     WAIT(!ch2->remote_address().IsNil(), kShortTimeout);
 
     // Send a ping from dst to src.
     ch2->AcceptConnection(GetCandidate(ch1->port()));
     ch2->Ping();
-    EXPECT_THAT(
-        webrtc::WaitUntil([&] { return ch2->conn()->write_state(); },
+    EXPECT_THAT(WaitUntil([&] { return ch2->conn()->write_state(); },
                           Eq(Connection::STATE_WRITABLE),
                           {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-        webrtc::IsRtcOk());
+                IsRtcOk());
   }
 
   // This connects and disconnects the provided channels in the same sequence as
@@ -745,14 +738,12 @@
                                  tcp_conn2->socket()->GetLocalAddress()));
 
     // Wait for both OnClose are delivered.
-    EXPECT_THAT(
-        webrtc::WaitUntil([&] { return !ch1->conn()->connected(); }, IsTrue(),
+    EXPECT_THAT(WaitUntil([&] { return !ch1->conn()->connected(); }, IsTrue(),
                           {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-        webrtc::IsRtcOk());
-    EXPECT_THAT(
-        webrtc::WaitUntil([&] { return !ch2->conn()->connected(); }, IsTrue(),
+                IsRtcOk());
+    EXPECT_THAT(WaitUntil([&] { return !ch2->conn()->connected(); }, IsTrue(),
                           {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-        webrtc::IsRtcOk());
+                IsRtcOk());
 
     // Ensure redundant SignalClose events on TcpConnection won't break tcp
     // reconnection. Chromium will fire SignalClose for all outstanding IPC
@@ -763,18 +754,17 @@
     // Speed up destroying ch2's connection such that the test is ready to
     // accept a new connection from ch1 before ch1's connection destroys itself.
     ch2->Stop();
-    EXPECT_THAT(
-        webrtc::WaitUntil([&] { return ch2->conn(); }, IsNull(),
+    EXPECT_THAT(WaitUntil([&] { return ch2->conn(); }, IsNull(),
                           {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-        webrtc::IsRtcOk());
+                IsRtcOk());
   }
 
   void TestTcpReconnect(bool ping_after_disconnected,
                         bool send_after_disconnected) {
     auto port1 = CreateTcpPort(kLocalAddr1);
-    port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+    port1->SetIceRole(ICEROLE_CONTROLLING);
     auto port2 = CreateTcpPort(kLocalAddr2);
-    port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+    port2->SetIceRole(ICEROLE_CONTROLLED);
 
     port1->set_component(ICE_CANDIDATE_COMPONENT_DEFAULT);
     port2->set_component(ICE_CANDIDATE_COMPONENT_DEFAULT);
@@ -787,14 +777,12 @@
 
     ch1.Start();
     ch2.Start();
-    ASSERT_THAT(
-        webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+    ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
                           {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-        webrtc::IsRtcOk());
-    ASSERT_THAT(
-        webrtc::WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
+                IsRtcOk());
+    ASSERT_THAT(WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
                           {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-        webrtc::IsRtcOk());
+                IsRtcOk());
 
     // Initial connecting the channel, create connection on channel1.
     ch1.CreateConnection(GetCandidate(ch2.port()));
@@ -827,17 +815,16 @@
       }
 
       // Wait for channel's outgoing TCPConnection connected.
-      EXPECT_THAT(
-          webrtc::WaitUntil([&] { return ch1.conn()->connected(); }, IsTrue(),
+      EXPECT_THAT(WaitUntil([&] { return ch1.conn()->connected(); }, IsTrue(),
                             {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-          webrtc::IsRtcOk());
+                  IsRtcOk());
 
       // Verify that we could still connect channels.
       ConnectStartedChannels(&ch1, &ch2);
-      EXPECT_THAT(webrtc::WaitUntil(
-                      [&] { return ch1.connection_ready_to_send(); }, IsTrue(),
-                      {.timeout = TimeDelta::Millis(kTcpReconnectTimeout)}),
-                  webrtc::IsRtcOk());
+      EXPECT_THAT(
+          WaitUntil([&] { return ch1.connection_ready_to_send(); }, IsTrue(),
+                    {.timeout = TimeDelta::Millis(kTcpReconnectTimeout)}),
+          IsRtcOk());
       // Channel2 is the passive one so a new connection is created during
       // reconnect. This new connection should never have issued ENOTCONN
       // hence the connection_ready_to_send() should be false.
@@ -846,25 +833,22 @@
       EXPECT_EQ(ch1.conn()->write_state(), Connection::STATE_WRITABLE);
       // Since the reconnection never happens, the connections should have been
       // destroyed after the timeout.
-      EXPECT_THAT(
-          webrtc::WaitUntil([&] { return !ch1.conn(); }, IsTrue(),
+      EXPECT_THAT(WaitUntil([&] { return !ch1.conn(); }, IsTrue(),
                             {.timeout = TimeDelta::Millis(kTcpReconnectTimeout +
                                                           kDefaultTimeout)}),
-          webrtc::IsRtcOk());
+                  IsRtcOk());
       EXPECT_TRUE(!ch2.conn());
     }
 
     // Tear down and ensure that goes smoothly.
     ch1.Stop();
     ch2.Stop();
-    EXPECT_THAT(
-        webrtc::WaitUntil([&] { return ch1.conn(); }, IsNull(),
+    EXPECT_THAT(WaitUntil([&] { return ch1.conn(); }, IsNull(),
                           {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-        webrtc::IsRtcOk());
-    EXPECT_THAT(
-        webrtc::WaitUntil([&] { return ch2.conn(); }, IsNull(),
+                IsRtcOk());
+    EXPECT_THAT(WaitUntil([&] { return ch2.conn(); }, IsNull(),
                           {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-        webrtc::IsRtcOk());
+                IsRtcOk());
   }
 
   std::unique_ptr<IceMessage> CreateStunMessage(StunMessageType type) {
@@ -904,7 +888,7 @@
     port->SetIceTiebreaker(tiebreaker);
     return port;
   }
-  // Overload to create a test port given an webrtc::Network directly.
+  // Overload to create a test port given an Network directly.
   std::unique_ptr<TestPort> CreateTestPort(const Network* network,
                                            absl::string_view username,
                                            absl::string_view password) {
@@ -981,23 +965,22 @@
   // Acquire addresses.
   ch1.Start();
   ch2.Start();
-  ASSERT_THAT(webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
-  ASSERT_THAT(webrtc::WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
 
   // Send a ping from src to dst. This may or may not make it.
   ch1.CreateConnection(GetCandidate(ch2.port()));
   ASSERT_TRUE(ch1.conn() != nullptr);
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ch1.conn()->connected(); }, IsTrue(),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());  // for TCP connect
+  EXPECT_THAT(WaitUntil([&] { return ch1.conn()->connected(); }, IsTrue(),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());  // for TCP connect
   ch1.Ping();
   SIMULATED_WAIT(!ch2.remote_address().IsNil(), kShortTimeout, clock);
 
@@ -1017,12 +1000,11 @@
     ch2.AcceptConnection(GetCandidate(ch1.port()));
     ASSERT_TRUE(ch2.conn() != nullptr);
     ch2.Ping();
-    EXPECT_THAT(
-        webrtc::WaitUntil(
-            [&] { return ch2.conn()->write_state(); },
-            Eq(Connection::STATE_WRITABLE),
-            {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-        webrtc::IsRtcOk());
+    EXPECT_THAT(WaitUntil([&] { return ch2.conn()->write_state(); },
+                          Eq(Connection::STATE_WRITABLE),
+                          {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                           .clock = &clock}),
+                IsRtcOk());
   } else {
     // We can't send a ping from src to dst, so flip it around. This will happen
     // when the destination NAT is addr/port restricted or symmetric.
@@ -1045,12 +1027,11 @@
       // through.  So we will have to do another.
       if (ch1.conn()->write_state() == Connection::STATE_WRITE_INIT) {
         ch1.Ping();
-        EXPECT_THAT(
-            webrtc::WaitUntil([&] { return ch1.conn()->write_state(); },
+        EXPECT_THAT(WaitUntil([&] { return ch1.conn()->write_state(); },
                               Eq(Connection::STATE_WRITABLE),
                               {.timeout = TimeDelta::Millis(kDefaultTimeout),
                                .clock = &clock}),
-            webrtc::IsRtcOk());
+                    IsRtcOk());
       }
     } else if (!same_addr1 && possible) {
       // The new ping went to the candidate address, but that address was bad.
@@ -1062,10 +1043,10 @@
       // able to get a ping from it. This gives us the real source address.
       ch1.Ping();
       EXPECT_THAT(
-          webrtc::WaitUntil(
+          WaitUntil(
               [&] { return !ch2.remote_address().IsNil(); }, IsTrue(),
               {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-          webrtc::IsRtcOk());
+          IsRtcOk());
       EXPECT_FALSE(ch2.conn()->receiving());
       EXPECT_TRUE(ch1.remote_address().IsNil());
 
@@ -1073,12 +1054,11 @@
       ch2.AcceptConnection(GetCandidate(ch1.port()));
       ASSERT_TRUE(ch2.conn() != nullptr);
       ch2.Ping();
-      EXPECT_THAT(
-          webrtc::WaitUntil(
-              [&] { return ch2.conn()->write_state(); },
-              Eq(Connection::STATE_WRITABLE),
-              {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-          webrtc::IsRtcOk());
+      EXPECT_THAT(WaitUntil([&] { return ch2.conn()->write_state(); },
+                            Eq(Connection::STATE_WRITABLE),
+                            {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                             .clock = &clock}),
+                  IsRtcOk());
     } else if (!same_addr2 && possible) {
       // The new ping came in, but from an unexpected address. This will happen
       // when the destination NAT is symmetric.
@@ -1088,12 +1068,11 @@
       // Update our address and complete the connection.
       ch1.AcceptConnection(GetCandidate(ch2.port()));
       ch1.Ping();
-      EXPECT_THAT(
-          webrtc::WaitUntil(
-              [&] { return ch1.conn()->write_state(); },
-              Eq(Connection::STATE_WRITABLE),
-              {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-          webrtc::IsRtcOk());
+      EXPECT_THAT(WaitUntil([&] { return ch1.conn()->write_state(); },
+                            Eq(Connection::STATE_WRITABLE),
+                            {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                             .clock = &clock}),
+                  IsRtcOk());
     } else {  // (!possible)
       // There should be s no way for the pings to reach each other. Check it.
       EXPECT_TRUE(ch1.remote_address().IsNil());
@@ -1123,14 +1102,14 @@
   // Tear down and ensure that goes smoothly.
   ch1.Stop();
   ch2.Stop();
-  EXPECT_THAT(webrtc::WaitUntil([&] { return ch1.conn(); }, IsNull(),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
-  EXPECT_THAT(webrtc::WaitUntil([&] { return ch2.conn(); }, IsNull(),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch1.conn(); }, IsNull(),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch2.conn(); }, IsNull(),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
 }
 
 class FakePacketSocketFactory : public PacketSocketFactory {
@@ -1258,127 +1237,127 @@
 }
 
 TEST_F(PortTest, TestLocalToConeNat) {
-  TestLocalToStun(webrtc::NAT_OPEN_CONE);
+  TestLocalToStun(NAT_OPEN_CONE);
 }
 
 TEST_F(PortTest, TestLocalToARNat) {
-  TestLocalToStun(webrtc::NAT_ADDR_RESTRICTED);
+  TestLocalToStun(NAT_ADDR_RESTRICTED);
 }
 
 TEST_F(PortTest, TestLocalToPRNat) {
-  TestLocalToStun(webrtc::NAT_PORT_RESTRICTED);
+  TestLocalToStun(NAT_PORT_RESTRICTED);
 }
 
 TEST_F(PortTest, TestLocalToSymNat) {
-  TestLocalToStun(webrtc::NAT_SYMMETRIC);
+  TestLocalToStun(NAT_SYMMETRIC);
 }
 
 // Flaky: https://code.google.com/p/webrtc/issues/detail?id=3316.
 TEST_F(PortTest, DISABLED_TestLocalToTurn) {
-  TestLocalToRelay(webrtc::PROTO_UDP);
+  TestLocalToRelay(PROTO_UDP);
 }
 
 // Cone NAT -> XXXX
 TEST_F(PortTest, TestConeNatToLocal) {
-  TestStunToLocal(webrtc::NAT_OPEN_CONE);
+  TestStunToLocal(NAT_OPEN_CONE);
 }
 
 TEST_F(PortTest, TestConeNatToConeNat) {
-  TestStunToStun(webrtc::NAT_OPEN_CONE, webrtc::NAT_OPEN_CONE);
+  TestStunToStun(NAT_OPEN_CONE, NAT_OPEN_CONE);
 }
 
 TEST_F(PortTest, TestConeNatToARNat) {
-  TestStunToStun(webrtc::NAT_OPEN_CONE, webrtc::NAT_ADDR_RESTRICTED);
+  TestStunToStun(NAT_OPEN_CONE, NAT_ADDR_RESTRICTED);
 }
 
 TEST_F(PortTest, TestConeNatToPRNat) {
-  TestStunToStun(webrtc::NAT_OPEN_CONE, webrtc::NAT_PORT_RESTRICTED);
+  TestStunToStun(NAT_OPEN_CONE, NAT_PORT_RESTRICTED);
 }
 
 TEST_F(PortTest, TestConeNatToSymNat) {
-  TestStunToStun(webrtc::NAT_OPEN_CONE, webrtc::NAT_SYMMETRIC);
+  TestStunToStun(NAT_OPEN_CONE, NAT_SYMMETRIC);
 }
 
 TEST_F(PortTest, TestConeNatToTurn) {
-  TestStunToRelay(webrtc::NAT_OPEN_CONE, webrtc::PROTO_UDP);
+  TestStunToRelay(NAT_OPEN_CONE, PROTO_UDP);
 }
 
 // Address-restricted NAT -> XXXX
 TEST_F(PortTest, TestARNatToLocal) {
-  TestStunToLocal(webrtc::NAT_ADDR_RESTRICTED);
+  TestStunToLocal(NAT_ADDR_RESTRICTED);
 }
 
 TEST_F(PortTest, TestARNatToConeNat) {
-  TestStunToStun(webrtc::NAT_ADDR_RESTRICTED, webrtc::NAT_OPEN_CONE);
+  TestStunToStun(NAT_ADDR_RESTRICTED, NAT_OPEN_CONE);
 }
 
 TEST_F(PortTest, TestARNatToARNat) {
-  TestStunToStun(webrtc::NAT_ADDR_RESTRICTED, webrtc::NAT_ADDR_RESTRICTED);
+  TestStunToStun(NAT_ADDR_RESTRICTED, NAT_ADDR_RESTRICTED);
 }
 
 TEST_F(PortTest, TestARNatToPRNat) {
-  TestStunToStun(webrtc::NAT_ADDR_RESTRICTED, webrtc::NAT_PORT_RESTRICTED);
+  TestStunToStun(NAT_ADDR_RESTRICTED, NAT_PORT_RESTRICTED);
 }
 
 TEST_F(PortTest, TestARNatToSymNat) {
-  TestStunToStun(webrtc::NAT_ADDR_RESTRICTED, webrtc::NAT_SYMMETRIC);
+  TestStunToStun(NAT_ADDR_RESTRICTED, NAT_SYMMETRIC);
 }
 
 TEST_F(PortTest, TestARNatToTurn) {
-  TestStunToRelay(webrtc::NAT_ADDR_RESTRICTED, webrtc::PROTO_UDP);
+  TestStunToRelay(NAT_ADDR_RESTRICTED, PROTO_UDP);
 }
 
 // Port-restricted NAT -> XXXX
 TEST_F(PortTest, TestPRNatToLocal) {
-  TestStunToLocal(webrtc::NAT_PORT_RESTRICTED);
+  TestStunToLocal(NAT_PORT_RESTRICTED);
 }
 
 TEST_F(PortTest, TestPRNatToConeNat) {
-  TestStunToStun(webrtc::NAT_PORT_RESTRICTED, webrtc::NAT_OPEN_CONE);
+  TestStunToStun(NAT_PORT_RESTRICTED, NAT_OPEN_CONE);
 }
 
 TEST_F(PortTest, TestPRNatToARNat) {
-  TestStunToStun(webrtc::NAT_PORT_RESTRICTED, webrtc::NAT_ADDR_RESTRICTED);
+  TestStunToStun(NAT_PORT_RESTRICTED, NAT_ADDR_RESTRICTED);
 }
 
 TEST_F(PortTest, TestPRNatToPRNat) {
-  TestStunToStun(webrtc::NAT_PORT_RESTRICTED, webrtc::NAT_PORT_RESTRICTED);
+  TestStunToStun(NAT_PORT_RESTRICTED, NAT_PORT_RESTRICTED);
 }
 
 TEST_F(PortTest, TestPRNatToSymNat) {
   // Will "fail"
-  TestStunToStun(webrtc::NAT_PORT_RESTRICTED, webrtc::NAT_SYMMETRIC);
+  TestStunToStun(NAT_PORT_RESTRICTED, NAT_SYMMETRIC);
 }
 
 TEST_F(PortTest, TestPRNatToTurn) {
-  TestStunToRelay(webrtc::NAT_PORT_RESTRICTED, webrtc::PROTO_UDP);
+  TestStunToRelay(NAT_PORT_RESTRICTED, PROTO_UDP);
 }
 
 // Symmetric NAT -> XXXX
 TEST_F(PortTest, TestSymNatToLocal) {
-  TestStunToLocal(webrtc::NAT_SYMMETRIC);
+  TestStunToLocal(NAT_SYMMETRIC);
 }
 
 TEST_F(PortTest, TestSymNatToConeNat) {
-  TestStunToStun(webrtc::NAT_SYMMETRIC, webrtc::NAT_OPEN_CONE);
+  TestStunToStun(NAT_SYMMETRIC, NAT_OPEN_CONE);
 }
 
 TEST_F(PortTest, TestSymNatToARNat) {
-  TestStunToStun(webrtc::NAT_SYMMETRIC, webrtc::NAT_ADDR_RESTRICTED);
+  TestStunToStun(NAT_SYMMETRIC, NAT_ADDR_RESTRICTED);
 }
 
 TEST_F(PortTest, TestSymNatToPRNat) {
   // Will "fail"
-  TestStunToStun(webrtc::NAT_SYMMETRIC, webrtc::NAT_PORT_RESTRICTED);
+  TestStunToStun(NAT_SYMMETRIC, NAT_PORT_RESTRICTED);
 }
 
 TEST_F(PortTest, TestSymNatToSymNat) {
   // Will "fail"
-  TestStunToStun(webrtc::NAT_SYMMETRIC, webrtc::NAT_SYMMETRIC);
+  TestStunToStun(NAT_SYMMETRIC, NAT_SYMMETRIC);
 }
 
 TEST_F(PortTest, TestSymNatToTurn) {
-  TestStunToRelay(webrtc::NAT_SYMMETRIC, webrtc::PROTO_UDP);
+  TestStunToRelay(NAT_SYMMETRIC, PROTO_UDP);
 }
 
 // Outbound TCP -> XXXX
@@ -1402,7 +1381,7 @@
 // destroy the connection.
 TEST_F(PortTest, TestTcpNeverConnect) {
   auto port1 = CreateTcpPort(kLocalAddr1);
-  port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  port1->SetIceRole(ICEROLE_CONTROLLING);
   port1->set_component(ICE_CANDIDATE_COMPONENT_DEFAULT);
 
   // Set up a channel and ensure the port will be deleted.
@@ -1410,10 +1389,9 @@
   EXPECT_EQ(0, ch1.complete_count());
 
   ch1.Start();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   std::unique_ptr<Socket> server(
       vss()->CreateSocket(kLocalAddr2.family(), SOCK_STREAM));
@@ -1425,10 +1403,9 @@
 
   ch1.CreateConnection(c);
   EXPECT_TRUE(ch1.conn());
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return !ch1.conn(); }, IsTrue(),
+  EXPECT_THAT(WaitUntil([&] { return !ch1.conn(); }, IsTrue(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());  // for TCP connect
+              IsRtcOk());  // for TCP connect
 }
 
 /* TODO(?): Enable these once testrelayserver can accept external TCP.
@@ -1463,19 +1440,17 @@
   // Acquire address.
   ch1.Start();
   ch2.Start();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
+              IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Test case that the connection has never received anything.
-  int64_t before_created = webrtc::TimeMillis();
+  int64_t before_created = TimeMillis();
   ch1.CreateConnection(GetCandidate(ch2.port()));
-  int64_t after_created = webrtc::TimeMillis();
+  int64_t after_created = TimeMillis();
   Connection* conn = ch1.conn();
   ASSERT_NE(conn, nullptr);
   // It is not dead if it is after MIN_CONNECTION_LIFETIME but not pruned.
@@ -1489,29 +1464,27 @@
   EXPECT_TRUE(ch1.conn() != nullptr);
   // It will be dead after MIN_CONNECTION_LIFETIME and pruned.
   conn->UpdateState(after_created + MIN_CONNECTION_LIFETIME + 1);
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch1.conn(); }, Eq(nullptr),
+  EXPECT_THAT(WaitUntil([&] { return ch1.conn(); }, Eq(nullptr),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Test case that the connection has received something.
   // Create a connection again and receive a ping.
   ch1.CreateConnection(GetCandidate(ch2.port()));
   conn = ch1.conn();
   ASSERT_NE(conn, nullptr);
-  int64_t before_last_receiving = webrtc::TimeMillis();
+  int64_t before_last_receiving = TimeMillis();
   conn->ReceivedPing();
-  int64_t after_last_receiving = webrtc::TimeMillis();
+  int64_t after_last_receiving = TimeMillis();
   // The connection will be dead after DEAD_CONNECTION_RECEIVE_TIMEOUT
   conn->UpdateState(before_last_receiving + DEAD_CONNECTION_RECEIVE_TIMEOUT -
                     1);
   Thread::Current()->ProcessMessages(100);
   EXPECT_TRUE(ch1.conn() != nullptr);
   conn->UpdateState(after_last_receiving + DEAD_CONNECTION_RECEIVE_TIMEOUT + 1);
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch1.conn(); }, Eq(nullptr),
+  EXPECT_THAT(WaitUntil([&] { return ch1.conn(); }, Eq(nullptr),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 }
 
 TEST_F(PortTest, TestConnectionDeadWithDeadConnectionTimeout) {
@@ -1520,14 +1493,12 @@
   // Acquire address.
   ch1.Start();
   ch2.Start();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
+              IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Note: set field trials manually since they are parsed by
   // P2PTransportChannel but P2PTransportChannel is not used in this test.
@@ -1540,26 +1511,25 @@
   conn->SetIceFieldTrials(&field_trials);
 
   ASSERT_NE(conn, nullptr);
-  int64_t before_last_receiving = webrtc::TimeMillis();
+  int64_t before_last_receiving = TimeMillis();
   conn->ReceivedPing();
-  int64_t after_last_receiving = webrtc::TimeMillis();
+  int64_t after_last_receiving = TimeMillis();
   // The connection will be dead after 90s
   conn->UpdateState(before_last_receiving + 90000 - 1);
   Thread::Current()->ProcessMessages(100);
   EXPECT_TRUE(ch1.conn() != nullptr);
   conn->UpdateState(after_last_receiving + 90000 + 1);
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch1.conn(); }, Eq(nullptr),
+  EXPECT_THAT(WaitUntil([&] { return ch1.conn(); }, Eq(nullptr),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 }
 
 TEST_F(PortTest, TestConnectionDeadOutstandingPing) {
   auto port1 = CreateUdpPort(kLocalAddr1);
-  port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  port1->SetIceRole(ICEROLE_CONTROLLING);
   port1->SetIceTiebreaker(kTiebreaker1);
   auto port2 = CreateUdpPort(kLocalAddr2);
-  port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  port2->SetIceRole(ICEROLE_CONTROLLED);
   port2->SetIceTiebreaker(kTiebreaker2);
 
   TestChannel ch1(std::move(port1));
@@ -1567,14 +1537,12 @@
   // Acquire address.
   ch1.Start();
   ch2.Start();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
+              IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Note: set field trials manually since they are parsed by
   // P2PTransportChannel but P2PTransportChannel is not used in this test.
@@ -1589,7 +1557,7 @@
 
   ASSERT_NE(conn, nullptr);
   conn->ReceivedPing();
-  int64_t send_ping_timestamp = webrtc::TimeMillis();
+  int64_t send_ping_timestamp = TimeMillis();
   conn->Ping(send_ping_timestamp);
 
   // The connection will be dead 30s after the ping was sent.
@@ -1597,10 +1565,9 @@
   Thread::Current()->ProcessMessages(100);
   EXPECT_TRUE(ch1.conn() != nullptr);
   conn->UpdateState(send_ping_timestamp + DEAD_CONNECTION_RECEIVE_TIMEOUT + 1);
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch1.conn(); }, Eq(nullptr),
+  EXPECT_THAT(WaitUntil([&] { return ch1.conn(); }, Eq(nullptr),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 }
 
 // This test case verifies standard ICE features in STUN messages. Currently it
@@ -1608,10 +1575,10 @@
 // binding request will have colon (":") between remote and local username.
 TEST_F(PortTest, TestLocalToLocalStandard) {
   auto port1 = CreateUdpPort(kLocalAddr1);
-  port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  port1->SetIceRole(ICEROLE_CONTROLLING);
   port1->SetIceTiebreaker(kTiebreaker1);
   auto port2 = CreateUdpPort(kLocalAddr2);
-  port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  port2->SetIceRole(ICEROLE_CONTROLLED);
   port2->SetIceTiebreaker(kTiebreaker2);
   // Same parameters as TestLocalToLocal above.
   TestConnectivity("udp", std::move(port1), "udp", std::move(port2), true, true,
@@ -1624,7 +1591,7 @@
 // must be in controlling.
 TEST_F(PortTest, TestLoopbackCall) {
   auto lport = CreateTestPort(kLocalAddr1, "lfrag", "lpass");
-  lport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  lport->SetIceRole(ICEROLE_CONTROLLING);
   lport->SetIceTiebreaker(kTiebreaker1);
   lport->PrepareAddress();
   ASSERT_FALSE(lport->Candidates().empty());
@@ -1632,18 +1599,16 @@
       lport->CreateConnection(lport->Candidates()[0], Port::ORIGIN_MESSAGE);
   conn->Ping(0);
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   IceMessage* msg = lport->last_stun_msg();
   EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
   conn->OnReadPacket(
       ReceivedIpPacket(lport->last_stun_buf(), SocketAddress(), std::nullopt));
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   msg = lport->last_stun_msg();
   EXPECT_EQ(STUN_BINDING_RESPONSE, msg->type());
 
@@ -1656,10 +1621,9 @@
       lport->CreateConnection(lport->Candidates()[1], Port::ORIGIN_MESSAGE);
   conn1->Ping(0);
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   msg = lport->last_stun_msg();
   EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
   std::unique_ptr<IceMessage> modified_req(
@@ -1681,10 +1645,9 @@
   conn1->OnReadPacket(ReceivedIpPacket::CreateFromLegacy(
       reinterpret_cast<const char*>(buf->Data()), buf->Length(),
       /*packet_time_us=*/-1));
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   msg = lport->last_stun_msg();
   EXPECT_EQ(STUN_BINDING_ERROR_RESPONSE, msg->type());
 }
@@ -1696,10 +1659,10 @@
 // send role conflict signal.
 TEST_F(PortTest, TestIceRoleConflict) {
   auto lport = CreateTestPort(kLocalAddr1, "lfrag", "lpass");
-  lport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  lport->SetIceRole(ICEROLE_CONTROLLING);
   lport->SetIceTiebreaker(kTiebreaker1);
   auto rport = CreateTestPort(kLocalAddr2, "rfrag", "rpass");
-  rport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  rport->SetIceRole(ICEROLE_CONTROLLING);
   rport->SetIceTiebreaker(kTiebreaker2);
 
   lport->PrepareAddress();
@@ -1712,20 +1675,18 @@
       rport->CreateConnection(lport->Candidates()[0], Port::ORIGIN_MESSAGE);
   rconn->Ping(0);
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return rport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return rport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   IceMessage* msg = rport->last_stun_msg();
   EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
   // Send rport binding request to lport.
   lconn->OnReadPacket(
       ReceivedIpPacket(rport->last_stun_buf(), SocketAddress(), std::nullopt));
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(STUN_BINDING_RESPONSE, lport->last_stun_msg()->type());
   EXPECT_TRUE(role_conflict());
 }
@@ -1733,14 +1694,14 @@
 TEST_F(PortTest, TestTcpNoDelay) {
   ScopedFakeClock clock;
   auto port1 = CreateTcpPort(kLocalAddr1);
-  port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  port1->SetIceRole(ICEROLE_CONTROLLING);
   int option_value = -1;
   int success = port1->GetOption(Socket::OPT_NODELAY, &option_value);
   ASSERT_EQ(0, success);  // GetOption() should complete successfully w/ 0
   EXPECT_EQ(1, option_value);
 
   auto port2 = CreateTcpPort(kLocalAddr2);
-  port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  port2->SetIceRole(ICEROLE_CONTROLLED);
 
   // Set up a connection, and verify that option is set on connected sockets at
   // both ends.
@@ -1749,22 +1710,21 @@
   // Acquire addresses.
   ch1.Start();
   ch2.Start();
-  ASSERT_THAT(webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
-  ASSERT_THAT(webrtc::WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   // Connect and send a ping from src to dst.
   ch1.CreateConnection(GetCandidate(ch2.port()));
   ASSERT_TRUE(ch1.conn() != nullptr);
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ch1.conn()->connected(); }, IsTrue(),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());  // for TCP connect
+  EXPECT_THAT(WaitUntil([&] { return ch1.conn()->connected(); }, IsTrue(),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());  // for TCP connect
   ch1.Ping();
   SIMULATED_WAIT(!ch2.remote_address().IsNil(), kShortTimeout, clock);
 
@@ -1817,9 +1777,9 @@
   lsocket->Bind(kLocalAddr1);
   rsocket->Bind(kLocalAddr2);
 
-  lport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  lport->SetIceRole(ICEROLE_CONTROLLING);
   lport->SetIceTiebreaker(kTiebreaker1);
-  rport->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  rport->SetIceRole(ICEROLE_CONTROLLED);
   rport->SetIceTiebreaker(kTiebreaker2);
 
   lport->PrepareAddress();
@@ -1997,16 +1957,16 @@
   EXPECT_EQ(0, stunport->SetOption(Socket::OPT_DSCP, DSCP_AF41));
   EXPECT_EQ(0, stunport->GetOption(Socket::OPT_DSCP, &dscp));
   EXPECT_EQ(DSCP_AF41, dscp);
-  auto turnport1 = CreateTurnPort(kLocalAddr1, nat_socket_factory1(),
-                                  webrtc::PROTO_UDP, webrtc::PROTO_UDP);
+  auto turnport1 =
+      CreateTurnPort(kLocalAddr1, nat_socket_factory1(), PROTO_UDP, PROTO_UDP);
   // Socket is created in PrepareAddress.
   turnport1->PrepareAddress();
   EXPECT_EQ(0, turnport1->SetOption(Socket::OPT_DSCP, DSCP_CS7));
   EXPECT_EQ(0, turnport1->GetOption(Socket::OPT_DSCP, &dscp));
   EXPECT_EQ(DSCP_CS7, dscp);
   // This will verify correct value returned without the socket.
-  auto turnport2 = CreateTurnPort(kLocalAddr1, nat_socket_factory1(),
-                                  webrtc::PROTO_UDP, webrtc::PROTO_UDP);
+  auto turnport2 =
+      CreateTurnPort(kLocalAddr1, nat_socket_factory1(), PROTO_UDP, PROTO_UDP);
   EXPECT_EQ(0, turnport2->SetOption(Socket::OPT_DSCP, DSCP_CS6));
   EXPECT_EQ(0, turnport2->GetOption(Socket::OPT_DSCP, &dscp));
   EXPECT_EQ(DSCP_CS6, dscp);
@@ -2016,9 +1976,9 @@
 TEST_F(PortTest, TestSendStunMessage) {
   auto lport = CreateTestPort(kLocalAddr1, "lfrag", "lpass");
   auto rport = CreateTestPort(kLocalAddr2, "rfrag", "rpass");
-  lport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  lport->SetIceRole(ICEROLE_CONTROLLING);
   lport->SetIceTiebreaker(kTiebreaker1);
-  rport->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  rport->SetIceRole(ICEROLE_CONTROLLED);
   rport->SetIceTiebreaker(kTiebreaker2);
 
   // Send a fake ping from lport to rport.
@@ -2032,10 +1992,9 @@
   lconn->Ping(0);
 
   // Check that it's a proper BINDING-REQUEST.
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   IceMessage* msg = lport->last_stun_msg();
   EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
   EXPECT_FALSE(msg->IsLegacy());
@@ -2137,10 +2096,9 @@
   rconn->Ping(0);
   rconn->Ping(0);
   rconn->Ping(0);
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return rport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return rport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   msg = rport->last_stun_msg();
   EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
   const StunUInt64Attribute* ice_controlled_attr =
@@ -2185,9 +2143,9 @@
 TEST_F(PortTest, TestNomination) {
   auto lport = CreateTestPort(kLocalAddr1, "lfrag", "lpass");
   auto rport = CreateTestPort(kLocalAddr2, "rfrag", "rpass");
-  lport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  lport->SetIceRole(ICEROLE_CONTROLLING);
   lport->SetIceTiebreaker(kTiebreaker1);
-  rport->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  rport->SetIceRole(ICEROLE_CONTROLLED);
   rport->SetIceTiebreaker(kTiebreaker2);
 
   lport->PrepareAddress();
@@ -2211,10 +2169,9 @@
   // Send ping (including the nomination value) from `lconn` to `rconn`. This
   // should set the remote nomination of `rconn`.
   lconn->Ping(0);
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, IsTrue(),
+  ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, IsTrue(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_GT(lport->last_stun_buf().size(), 0u);
   rconn->OnReadPacket(
       ReceivedIpPacket(lport->last_stun_buf(), SocketAddress(), std::nullopt));
@@ -2227,10 +2184,9 @@
 
   // This should result in an acknowledgment sent back from `rconn` to `lconn`,
   // updating the acknowledged nomination of `lconn`.
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return rport->last_stun_msg(); }, IsTrue(),
+  ASSERT_THAT(WaitUntil([&] { return rport->last_stun_msg(); }, IsTrue(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_GT(rport->last_stun_buf().size(), 0u);
   lconn->OnReadPacket(
       ReceivedIpPacket(rport->last_stun_buf(), SocketAddress(), std::nullopt));
@@ -2247,9 +2203,9 @@
 
   auto lport = CreateTestPort(kLocalAddr1, "lfrag", "lpass");
   auto rport = CreateTestPort(kLocalAddr2, "rfrag", "rpass");
-  lport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  lport->SetIceRole(ICEROLE_CONTROLLING);
   lport->SetIceTiebreaker(kTiebreaker1);
-  rport->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  rport->SetIceRole(ICEROLE_CONTROLLED);
   rport->SetIceTiebreaker(kTiebreaker2);
 
   lport->PrepareAddress();
@@ -2286,9 +2242,9 @@
 TEST_F(PortTest, TestUseCandidateAttribute) {
   auto lport = CreateTestPort(kLocalAddr1, "lfrag", "lpass");
   auto rport = CreateTestPort(kLocalAddr2, "rfrag", "rpass");
-  lport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  lport->SetIceRole(ICEROLE_CONTROLLING);
   lport->SetIceTiebreaker(kTiebreaker1);
-  rport->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  rport->SetIceRole(ICEROLE_CONTROLLED);
   rport->SetIceTiebreaker(kTiebreaker2);
 
   // Send a fake ping from lport to rport.
@@ -2298,10 +2254,9 @@
   Connection* lconn =
       lport->CreateConnection(rport->Candidates()[0], Port::ORIGIN_MESSAGE);
   lconn->Ping(0);
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   IceMessage* msg = lport->last_stun_msg();
   const StunUInt64Attribute* ice_controlling_attr =
       msg->GetUInt64(STUN_ATTR_ICE_CONTROLLING);
@@ -2318,51 +2273,50 @@
   Network* test_network = MakeNetwork(kLocalAddr1);
   auto lport = CreateTestPort(test_network, "lfrag", "lpass");
   auto rport = CreateTestPort(test_network, "rfrag", "rpass");
-  lport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  lport->SetIceRole(ICEROLE_CONTROLLING);
   lport->SetIceTiebreaker(kTiebreaker1);
-  rport->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  rport->SetIceRole(ICEROLE_CONTROLLED);
   rport->SetIceTiebreaker(kTiebreaker2);
   lport->PrepareAddress();
   rport->PrepareAddress();
 
-  // Default local port cost is webrtc::kNetworkCostUnknown.
-  EXPECT_EQ(webrtc::kNetworkCostUnknown, lport->network_cost());
+  // Default local port cost is kNetworkCostUnknown.
+  EXPECT_EQ(kNetworkCostUnknown, lport->network_cost());
   ASSERT_TRUE(!lport->Candidates().empty());
   for (const Candidate& candidate : lport->Candidates()) {
-    EXPECT_EQ(webrtc::kNetworkCostUnknown, candidate.network_cost());
+    EXPECT_EQ(kNetworkCostUnknown, candidate.network_cost());
   }
 
   // Change the network type to wifi.
-  test_network->set_type(webrtc::ADAPTER_TYPE_WIFI);
-  EXPECT_EQ(webrtc::kNetworkCostLow, lport->network_cost());
+  test_network->set_type(ADAPTER_TYPE_WIFI);
+  EXPECT_EQ(kNetworkCostLow, lport->network_cost());
   for (const Candidate& candidate : lport->Candidates()) {
-    EXPECT_EQ(webrtc::kNetworkCostLow, candidate.network_cost());
+    EXPECT_EQ(kNetworkCostLow, candidate.network_cost());
   }
 
   // Add a connection and then change the network type.
   Connection* lconn =
       lport->CreateConnection(rport->Candidates()[0], Port::ORIGIN_MESSAGE);
   // Change the network type to cellular.
-  test_network->set_type(webrtc::ADAPTER_TYPE_CELLULAR);
-  EXPECT_EQ(webrtc::kNetworkCostHigh, lport->network_cost());
+  test_network->set_type(ADAPTER_TYPE_CELLULAR);
+  EXPECT_EQ(kNetworkCostHigh, lport->network_cost());
   for (const Candidate& candidate : lport->Candidates()) {
-    EXPECT_EQ(webrtc::kNetworkCostHigh, candidate.network_cost());
+    EXPECT_EQ(kNetworkCostHigh, candidate.network_cost());
   }
 
-  test_network->set_type(webrtc::ADAPTER_TYPE_WIFI);
+  test_network->set_type(ADAPTER_TYPE_WIFI);
   Connection* rconn =
       rport->CreateConnection(lport->Candidates()[0], Port::ORIGIN_MESSAGE);
-  test_network->set_type(webrtc::ADAPTER_TYPE_CELLULAR);
+  test_network->set_type(ADAPTER_TYPE_CELLULAR);
   lconn->Ping(0);
-  // The rconn's remote candidate cost is webrtc::kNetworkCostLow, but the ping
-  // contains an attribute of network cost of webrtc::kNetworkCostHigh. Once the
+  // The rconn's remote candidate cost is kNetworkCostLow, but the ping
+  // contains an attribute of network cost of kNetworkCostHigh. Once the
   // message is handled in rconn, The rconn's remote candidate will have cost
-  // webrtc::kNetworkCostHigh;
-  EXPECT_EQ(webrtc::kNetworkCostLow, rconn->remote_candidate().network_cost());
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
+  // kNetworkCostHigh;
+  EXPECT_EQ(kNetworkCostLow, rconn->remote_candidate().network_cost());
+  ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   IceMessage* msg = lport->last_stun_msg();
   EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
   // Pass the binding request to rport.
@@ -2370,20 +2324,19 @@
       ReceivedIpPacket(lport->last_stun_buf(), SocketAddress(), std::nullopt));
 
   // Wait until rport sends the response and then check the remote network cost.
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return rport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return rport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
-  EXPECT_EQ(webrtc::kNetworkCostHigh, rconn->remote_candidate().network_cost());
+              IsRtcOk());
+  EXPECT_EQ(kNetworkCostHigh, rconn->remote_candidate().network_cost());
 }
 
 TEST_F(PortTest, TestNetworkInfoAttribute) {
   Network* test_network = MakeNetwork(kLocalAddr1);
   auto lport = CreateTestPort(test_network, "lfrag", "lpass");
   auto rport = CreateTestPort(test_network, "rfrag", "rpass");
-  lport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  lport->SetIceRole(ICEROLE_CONTROLLING);
   lport->SetIceTiebreaker(kTiebreaker1);
-  rport->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  rport->SetIceRole(ICEROLE_CONTROLLED);
   rport->SetIceTiebreaker(kTiebreaker2);
 
   uint16_t lnetwork_id = 9;
@@ -2394,10 +2347,9 @@
   Connection* lconn =
       lport->CreateConnection(rport->Candidates()[0], Port::ORIGIN_MESSAGE);
   lconn->Ping(0);
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   IceMessage* msg = lport->last_stun_msg();
   const StunUInt32Attribute* network_info_attr =
       msg->GetUInt32(STUN_ATTR_GOOG_NETWORK_INFO);
@@ -2405,26 +2357,25 @@
   uint32_t network_info = network_info_attr->value();
   EXPECT_EQ(lnetwork_id, network_info >> 16);
   // Default network has unknown type and cost kNetworkCostUnknown.
-  EXPECT_EQ(webrtc::kNetworkCostUnknown, network_info & 0xFFFF);
+  EXPECT_EQ(kNetworkCostUnknown, network_info & 0xFFFF);
 
   // Set the network type to be cellular so its cost will be kNetworkCostHigh.
   // Send a fake ping from rport to lport.
-  test_network->set_type(webrtc::ADAPTER_TYPE_CELLULAR);
+  test_network->set_type(ADAPTER_TYPE_CELLULAR);
   uint16_t rnetwork_id = 8;
   test_network->set_id(rnetwork_id);
   Connection* rconn =
       rport->CreateConnection(lport->Candidates()[0], Port::ORIGIN_MESSAGE);
   rconn->Ping(0);
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return rport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return rport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   msg = rport->last_stun_msg();
   network_info_attr = msg->GetUInt32(STUN_ATTR_GOOG_NETWORK_INFO);
   ASSERT_TRUE(network_info_attr != nullptr);
   network_info = network_info_attr->value();
   EXPECT_EQ(rnetwork_id, network_info >> 16);
-  EXPECT_EQ(webrtc::kNetworkCostHigh, network_info & 0xFFFF);
+  EXPECT_EQ(kNetworkCostHigh, network_info & 0xFFFF);
 }
 
 // Test handling STUN messages.
@@ -2691,9 +2642,9 @@
        TestHandleStunResponseWithUnknownComprehensionRequiredAttribute) {
   // Generic setup.
   auto lport = CreateTestPort(kLocalAddr1, "lfrag", "lpass",
-                              webrtc::ICEROLE_CONTROLLING, kTiebreakerDefault);
-  auto rport = CreateTestPort(kLocalAddr2, "rfrag", "rpass",
-                              webrtc::ICEROLE_CONTROLLED, kTiebreakerDefault);
+                              ICEROLE_CONTROLLING, kTiebreakerDefault);
+  auto rport = CreateTestPort(kLocalAddr2, "rfrag", "rpass", ICEROLE_CONTROLLED,
+                              kTiebreakerDefault);
   lport->PrepareAddress();
   rport->PrepareAddress();
   ASSERT_FALSE(lport->Candidates().empty());
@@ -2705,18 +2656,16 @@
 
   // Send request.
   lconn->Ping(0);
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   rconn->OnReadPacket(
       ReceivedIpPacket(lport->last_stun_buf(), SocketAddress(), std::nullopt));
 
   // Intercept request and add comprehension required attribute.
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return rport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return rport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   auto modified_response = rport->last_stun_msg()->Clone();
   modified_response->AddAttribute(StunAttribute::CreateUInt32(0x7777));
   modified_response->RemoveAttribute(STUN_ATTR_FINGERPRINT);
@@ -2736,9 +2685,9 @@
        TestHandleStunIndicationWithUnknownComprehensionRequiredAttribute) {
   // Generic set up.
   auto lport = CreateTestPort(kLocalAddr2, "lfrag", "lpass",
-                              webrtc::ICEROLE_CONTROLLING, kTiebreakerDefault);
-  auto rport = CreateTestPort(kLocalAddr2, "rfrag", "rpass",
-                              webrtc::ICEROLE_CONTROLLED, kTiebreakerDefault);
+                              ICEROLE_CONTROLLING, kTiebreakerDefault);
+  auto rport = CreateTestPort(kLocalAddr2, "rfrag", "rpass", ICEROLE_CONTROLLED,
+                              kTiebreakerDefault);
   lport->PrepareAddress();
   rport->PrepareAddress();
   ASSERT_FALSE(lport->Candidates().empty());
@@ -2762,7 +2711,7 @@
 // indications are allowed only to the connection which is in read mode.
 TEST_F(PortTest, TestHandleStunBindingIndication) {
   auto lport = CreateTestPort(kLocalAddr2, "lfrag", "lpass",
-                              webrtc::ICEROLE_CONTROLLING, kTiebreaker1);
+                              ICEROLE_CONTROLLING, kTiebreaker1);
 
   // Verifying encoding and decoding STUN indication message.
   std::unique_ptr<IceMessage> in_msg, out_msg;
@@ -2782,7 +2731,7 @@
   // Verify connection can handle STUN indication and updates
   // last_ping_received.
   auto rport = CreateTestPort(kLocalAddr2, "rfrag", "rpass");
-  rport->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  rport->SetIceRole(ICEROLE_CONTROLLED);
   rport->SetIceTiebreaker(kTiebreaker2);
 
   lport->PrepareAddress();
@@ -2796,20 +2745,18 @@
       rport->CreateConnection(lport->Candidates()[0], Port::ORIGIN_MESSAGE);
   rconn->Ping(0);
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return rport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return rport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   IceMessage* msg = rport->last_stun_msg();
   EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
   // Send rport binding request to lport.
   lconn->OnReadPacket(
       ReceivedIpPacket(rport->last_stun_buf(), SocketAddress(), std::nullopt));
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(STUN_BINDING_RESPONSE, lport->last_stun_msg()->type());
   int64_t last_ping_received1 = lconn->last_ping_received();
 
@@ -2876,20 +2823,15 @@
   port->AddCandidateAddress(SocketAddress("3ffe::1234:5678", 1234));
   // These should all be:
   // (90 << 24) | (([rfc3484 pref value] << 8) + kMaxTurnServers) | (256 - 177)
-  uint32_t expected_priority_v4 = 1509957199U + (webrtc::kMaxTurnServers << 8);
-  uint32_t expected_priority_v6 = 1509959759U + (webrtc::kMaxTurnServers << 8);
-  uint32_t expected_priority_ula = 1509962319U + (webrtc::kMaxTurnServers << 8);
+  uint32_t expected_priority_v4 = 1509957199U + (kMaxTurnServers << 8);
+  uint32_t expected_priority_v6 = 1509959759U + (kMaxTurnServers << 8);
+  uint32_t expected_priority_ula = 1509962319U + (kMaxTurnServers << 8);
   uint32_t expected_priority_v4mapped = expected_priority_v4;
-  uint32_t expected_priority_v4compat =
-      1509949775U + (webrtc::kMaxTurnServers << 8);
-  uint32_t expected_priority_6to4 =
-      1509954639U + (webrtc::kMaxTurnServers << 8);
-  uint32_t expected_priority_teredo =
-      1509952079U + (webrtc::kMaxTurnServers << 8);
-  uint32_t expected_priority_sitelocal =
-      1509949775U + (webrtc::kMaxTurnServers << 8);
-  uint32_t expected_priority_6bone =
-      1509949775U + (webrtc::kMaxTurnServers << 8);
+  uint32_t expected_priority_v4compat = 1509949775U + (kMaxTurnServers << 8);
+  uint32_t expected_priority_6to4 = 1509954639U + (kMaxTurnServers << 8);
+  uint32_t expected_priority_teredo = 1509952079U + (kMaxTurnServers << 8);
+  uint32_t expected_priority_sitelocal = 1509949775U + (kMaxTurnServers << 8);
+  uint32_t expected_priority_6bone = 1509949775U + (kMaxTurnServers << 8);
   ASSERT_EQ(expected_priority_v4, port->Candidates()[0].priority());
   ASSERT_EQ(expected_priority_v6, port->Candidates()[1].priority());
   ASSERT_EQ(expected_priority_ula, port->Candidates()[2].priority());
@@ -2919,7 +2861,7 @@
 // This test verifies the foundation of different types of ICE candidates.
 TEST_F(PortTest, TestCandidateFoundation) {
   std::unique_ptr<NATServer> nat_server(
-      CreateNatServer(kNatAddr1, webrtc::NAT_OPEN_CONE));
+      CreateNatServer(kNatAddr1, NAT_OPEN_CONE));
   auto udpport1 = CreateUdpPort(kLocalAddr1);
   udpport1->PrepareAddress();
   auto udpport2 = CreateUdpPort(kLocalAddr1);
@@ -2934,10 +2876,9 @@
             tcpport2->Candidates()[0].foundation());
   auto stunport = CreateStunPort(kLocalAddr1, nat_socket_factory1());
   stunport->PrepareAddress();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return stunport->Candidates().size(); }, Eq(1U),
+  ASSERT_THAT(WaitUntil([&] { return stunport->Candidates().size(); }, Eq(1U),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_NE(tcpport1->Candidates()[0].foundation(),
             stunport->Candidates()[0].foundation());
   EXPECT_NE(tcpport2->Candidates()[0].foundation(),
@@ -2947,56 +2888,51 @@
   EXPECT_NE(udpport2->Candidates()[0].foundation(),
             stunport->Candidates()[0].foundation());
   // Verifying TURN candidate foundation.
-  auto turnport1 = CreateTurnPort(kLocalAddr1, nat_socket_factory1(),
-                                  webrtc::PROTO_UDP, webrtc::PROTO_UDP);
+  auto turnport1 =
+      CreateTurnPort(kLocalAddr1, nat_socket_factory1(), PROTO_UDP, PROTO_UDP);
   turnport1->PrepareAddress();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return turnport1->Candidates().size(); }, Eq(1U),
+  ASSERT_THAT(WaitUntil([&] { return turnport1->Candidates().size(); }, Eq(1U),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_NE(udpport1->Candidates()[0].foundation(),
             turnport1->Candidates()[0].foundation());
   EXPECT_NE(udpport2->Candidates()[0].foundation(),
             turnport1->Candidates()[0].foundation());
   EXPECT_NE(stunport->Candidates()[0].foundation(),
             turnport1->Candidates()[0].foundation());
-  auto turnport2 = CreateTurnPort(kLocalAddr1, nat_socket_factory1(),
-                                  webrtc::PROTO_UDP, webrtc::PROTO_UDP);
+  auto turnport2 =
+      CreateTurnPort(kLocalAddr1, nat_socket_factory1(), PROTO_UDP, PROTO_UDP);
   turnport2->PrepareAddress();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return turnport2->Candidates().size(); }, Eq(1U),
+  ASSERT_THAT(WaitUntil([&] { return turnport2->Candidates().size(); }, Eq(1U),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(turnport1->Candidates()[0].foundation(),
             turnport2->Candidates()[0].foundation());
 
   // Running a second turn server, to get different base IP address.
-  SocketAddress kTurnUdpIntAddr2("99.99.98.4", webrtc::STUN_SERVER_PORT);
+  SocketAddress kTurnUdpIntAddr2("99.99.98.4", STUN_SERVER_PORT);
   SocketAddress kTurnUdpExtAddr2("99.99.98.5", 0);
   TestTurnServer turn_server2(Thread::Current(), vss(), kTurnUdpIntAddr2,
                               kTurnUdpExtAddr2);
-  auto turnport3 =
-      CreateTurnPort(kLocalAddr1, nat_socket_factory1(), webrtc::PROTO_UDP,
-                     webrtc::PROTO_UDP, kTurnUdpIntAddr2);
+  auto turnport3 = CreateTurnPort(kLocalAddr1, nat_socket_factory1(), PROTO_UDP,
+                                  PROTO_UDP, kTurnUdpIntAddr2);
   turnport3->PrepareAddress();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return turnport3->Candidates().size(); }, Eq(1U),
+  ASSERT_THAT(WaitUntil([&] { return turnport3->Candidates().size(); }, Eq(1U),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_NE(turnport3->Candidates()[0].foundation(),
             turnport2->Candidates()[0].foundation());
 
   // Start a TCP turn server, and check that two turn candidates have
   // different foundations if their relay protocols are different.
   TestTurnServer turn_server3(Thread::Current(), vss(), kTurnTcpIntAddr,
-                              kTurnUdpExtAddr, webrtc::PROTO_TCP);
-  auto turnport4 = CreateTurnPort(kLocalAddr1, nat_socket_factory1(),
-                                  webrtc::PROTO_TCP, webrtc::PROTO_UDP);
+                              kTurnUdpExtAddr, PROTO_TCP);
+  auto turnport4 =
+      CreateTurnPort(kLocalAddr1, nat_socket_factory1(), PROTO_TCP, PROTO_UDP);
   turnport4->PrepareAddress();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return turnport4->Candidates().size(); }, Eq(1U),
+  ASSERT_THAT(WaitUntil([&] { return turnport4->Candidates().size(); }, Eq(1U),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_NE(turnport2->Candidates()[0].foundation(),
             turnport4->Candidates()[0].foundation());
 }
@@ -3004,7 +2940,7 @@
 // This test verifies the related addresses of different types of
 // ICE candidates.
 TEST_F(PortTest, TestCandidateRelatedAddress) {
-  auto nat_server = CreateNatServer(kNatAddr1, webrtc::NAT_OPEN_CONE);
+  auto nat_server = CreateNatServer(kNatAddr1, NAT_OPEN_CONE);
   auto udpport = CreateUdpPort(kLocalAddr1);
   udpport->PrepareAddress();
   // For UDPPort, related address will be empty.
@@ -3014,10 +2950,9 @@
   // socket address.
   auto stunport = CreateStunPort(kLocalAddr1, nat_socket_factory1());
   stunport->PrepareAddress();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return stunport->Candidates().size(); }, Eq(1U),
+  ASSERT_THAT(WaitUntil([&] { return stunport->Candidates().size(); }, Eq(1U),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   // Check STUN candidate address.
   EXPECT_EQ(stunport->Candidates()[0].address().ipaddr(), kNatAddr1.ipaddr());
   // Check STUN candidate related address.
@@ -3025,13 +2960,12 @@
             stunport->GetLocalAddress());
   // Verifying the related address for TURN candidate.
   // For TURN related address must be equal to the mapped address.
-  auto turnport = CreateTurnPort(kLocalAddr1, nat_socket_factory1(),
-                                 webrtc::PROTO_UDP, webrtc::PROTO_UDP);
+  auto turnport =
+      CreateTurnPort(kLocalAddr1, nat_socket_factory1(), PROTO_UDP, PROTO_UDP);
   turnport->PrepareAddress();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return turnport->Candidates().size(); }, Eq(1U),
+  ASSERT_THAT(WaitUntil([&] { return turnport->Candidates().size(); }, Eq(1U),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   EXPECT_EQ(kTurnUdpExtAddr.ipaddr(),
             turnport->Candidates()[0].address().ipaddr());
   EXPECT_EQ(kNatAddr1.ipaddr(),
@@ -3066,8 +3000,8 @@
 
   // RFC 5245
   // pair priority = 2^32*MIN(G,D) + 2*MAX(G,D) + (G>D?1:0)
-  lport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
-  rport->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  lport->SetIceRole(ICEROLE_CONTROLLING);
+  rport->SetIceRole(ICEROLE_CONTROLLED);
   Connection* lconn =
       lport->CreateConnection(rport->Candidates()[0], Port::ORIGIN_MESSAGE);
 #if defined(WEBRTC_WIN)
@@ -3076,8 +3010,8 @@
   EXPECT_EQ(0x2001EE9FC003D0BLLU, lconn->priority());
 #endif
 
-  lport->SetIceRole(webrtc::ICEROLE_CONTROLLED);
-  rport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  lport->SetIceRole(ICEROLE_CONTROLLED);
+  rport->SetIceRole(ICEROLE_CONTROLLING);
   Connection* rconn =
       rport->CreateConnection(lport->Candidates()[0], Port::ORIGIN_MESSAGE);
 #if defined(WEBRTC_WIN)
@@ -3103,15 +3037,15 @@
   rport->set_component(23);
   rport->AddCandidateAddress(SocketAddress("10.1.1.100", 1234));
 
-  EXPECT_EQ(0x7E001E85U + (webrtc::kMaxTurnServers << 8),
+  EXPECT_EQ(0x7E001E85U + (kMaxTurnServers << 8),
             lport->Candidates()[0].priority());
-  EXPECT_EQ(0x2001EE9U + (webrtc::kMaxTurnServers << 8),
+  EXPECT_EQ(0x2001EE9U + (kMaxTurnServers << 8),
             rport->Candidates()[0].priority());
 
   // RFC 5245
   // pair priority = 2^32*MIN(G,D) + 2*MAX(G,D) + (G>D?1:0)
-  lport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
-  rport->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  lport->SetIceRole(ICEROLE_CONTROLLING);
+  rport->SetIceRole(ICEROLE_CONTROLLED);
   Connection* lconn =
       lport->CreateConnection(rport->Candidates()[0], Port::ORIGIN_MESSAGE);
 #if defined(WEBRTC_WIN)
@@ -3120,8 +3054,8 @@
   EXPECT_EQ(0x2003EE9FC007D0BLLU, lconn->priority());
 #endif
 
-  lport->SetIceRole(webrtc::ICEROLE_CONTROLLED);
-  rport->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  lport->SetIceRole(ICEROLE_CONTROLLED);
+  rport->SetIceRole(ICEROLE_CONTROLLING);
   Connection* rconn =
       rport->CreateConnection(lport->Candidates()[0], Port::ORIGIN_MESSAGE);
   RTC_LOG(LS_ERROR) << "RCONN " << rconn->priority();
@@ -3141,9 +3075,9 @@
 TEST_F(PortTest, TestWritableState) {
   ScopedFakeClock clock;
   auto port1 = CreateUdpPort(kLocalAddr1);
-  port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  port1->SetIceRole(ICEROLE_CONTROLLING);
   auto port2 = CreateUdpPort(kLocalAddr2);
-  port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  port2->SetIceRole(ICEROLE_CONTROLLED);
 
   // Set up channels.
   TestChannel ch1(std::move(port1));
@@ -3152,25 +3086,24 @@
   // Acquire addresses.
   ch1.Start();
   ch2.Start();
-  ASSERT_THAT(webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
-  ASSERT_THAT(webrtc::WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
 
   // Send a ping from src to dst.
   ch1.CreateConnection(GetCandidate(ch2.port()));
   ASSERT_TRUE(ch1.conn() != nullptr);
   EXPECT_EQ(Connection::STATE_WRITE_INIT, ch1.conn()->write_state());
   // for TCP connect
-  EXPECT_THAT(
-      webrtc::WaitUntil(
-          [&] { return ch1.conn()->connected(); }, IsTrue(),
-          {.timeout = TimeDelta::Millis(kDefaultTimeout), .clock = &clock}),
-      webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch1.conn()->connected(); }, IsTrue(),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   ch1.Ping();
   SIMULATED_WAIT(!ch2.remote_address().IsNil(), kShortTimeout, clock);
 
@@ -3183,11 +3116,11 @@
   // Accept the connection to return the binding response, transition to
   // writable, and allow data to be sent.
   ch2.AcceptConnection(GetCandidate(ch1.port()));
-  EXPECT_THAT(webrtc::WaitUntil([&] { return ch1.conn()->write_state(); },
-                                Eq(Connection::STATE_WRITABLE),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch1.conn()->write_state(); },
+                        Eq(Connection::STATE_WRITABLE),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   EXPECT_EQ(data_size, ch1.conn()->Send(data, data_size, options));
 
   // Ask the connection to update state as if enough time has passed to lose
@@ -3206,11 +3139,11 @@
 
   // And now allow the other side to process the pings and send binding
   // responses.
-  EXPECT_THAT(webrtc::WaitUntil([&] { return ch1.conn()->write_state(); },
-                                Eq(Connection::STATE_WRITABLE),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch1.conn()->write_state(); },
+                        Eq(Connection::STATE_WRITABLE),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
   // Wait long enough for a full timeout (past however long we've already
   // waited).
   for (uint32_t i = 1; i <= CONNECTION_WRITE_CONNECT_FAILURES; ++i) {
@@ -3234,9 +3167,9 @@
 TEST_F(PortTest, TestWritableStateWithConfiguredThreshold) {
   ScopedFakeClock clock;
   auto port1 = CreateUdpPort(kLocalAddr1);
-  port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  port1->SetIceRole(ICEROLE_CONTROLLING);
   auto port2 = CreateUdpPort(kLocalAddr2);
-  port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  port2->SetIceRole(ICEROLE_CONTROLLED);
 
   // Set up channels.
   TestChannel ch1(std::move(port1));
@@ -3245,14 +3178,14 @@
   // Acquire addresses.
   ch1.Start();
   ch2.Start();
-  ASSERT_THAT(webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
-  ASSERT_THAT(webrtc::WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
+  ASSERT_THAT(WaitUntil([&] { return ch2.complete_count(); }, Eq(1),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
 
   // Send a ping from src to dst.
   ch1.CreateConnection(GetCandidate(ch2.port()));
@@ -3263,11 +3196,11 @@
   // Accept the connection to return the binding response, transition to
   // writable, and allow data to be sent.
   ch2.AcceptConnection(GetCandidate(ch1.port()));
-  EXPECT_THAT(webrtc::WaitUntil([&] { return ch1.conn()->write_state(); },
-                                Eq(Connection::STATE_WRITABLE),
-                                {.timeout = TimeDelta::Millis(kDefaultTimeout),
-                                 .clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch1.conn()->write_state(); },
+                        Eq(Connection::STATE_WRITABLE),
+                        {.timeout = TimeDelta::Millis(kDefaultTimeout),
+                         .clock = &clock}),
+              IsRtcOk());
 
   ch1.conn()->set_unwritable_timeout(1000);
   ch1.conn()->set_unwritable_min_checks(3);
@@ -3297,9 +3230,9 @@
 
 TEST_F(PortTest, TestTimeoutForNeverWritable) {
   auto port1 = CreateUdpPort(kLocalAddr1);
-  port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  port1->SetIceRole(ICEROLE_CONTROLLING);
   auto port2 = CreateUdpPort(kLocalAddr2);
-  port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  port2->SetIceRole(ICEROLE_CONTROLLED);
 
   // Set up channels.
   TestChannel ch1(std::move(port1));
@@ -3326,24 +3259,23 @@
 // In this test `ch1` behaves like FULL mode client and we have created
 // port which responds to the ping message just like LITE client.
 TEST_F(PortTest, TestIceLiteConnectivity) {
-  auto ice_full_port = CreateTestPort(
-      kLocalAddr1, "lfrag", "lpass", webrtc::ICEROLE_CONTROLLING, kTiebreaker1);
+  auto ice_full_port = CreateTestPort(kLocalAddr1, "lfrag", "lpass",
+                                      ICEROLE_CONTROLLING, kTiebreaker1);
   auto* ice_full_port_ptr = ice_full_port.get();
 
   auto ice_lite_port = CreateTestPort(kLocalAddr2, "rfrag", "rpass",
-                                      webrtc::ICEROLE_CONTROLLED, kTiebreaker2);
+                                      ICEROLE_CONTROLLED, kTiebreaker2);
   // Setup TestChannel. This behaves like FULL mode client.
   TestChannel ch1(std::move(ice_full_port));
-  ch1.SetIceMode(webrtc::ICEMODE_FULL);
+  ch1.SetIceMode(ICEMODE_FULL);
 
   // Start gathering candidates.
   ch1.Start();
   ice_lite_port->PrepareAddress();
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_FALSE(ice_lite_port->Candidates().empty());
 
   ch1.CreateConnection(GetCandidate(ice_lite_port.get()));
@@ -3356,10 +3288,10 @@
 
   // Verify stun ping is without USE_CANDIDATE_ATTR. Getting message directly
   // from port.
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return ice_full_port_ptr->last_stun_msg(); }, NotNull(),
-                  {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return ice_full_port_ptr->last_stun_msg(); }, NotNull(),
+                {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
+      IsRtcOk());
   IceMessage* msg = ice_full_port_ptr->last_stun_msg();
   EXPECT_TRUE(msg->GetByteString(STUN_ATTR_USE_CANDIDATE) == nullptr);
 
@@ -3377,25 +3309,23 @@
                                             SocketAddress(), std::nullopt));
 
   // Verifying full mode connection becomes writable from the response.
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch1.conn()->write_state(); },
+  EXPECT_THAT(WaitUntil([&] { return ch1.conn()->write_state(); },
                         Eq(Connection::STATE_WRITABLE),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return ch1.nominated(); }, IsTrue(),
+              IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return ch1.nominated(); }, IsTrue(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // Clear existing stun messsages. Otherwise we will process old stun
   // message right after we send ping.
   ice_full_port_ptr->Reset();
   // Send ping. This must have USE_CANDIDATE_ATTR.
   ch1.Ping();
-  ASSERT_THAT(webrtc::WaitUntil(
-                  [&] { return ice_full_port_ptr->last_stun_msg(); }, NotNull(),
-                  {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-              webrtc::IsRtcOk());
+  ASSERT_THAT(
+      WaitUntil([&] { return ice_full_port_ptr->last_stun_msg(); }, NotNull(),
+                {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
+      IsRtcOk());
   msg = ice_full_port_ptr->last_stun_msg();
   EXPECT_TRUE(msg->GetByteString(STUN_ATTR_USE_CANDIDATE) != nullptr);
   ch1.Stop();
@@ -3453,24 +3383,23 @@
                    << " enable:" << trials.enable_goog_ping;
 
   auto port1_unique = CreateTestPort(kLocalAddr1, "lfrag", "lpass",
-                                     webrtc::ICEROLE_CONTROLLING, kTiebreaker1);
+                                     ICEROLE_CONTROLLING, kTiebreaker1);
   auto* port1 = port1_unique.get();
-  auto port2 = CreateTestPort(kLocalAddr2, "rfrag", "rpass",
-                              webrtc::ICEROLE_CONTROLLED, kTiebreaker2);
+  auto port2 = CreateTestPort(kLocalAddr2, "rfrag", "rpass", ICEROLE_CONTROLLED,
+                              kTiebreaker2);
 
   TestChannel ch1(std::move(port1_unique));
   // Block usage of STUN_ATTR_USE_CANDIDATE so that
   // ch1.conn() will sent GOOG_PING_REQUEST directly.
   // This only makes test a bit shorter...
-  ch1.SetIceMode(webrtc::ICEMODE_LITE);
+  ch1.SetIceMode(ICEMODE_LITE);
   // Start gathering candidates.
   ch1.Start();
   port2->PrepareAddress();
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_FALSE(port2->Candidates().empty());
 
   ch1.CreateConnection(GetCandidate(port2.get()));
@@ -3481,10 +3410,9 @@
   // Send ping.
   ch1.Ping();
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   const IceMessage* request1 = port1->last_stun_msg();
 
   ASSERT_EQ(trials.enable_goog_ping,
@@ -3512,10 +3440,9 @@
   port2->Reset();
 
   ch1.Ping();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   const IceMessage* request2 = port1->last_stun_msg();
 
   // It should be a GOOG_PING if both of these are TRUE
@@ -3552,24 +3479,23 @@
   trials.enable_goog_ping = true;
 
   auto port1_unique = CreateTestPort(kLocalAddr1, "lfrag", "lpass",
-                                     webrtc::ICEROLE_CONTROLLING, kTiebreaker1);
+                                     ICEROLE_CONTROLLING, kTiebreaker1);
   auto* port1 = port1_unique.get();
-  auto port2 = CreateTestPort(kLocalAddr2, "rfrag", "rpass",
-                              webrtc::ICEROLE_CONTROLLED, kTiebreaker2);
+  auto port2 = CreateTestPort(kLocalAddr2, "rfrag", "rpass", ICEROLE_CONTROLLED,
+                              kTiebreaker2);
 
   TestChannel ch1(std::move(port1_unique));
   // Block usage of STUN_ATTR_USE_CANDIDATE so that
   // ch1.conn() will sent GOOG_PING_REQUEST directly.
   // This only makes test a bit shorter...
-  ch1.SetIceMode(webrtc::ICEMODE_LITE);
+  ch1.SetIceMode(ICEMODE_LITE);
   // Start gathering candidates.
   ch1.Start();
   port2->PrepareAddress();
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_FALSE(port2->Candidates().empty());
 
   ch1.CreateConnection(GetCandidate(port2.get()));
@@ -3580,10 +3506,9 @@
   // Send ping.
   ch1.Ping();
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   const IceMessage* request1 = port1->last_stun_msg();
 
   ASSERT_TRUE(GetSupportedGoogPingVersion(request1) &&
@@ -3627,24 +3552,23 @@
   trials.enable_goog_ping = true;
 
   auto port1_unique = CreateTestPort(kLocalAddr1, "lfrag", "lpass",
-                                     webrtc::ICEROLE_CONTROLLING, kTiebreaker1);
+                                     ICEROLE_CONTROLLING, kTiebreaker1);
   auto* port1 = port1_unique.get();
-  auto port2 = CreateTestPort(kLocalAddr2, "rfrag", "rpass",
-                              webrtc::ICEROLE_CONTROLLED, kTiebreaker2);
+  auto port2 = CreateTestPort(kLocalAddr2, "rfrag", "rpass", ICEROLE_CONTROLLED,
+                              kTiebreaker2);
 
   TestChannel ch1(std::move(port1_unique));
   // Block usage of STUN_ATTR_USE_CANDIDATE so that
   // ch1.conn() will sent GOOG_PING_REQUEST directly.
   // This only makes test a bit shorter...
-  ch1.SetIceMode(webrtc::ICEMODE_LITE);
+  ch1.SetIceMode(ICEMODE_LITE);
   // Start gathering candidates.
   ch1.Start();
   port2->PrepareAddress();
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_FALSE(port2->Candidates().empty());
 
   ch1.CreateConnection(GetCandidate(port2.get()));
@@ -3655,10 +3579,9 @@
   // Send ping.
   ch1.Ping();
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   const IceMessage* request1 = port1->last_stun_msg();
 
   ASSERT_TRUE(GetSupportedGoogPingVersion(request1) &&
@@ -3707,10 +3630,9 @@
   port2->Reset();
 
   ch1.Ping();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
 
   // This should now be a STUN_BINDING...without a kGoogPingVersion
   const IceMessage* request2 = port1->last_stun_msg();
@@ -3735,24 +3657,23 @@
   trials.enable_goog_ping = true;
 
   auto port1_unique = CreateTestPort(kLocalAddr1, "lfrag", "lpass",
-                                     webrtc::ICEROLE_CONTROLLING, kTiebreaker1);
+                                     ICEROLE_CONTROLLING, kTiebreaker1);
   auto* port1 = port1_unique.get();
-  auto port2 = CreateTestPort(kLocalAddr2, "rfrag", "rpass",
-                              webrtc::ICEROLE_CONTROLLED, kTiebreaker2);
+  auto port2 = CreateTestPort(kLocalAddr2, "rfrag", "rpass", ICEROLE_CONTROLLED,
+                              kTiebreaker2);
 
   TestChannel ch1(std::move(port1_unique));
   // Block usage of STUN_ATTR_USE_CANDIDATE so that
   // ch1.conn() will sent GOOG_PING_REQUEST directly.
   // This only makes test a bit shorter...
-  ch1.SetIceMode(webrtc::ICEMODE_LITE);
+  ch1.SetIceMode(ICEMODE_LITE);
   // Start gathering candidates.
   ch1.Start();
   port2->PrepareAddress();
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_FALSE(port2->Candidates().empty());
 
   ch1.CreateConnection(GetCandidate(port2.get()));
@@ -3763,10 +3684,9 @@
   // Send ping.
   ch1.Ping();
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   const IceMessage* msg = port1->last_stun_msg();
   auto* con =
       port2->CreateConnection(port1->Candidates()[0], Port::ORIGIN_MESSAGE);
@@ -3788,10 +3708,9 @@
   port2->Reset();
 
   ch1.Ping();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   const IceMessage* msg2 = port1->last_stun_msg();
 
   // It should be a GOOG_PING if both of these are TRUE
@@ -3812,10 +3731,9 @@
   ch1.conn()->set_use_candidate_attr(!ch1.conn()->use_candidate_attr());
 
   ch1.Ping();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   const IceMessage* msg3 = port1->last_stun_msg();
 
   // It should be a STUN_BINDING_REQUEST
@@ -3831,24 +3749,23 @@
   trials.enable_goog_ping = true;
 
   auto port1_unique = CreateTestPort(kLocalAddr1, "lfrag", "lpass",
-                                     webrtc::ICEROLE_CONTROLLING, kTiebreaker1);
+                                     ICEROLE_CONTROLLING, kTiebreaker1);
   auto* port1 = port1_unique.get();
-  auto port2 = CreateTestPort(kLocalAddr2, "rfrag", "rpass",
-                              webrtc::ICEROLE_CONTROLLED, kTiebreaker2);
+  auto port2 = CreateTestPort(kLocalAddr2, "rfrag", "rpass", ICEROLE_CONTROLLED,
+                              kTiebreaker2);
 
   TestChannel ch1(std::move(port1_unique));
   // Block usage of STUN_ATTR_USE_CANDIDATE so that
   // ch1.conn() will sent GOOG_PING_REQUEST directly.
   // This only makes test a bit shorter...
-  ch1.SetIceMode(webrtc::ICEMODE_LITE);
+  ch1.SetIceMode(ICEMODE_LITE);
   // Start gathering candidates.
   ch1.Start();
   port2->PrepareAddress();
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
+  ASSERT_THAT(WaitUntil([&] { return ch1.complete_count(); }, Eq(1),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_FALSE(port2->Candidates().empty());
 
   ch1.CreateConnection(GetCandidate(port2.get()));
@@ -3859,10 +3776,9 @@
   // Send ping.
   ch1.Ping();
 
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   const IceMessage* msg = port1->last_stun_msg();
   auto* con =
       port2->CreateConnection(port1->Candidates()[0], Port::ORIGIN_MESSAGE);
@@ -3884,10 +3800,9 @@
   port2->Reset();
 
   ch1.Ping();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   const IceMessage* msg2 = port1->last_stun_msg();
 
   // It should be a GOOG_PING.
@@ -3915,10 +3830,9 @@
   port2->Reset();
 
   ch1.Ping();
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
+  ASSERT_THAT(WaitUntil([&] { return port1->last_stun_msg(); }, NotNull(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   const IceMessage* msg3 = port1->last_stun_msg();
 
   // It should be a STUN_BINDING_REQUEST
@@ -3936,13 +3850,13 @@
   auto port1 = CreateUdpPort(kLocalAddr1);
   ConnectToSignalDestroyed(port1.get());
   port1->set_timeout_delay(timeout_delay);  // milliseconds
-  port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  port1->SetIceRole(ICEROLE_CONTROLLING);
   port1->SetIceTiebreaker(kTiebreaker1);
 
   auto port2 = CreateUdpPort(kLocalAddr2);
   ConnectToSignalDestroyed(port2.get());
   port2->set_timeout_delay(timeout_delay);  // milliseconds
-  port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  port2->SetIceRole(ICEROLE_CONTROLLED);
   port2->SetIceTiebreaker(kTiebreaker2);
 
   // Set up channels and ensure both ports will be deleted.
@@ -3953,9 +3867,9 @@
   StartConnectAndStopChannels(&ch1, &ch2);
   // After the connection is destroyed, the port will be destroyed because
   // none of them is marked as "keep alive until pruned.
-  EXPECT_THAT(webrtc::WaitUntil([&] { return ports_destroyed(); }, Eq(2),
-                                {.clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return ports_destroyed(); }, Eq(2), {.clock = &clock}),
+      IsRtcOk());
 }
 
 // Test that if after all connection are destroyed, new connections are created
@@ -3967,14 +3881,14 @@
   auto port1 = CreateUdpPort(kLocalAddr1);
   ConnectToSignalDestroyed(port1.get());
   port1->set_timeout_delay(timeout_delay);  // milliseconds
-  port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  port1->SetIceRole(ICEROLE_CONTROLLING);
   port1->SetIceTiebreaker(kTiebreaker1);
 
   auto port2 = CreateUdpPort(kLocalAddr2);
   ConnectToSignalDestroyed(port2.get());
   port2->set_timeout_delay(timeout_delay);  // milliseconds
 
-  port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  port2->SetIceRole(ICEROLE_CONTROLLED);
   port2->SetIceTiebreaker(kTiebreaker2);
 
   // Set up channels and ensure both ports will be deleted.
@@ -3996,9 +3910,9 @@
   EXPECT_EQ(0, ports_destroyed());
 
   // The ports on both sides should be destroyed after timeout.
-  EXPECT_THAT(webrtc::WaitUntil([&] { return ports_destroyed(); }, Eq(2),
-                                {.clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return ports_destroyed(); }, Eq(2), {.clock = &clock}),
+      IsRtcOk());
 }
 
 // This test case verifies that neither the controlling port nor the controlled
@@ -4010,13 +3924,13 @@
   auto port1 = CreateUdpPort(kLocalAddr1);
   ConnectToSignalDestroyed(port1.get());
   port1->set_timeout_delay(timeout_delay);  // milliseconds
-  port1->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+  port1->SetIceRole(ICEROLE_CONTROLLING);
   port1->SetIceTiebreaker(kTiebreaker1);
 
   auto port2 = CreateUdpPort(kLocalAddr2);
   ConnectToSignalDestroyed(port2.get());
   port2->set_timeout_delay(timeout_delay);  // milliseconds
-  port2->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+  port2->SetIceRole(ICEROLE_CONTROLLED);
   port2->SetIceTiebreaker(kTiebreaker2);
   // The connection must not be destroyed before a connection is attempted.
   EXPECT_EQ(0, ports_destroyed());
@@ -4039,29 +3953,29 @@
   ch1.port()->Prune();
   ch2.port()->Prune();
   // The ports on both sides should be destroyed after timeout.
-  EXPECT_THAT(webrtc::WaitUntil([&] { return ports_destroyed(); }, Eq(2),
-                                {.clock = &clock}),
-              webrtc::IsRtcOk());
+  EXPECT_THAT(
+      WaitUntil([&] { return ports_destroyed(); }, Eq(2), {.clock = &clock}),
+      IsRtcOk());
 }
 
 TEST_F(PortTest, TestSupportsProtocol) {
   auto udp_port = CreateUdpPort(kLocalAddr1);
-  EXPECT_TRUE(udp_port->SupportsProtocol(webrtc::UDP_PROTOCOL_NAME));
-  EXPECT_FALSE(udp_port->SupportsProtocol(webrtc::TCP_PROTOCOL_NAME));
+  EXPECT_TRUE(udp_port->SupportsProtocol(UDP_PROTOCOL_NAME));
+  EXPECT_FALSE(udp_port->SupportsProtocol(TCP_PROTOCOL_NAME));
 
   auto stun_port = CreateStunPort(kLocalAddr1, nat_socket_factory1());
-  EXPECT_TRUE(stun_port->SupportsProtocol(webrtc::UDP_PROTOCOL_NAME));
-  EXPECT_FALSE(stun_port->SupportsProtocol(webrtc::TCP_PROTOCOL_NAME));
+  EXPECT_TRUE(stun_port->SupportsProtocol(UDP_PROTOCOL_NAME));
+  EXPECT_FALSE(stun_port->SupportsProtocol(TCP_PROTOCOL_NAME));
 
   auto tcp_port = CreateTcpPort(kLocalAddr1);
-  EXPECT_TRUE(tcp_port->SupportsProtocol(webrtc::TCP_PROTOCOL_NAME));
-  EXPECT_TRUE(tcp_port->SupportsProtocol(webrtc::SSLTCP_PROTOCOL_NAME));
-  EXPECT_FALSE(tcp_port->SupportsProtocol(webrtc::UDP_PROTOCOL_NAME));
+  EXPECT_TRUE(tcp_port->SupportsProtocol(TCP_PROTOCOL_NAME));
+  EXPECT_TRUE(tcp_port->SupportsProtocol(SSLTCP_PROTOCOL_NAME));
+  EXPECT_FALSE(tcp_port->SupportsProtocol(UDP_PROTOCOL_NAME));
 
-  auto turn_port = CreateTurnPort(kLocalAddr1, nat_socket_factory1(),
-                                  webrtc::PROTO_UDP, webrtc::PROTO_UDP);
-  EXPECT_TRUE(turn_port->SupportsProtocol(webrtc::UDP_PROTOCOL_NAME));
-  EXPECT_FALSE(turn_port->SupportsProtocol(webrtc::TCP_PROTOCOL_NAME));
+  auto turn_port =
+      CreateTurnPort(kLocalAddr1, nat_socket_factory1(), PROTO_UDP, PROTO_UDP);
+  EXPECT_TRUE(turn_port->SupportsProtocol(UDP_PROTOCOL_NAME));
+  EXPECT_FALSE(turn_port->SupportsProtocol(TCP_PROTOCOL_NAME));
 }
 
 // Test that SetIceParameters updates the component, ufrag and password
@@ -4116,9 +4030,9 @@
   ConnectionTest() {
     lport_ = CreateTestPort(kLocalAddr1, "lfrag", "lpass");
     rport_ = CreateTestPort(kLocalAddr2, "rfrag", "rpass");
-    lport_->SetIceRole(webrtc::ICEROLE_CONTROLLING);
+    lport_->SetIceRole(ICEROLE_CONTROLLING);
     lport_->SetIceTiebreaker(kTiebreaker1);
-    rport_->SetIceRole(webrtc::ICEROLE_CONTROLLED);
+    rport_->SetIceRole(ICEROLE_CONTROLLED);
     rport_->SetIceTiebreaker(kTiebreaker2);
 
     lport_->PrepareAddress();
@@ -4130,7 +4044,7 @@
 
   Connection* CreateConnection(IceRole role) {
     Connection* conn;
-    if (role == webrtc::ICEROLE_CONTROLLING) {
+    if (role == ICEROLE_CONTROLLING) {
       conn = lport_->CreateConnection(rport_->Candidates()[0],
                                       Port::ORIGIN_MESSAGE);
     } else {
@@ -4150,20 +4064,18 @@
         lconn->PortForTest() == lport_.get() ? lport_.get() : rport_.get();
     TestPort* rport =
         rconn->PortForTest() == rport_.get() ? rport_.get() : lport_.get();
-    lconn->Ping(webrtc::TimeMillis());
-    ASSERT_THAT(
-        webrtc::WaitUntil([&] { return lport->last_stun_msg(); }, IsTrue(),
+    lconn->Ping(TimeMillis());
+    ASSERT_THAT(WaitUntil([&] { return lport->last_stun_msg(); }, IsTrue(),
                           {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-        webrtc::IsRtcOk());
+                IsRtcOk());
     ASSERT_GT(lport->last_stun_buf().size(), 0u);
     rconn->OnReadPacket(ReceivedIpPacket(lport->last_stun_buf(),
                                          SocketAddress(), std::nullopt));
 
     clock_.AdvanceTime(TimeDelta::Millis(ms));
-    ASSERT_THAT(
-        webrtc::WaitUntil([&] { return rport->last_stun_msg(); }, IsTrue(),
+    ASSERT_THAT(WaitUntil([&] { return rport->last_stun_msg(); }, IsTrue(),
                           {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-        webrtc::IsRtcOk());
+                IsRtcOk());
     ASSERT_GT(rport->last_stun_buf().size(), 0u);
     reply->SetData(rport->last_stun_buf());
   }
@@ -4184,8 +4096,8 @@
 };
 
 TEST_F(ConnectionTest, ConnectionForgetLearnedState) {
-  Connection* lconn = CreateConnection(webrtc::ICEROLE_CONTROLLING);
-  Connection* rconn = CreateConnection(webrtc::ICEROLE_CONTROLLED);
+  Connection* lconn = CreateConnection(ICEROLE_CONTROLLING);
+  Connection* rconn = CreateConnection(ICEROLE_CONTROLLED);
 
   EXPECT_FALSE(lconn->writable());
   EXPECT_FALSE(lconn->receiving());
@@ -4219,8 +4131,8 @@
 }
 
 TEST_F(ConnectionTest, ConnectionForgetLearnedStateDiscardsPendingPings) {
-  Connection* lconn = CreateConnection(webrtc::ICEROLE_CONTROLLING);
-  Connection* rconn = CreateConnection(webrtc::ICEROLE_CONTROLLED);
+  Connection* lconn = CreateConnection(ICEROLE_CONTROLLING);
+  Connection* rconn = CreateConnection(ICEROLE_CONTROLLED);
 
   SendPingAndReceiveResponse(lconn, rconn, 10);
 
@@ -4249,8 +4161,8 @@
 }
 
 TEST_F(ConnectionTest, ConnectionForgetLearnedStateDoesNotTriggerStateChange) {
-  Connection* lconn = CreateConnection(webrtc::ICEROLE_CONTROLLING);
-  Connection* rconn = CreateConnection(webrtc::ICEROLE_CONTROLLED);
+  Connection* lconn = CreateConnection(ICEROLE_CONTROLLING);
+  Connection* rconn = CreateConnection(ICEROLE_CONTROLLED);
 
   EXPECT_EQ(num_state_changes_, 0);
   SendPingAndReceiveResponse(lconn, rconn, 10);
@@ -4270,8 +4182,8 @@
 // Sending a delta and getting a delta ack in response.
 TEST_F(ConnectionTest, SendReceiveGoogDelta) {
   constexpr int64_t ms = 10;
-  Connection* lconn = CreateConnection(webrtc::ICEROLE_CONTROLLING);
-  Connection* rconn = CreateConnection(webrtc::ICEROLE_CONTROLLED);
+  Connection* lconn = CreateConnection(ICEROLE_CONTROLLING);
+  Connection* rconn = CreateConnection(ICEROLE_CONTROLLED);
 
   std::unique_ptr<StunByteStringAttribute> delta =
       absl::WrapUnique(new StunByteStringAttribute(STUN_ATTR_GOOG_DELTA));
@@ -4285,9 +4197,9 @@
   lconn->SetStunDictConsumer(
       // DeltaReceived
       [](const StunByteStringAttribute* delta)
-          -> std::unique_ptr<webrtc::StunAttribute> { return nullptr; },
+          -> std::unique_ptr<StunAttribute> { return nullptr; },
       // DeltaAckReceived
-      [&](webrtc::RTCErrorOr<const StunUInt64Attribute*> error_or_ack) {
+      [&](RTCErrorOr<const StunUInt64Attribute*> error_or_ack) {
         received_goog_delta_ack = true;
         EXPECT_TRUE(error_or_ack.ok());
         EXPECT_EQ(error_or_ack.value()->value(), 133ull);
@@ -4302,24 +4214,21 @@
         return std::move(delta_ack);
       },
       // DeltaAckReceived
-      [](webrtc::RTCErrorOr<const webrtc::StunUInt64Attribute*> error_or__ack) {
-      });
+      [](RTCErrorOr<const StunUInt64Attribute*> error_or__ack) {});
 
-  lconn->Ping(webrtc::TimeMillis(), std::move(delta));
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport_->last_stun_msg(); }, IsTrue(),
+  lconn->Ping(TimeMillis(), std::move(delta));
+  ASSERT_THAT(WaitUntil([&] { return lport_->last_stun_msg(); }, IsTrue(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_GT(lport_->last_stun_buf().size(), 0u);
   rconn->OnReadPacket(
       ReceivedIpPacket(lport_->last_stun_buf(), SocketAddress(), std::nullopt));
   EXPECT_TRUE(received_goog_delta);
 
   clock_.AdvanceTime(TimeDelta::Millis(ms));
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return rport_->last_stun_msg(); }, IsTrue(),
+  ASSERT_THAT(WaitUntil([&] { return rport_->last_stun_msg(); }, IsTrue(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_GT(rport_->last_stun_buf().size(), 0u);
   lconn->OnReadPacket(
       ReceivedIpPacket(rport_->last_stun_buf(), SocketAddress(), std::nullopt));
@@ -4331,8 +4240,8 @@
 // a delta ack in reply gives an error callback.
 TEST_F(ConnectionTest, SendGoogDeltaNoReply) {
   constexpr int64_t ms = 10;
-  Connection* lconn = CreateConnection(webrtc::ICEROLE_CONTROLLING);
-  Connection* rconn = CreateConnection(webrtc::ICEROLE_CONTROLLED);
+  Connection* lconn = CreateConnection(ICEROLE_CONTROLLING);
+  Connection* rconn = CreateConnection(ICEROLE_CONTROLLED);
 
   std::unique_ptr<StunByteStringAttribute> delta =
       absl::WrapUnique(new StunByteStringAttribute(STUN_ATTR_GOOG_DELTA));
@@ -4342,27 +4251,25 @@
   lconn->SetStunDictConsumer(
       // DeltaReceived
       [](const StunByteStringAttribute* delta)
-          -> std::unique_ptr<webrtc::StunAttribute> { return nullptr; },
+          -> std::unique_ptr<StunAttribute> { return nullptr; },
       // DeltaAckReceived
-      [&](webrtc::RTCErrorOr<const StunUInt64Attribute*> error_or_ack) {
+      [&](RTCErrorOr<const StunUInt64Attribute*> error_or_ack) {
         received_goog_delta_ack_error = true;
         EXPECT_FALSE(error_or_ack.ok());
       });
 
-  lconn->Ping(webrtc::TimeMillis(), std::move(delta));
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return lport_->last_stun_msg(); }, IsTrue(),
+  lconn->Ping(TimeMillis(), std::move(delta));
+  ASSERT_THAT(WaitUntil([&] { return lport_->last_stun_msg(); }, IsTrue(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_GT(lport_->last_stun_buf().size(), 0u);
   rconn->OnReadPacket(
       ReceivedIpPacket(lport_->last_stun_buf(), SocketAddress(), std::nullopt));
 
   clock_.AdvanceTime(TimeDelta::Millis(ms));
-  ASSERT_THAT(
-      webrtc::WaitUntil([&] { return rport_->last_stun_msg(); }, IsTrue(),
+  ASSERT_THAT(WaitUntil([&] { return rport_->last_stun_msg(); }, IsTrue(),
                         {.timeout = TimeDelta::Millis(kDefaultTimeout)}),
-      webrtc::IsRtcOk());
+              IsRtcOk());
   ASSERT_GT(rport_->last_stun_buf().size(), 0u);
   lconn->OnReadPacket(
       ReceivedIpPacket(rport_->last_stun_buf(), SocketAddress(), std::nullopt));
diff --git a/p2p/base/pseudo_tcp.cc b/p2p/base/pseudo_tcp.cc
index 8564afe..a3e336e 100644
--- a/p2p/base/pseudo_tcp.cc
+++ b/p2p/base/pseudo_tcp.cc
@@ -203,7 +203,7 @@
 
 uint32_t PseudoTcp::Now() {
 #if 0  // Use this to synchronize timers with logging timestamps (easier debug)
-  return static_cast<uint32_t>(webrtc::TimeSince(StartTime()));
+  return static_cast<uint32_t>(TimeSince(StartTime()));
 #else
   return Time32();
 #endif
@@ -625,10 +625,9 @@
 #if PSEUDO_KEEPALIVE
   if (m_state == TCP_ESTABLISHED) {
     nTimeout = std::min<int32_t>(
-        nTimeout,
-        webrtc::TimeDiff32(
-            m_lasttraffic + (m_bOutgoing ? IDLE_PING * 3 / 2 : IDLE_PING),
-            now));
+        nTimeout, TimeDiff32(m_lasttraffic +
+                                 (m_bOutgoing ? IDLE_PING * 3 / 2 : IDLE_PING),
+                             now));
   }
 #endif  // PSEUDO_KEEPALIVE
   return true;
diff --git a/p2p/base/stun_port.h b/p2p/base/stun_port.h
index 612ee0f..c04e9a1 100644
--- a/p2p/base/stun_port.h
+++ b/p2p/base/stun_port.h
@@ -162,7 +162,7 @@
 
  private:
   // A helper class which can be called repeatedly to resolve multiple
-  // addresses, as opposed to webrtc::AsyncDnsResolverInterface, which can only
+  // addresses, as opposed to AsyncDnsResolverInterface, which can only
   // resolve one address per instance.
   class AddressResolver {
    public:
@@ -212,7 +212,7 @@
   // Sends STUN requests to the server.
   void OnSendPacket(const void* data, size_t size, StunRequest* req);
 
-  // TODO(mallinaht): Move this up to webrtc::Port when SignalAddressReady is
+  // TODO(mallinaht): Move this up to Port when SignalAddressReady is
   // changed to SignalPortReady.
   void MaybeSetPortCompleteOrError();
 
@@ -222,7 +222,7 @@
   // requests indefinitely to keep the NAT binding alive. Otherwise, stop
   // sending STUN binding requests after HIGH_COST_PORT_KEEPALIVE_LIFETIME.
   int GetStunKeepaliveLifetime() {
-    return (network_cost() >= webrtc::kNetworkCostHigh)
+    return (network_cost() >= kNetworkCostHigh)
                ? HIGH_COST_PORT_KEEPALIVE_LIFETIME
                : INFINITE_LIFETIME;
   }
diff --git a/p2p/base/stun_request.h b/p2p/base/stun_request.h
index 9c10e40..22a252e 100644
--- a/p2p/base/stun_request.h
+++ b/p2p/base/stun_request.h
@@ -42,8 +42,7 @@
  public:
   StunRequestManager(
       TaskQueueBase* thread,
-      std::function<void(const void*, size_t, webrtc::StunRequest*)>
-          send_packet);
+      std::function<void(const void*, size_t, StunRequest*)> send_packet);
   ~StunRequestManager();
 
   // Starts sending the given request (perhaps after a delay).
@@ -85,8 +84,7 @@
 
   TaskQueueBase* const thread_;
   RequestMap requests_ RTC_GUARDED_BY(thread_);
-  const std::function<void(const void*, size_t, webrtc::StunRequest*)>
-      send_packet_;
+  const std::function<void(const void*, size_t, StunRequest*)> send_packet_;
 };
 
 // Represents an individual request to be sent.  The STUN message can either be
diff --git a/p2p/base/tcp_port.h b/p2p/base/tcp_port.h
index 3f82c9d..6ea517a 100644
--- a/p2p/base/tcp_port.h
+++ b/p2p/base/tcp_port.h
@@ -174,7 +174,7 @@
   void OnDestroyed(Connection* c);
 
   TCPPort* tcp_port() {
-    RTC_DCHECK_EQ(port()->GetProtocol(), webrtc::PROTO_TCP);
+    RTC_DCHECK_EQ(port()->GetProtocol(), PROTO_TCP);
     return static_cast<TCPPort*>(port());
   }
 
diff --git a/p2p/base/turn_port_unittest.cc b/p2p/base/turn_port_unittest.cc
index dc20bdc..2e96fe3 100644
--- a/p2p/base/turn_port_unittest.cc
+++ b/p2p/base/turn_port_unittest.cc
@@ -1188,7 +1188,7 @@
 }
 
 // Regression test for crbug.com/webrtc/8972, caused by buggy comparison
-// between webrtc::IPAddress and webrtc::InterfaceAddress.
+// between IPAddress and InterfaceAddress.
 TEST_F(TurnPortTest, TCPPortNotDiscardedIfBoundToTemporaryIP) {
   networks_.emplace_back("unittest", "unittest", kLocalIPv6Addr.ipaddr(), 32);
   networks_.back().AddIP(
@@ -2147,10 +2147,10 @@
 TEST_F(TurnPortWithMockDnsResolverTest, TestHostnameResolved) {
   CreateTurnPort(kTurnUsername, kTurnPassword, kTurnPortValidHostnameProtoAddr);
   SetDnsResolverExpectations(
-      [](webrtc::MockAsyncDnsResolver* resolver,
-         webrtc::MockAsyncDnsResolverResult* resolver_result) {
+      [](MockAsyncDnsResolver* resolver,
+         MockAsyncDnsResolverResult* resolver_result) {
         EXPECT_CALL(*resolver, Start(kTurnValidAddr, /*family=*/AF_INET, _))
-            .WillOnce([](const webrtc::SocketAddress& addr, int family,
+            .WillOnce([](const SocketAddress& addr, int family,
                          absl::AnyInvocable<void()> callback) { callback(); });
         EXPECT_CALL(*resolver, result)
             .WillRepeatedly(ReturnPointee(resolver_result));
@@ -2168,10 +2168,10 @@
   CreateTurnPort(kLocalIPv6Addr, kTurnUsername, kTurnPassword,
                  kTurnPortValidHostnameProtoAddr);
   SetDnsResolverExpectations(
-      [](webrtc::MockAsyncDnsResolver* resolver,
-         webrtc::MockAsyncDnsResolverResult* resolver_result) {
+      [](MockAsyncDnsResolver* resolver,
+         MockAsyncDnsResolverResult* resolver_result) {
         EXPECT_CALL(*resolver, Start(kTurnValidAddr, /*family=*/AF_INET6, _))
-            .WillOnce([](const webrtc::SocketAddress& addr, int family,
+            .WillOnce([](const SocketAddress& addr, int family,
                          absl::AnyInvocable<void()> callback) { callback(); });
         EXPECT_CALL(*resolver, result)
             .WillRepeatedly(ReturnPointee(resolver_result));
diff --git a/p2p/client/basic_port_allocator.cc b/p2p/client/basic_port_allocator.cc
index fa12319..cf370d9 100644
--- a/p2p/client/basic_port_allocator.cc
+++ b/p2p/client/basic_port_allocator.cc
@@ -704,9 +704,7 @@
   // Filter out link-local networks if needed.
   if (flags() & PORTALLOCATOR_DISABLE_LINK_LOCAL_NETWORKS) {
     NetworkFilter link_local_filter(
-        [](const webrtc::Network* network) {
-          return IPIsLinkLocal(network->prefix());
-        },
+        [](const Network* network) { return IPIsLinkLocal(network->prefix()); },
         "link-local");
     FilterNetworks(&networks, link_local_filter);
   }
diff --git a/p2p/client/basic_port_allocator.h b/p2p/client/basic_port_allocator.h
index 3af4d1b..01d118a 100644
--- a/p2p/client/basic_port_allocator.h
+++ b/p2p/client/basic_port_allocator.h
@@ -103,7 +103,7 @@
   NetworkManager* network_manager_;
   // Always externally-owned pointer to a socket factory.
   PacketSocketFactory* const socket_factory_;
-  int network_ignore_mask_ = webrtc::kDefaultNetworkIgnoreMask;
+  int network_ignore_mask_ = kDefaultNetworkIgnoreMask;
 
   AlwaysValidPointer<RelayPortFactoryInterface, TurnPortFactory>
       relay_port_factory_;
@@ -143,7 +143,7 @@
   // the type of candidates to gather and the candidate filter only controls the
   // signaling of candidates. As a result, with the candidate filter changed
   // alone, all newly allowed candidates for signaling should already be
-  // gathered by the respective webrtc::Port.
+  // gathered by the respective Port.
   void SetCandidateFilter(uint32_t filter) override;
   void StartGettingPorts() override;
   void StopGettingPorts() override;
@@ -151,7 +151,7 @@
   bool IsGettingPorts() override;
   bool IsCleared() const override;
   bool IsStopped() const override;
-  // These will all be webrtc::Ports.
+  // These will all be Ports.
   std::vector<PortInterface*> ReadyPorts() const override;
   std::vector<Candidate> ReadyCandidates() const override;
   bool CandidatesAllocationDone() const override;
@@ -286,7 +286,7 @@
   std::vector<AllocationSequence*> sequences_;
   std::vector<PortData> ports_;
   std::vector<IceCandidateErrorEvent> candidate_error_events_;
-  uint32_t candidate_filter_ = webrtc::CF_ALL;
+  uint32_t candidate_filter_ = CF_ALL;
   // Policy on how to prune turn ports, taken from the port allocator.
   PortPrunePolicy turn_port_prune_policy_;
   SessionState state_ = SessionState::CLEARED;
diff --git a/p2p/client/basic_port_allocator_unittest.cc b/p2p/client/basic_port_allocator_unittest.cc
index c022efe..c8e5464 100644
--- a/p2p/client/basic_port_allocator_unittest.cc
+++ b/p2p/client/basic_port_allocator_unittest.cc
@@ -1597,7 +1597,7 @@
   EXPECT_TRUE(
       HasCandidate(candidates_, IceCandidateType::kHost, "tcp", kClientAddr));
   // We wait at least for a full STUN timeout, which
-  // webrtc::STUN_TOTAL_TIMEOUT seconds.
+  // STUN_TOTAL_TIMEOUT seconds.
   EXPECT_THAT(WaitUntil([&] { return candidate_allocation_done_; }, IsTrue(),
                         {.timeout = TimeDelta::Millis(STUN_TOTAL_TIMEOUT),
                          .clock = &fake_clock}),
@@ -2524,7 +2524,7 @@
                  .clock = &fake_clock}),
       IsRtcOk());
   EXPECT_TRUE(candidates_.back().is_local());
-  // We use a shared socket and webrtc::UDPPort handles the srflx candidate.
+  // We use a shared socket and UDPPort handles the srflx candidate.
   EXPECT_EQ(2u, ports_.size());
 }
 
diff --git a/p2p/dtls/dtls_ice_integrationtest.cc b/p2p/dtls/dtls_ice_integrationtest.cc
index 240c147..4f692b9 100644
--- a/p2p/dtls/dtls_ice_integrationtest.cc
+++ b/p2p/dtls/dtls_ice_integrationtest.cc
@@ -63,17 +63,17 @@
 class DtlsIceIntegrationTest : public ::testing::TestWithParam<std::tuple<
                                    /* 0 client_piggyback= */ bool,
                                    /* 1 server_piggyback= */ bool,
-                                   webrtc::SSLProtocolVersion,
+                                   SSLProtocolVersion,
                                    /* 3 client_dtls_is_ice_controlling= */ bool,
                                    /* 4 client_pqc= */ bool,
                                    /* 5 server_pqc= */ bool>>,
                                public sigslot::has_slots<> {
  public:
-  void CandidateC2S(webrtc::IceTransportInternal*, const webrtc::Candidate& c) {
+  void CandidateC2S(IceTransportInternal*, const Candidate& c) {
     server_thread()->PostTask(
         [this, c = c]() { server_.ice->AddRemoteCandidate(c); });
   }
-  void CandidateS2C(webrtc::IceTransportInternal*, const webrtc::Candidate& c) {
+  void CandidateS2C(IceTransportInternal*, const Candidate& c) {
     client_thread()->PostTask(
         [this, c = c]() { client_.ice->AddRemoteCandidate(c); });
   }
@@ -86,17 +86,17 @@
           dtls_stun_piggyback(dtls_in_stun),
           pqc(pqc_) {}
 
-    webrtc::EmulatedNetworkManagerInterface* emulated_network_manager = nullptr;
-    std::unique_ptr<webrtc::NetworkManager> network_manager;
-    std::unique_ptr<webrtc::BasicPacketSocketFactory> packet_socket_factory;
-    std::unique_ptr<webrtc::PortAllocator> allocator;
-    std::unique_ptr<webrtc::IceTransportInternal> ice;
+    EmulatedNetworkManagerInterface* emulated_network_manager = nullptr;
+    std::unique_ptr<NetworkManager> network_manager;
+    std::unique_ptr<BasicPacketSocketFactory> packet_socket_factory;
+    std::unique_ptr<PortAllocator> allocator;
+    std::unique_ptr<IceTransportInternal> ice;
     std::unique_ptr<DtlsTransportInternalImpl> dtls;
 
     // SetRemoteFingerprintFromCert does not actually set the fingerprint,
     // but only store it for setting later.
     bool store_but_dont_set_remote_fingerprint = false;
-    std::unique_ptr<webrtc::SSLFingerprint> remote_fingerprint;
+    std::unique_ptr<SSLFingerprint> remote_fingerprint;
 
     Environment env;
     bool dtls_stun_piggyback;
@@ -105,14 +105,13 @@
 
  protected:
   DtlsIceIntegrationTest()
-      : ss_(std::make_unique<webrtc::VirtualSocketServer>()),
-        socket_factory_(
-            std::make_unique<webrtc::BasicPacketSocketFactory>(ss_.get())),
+      : ss_(std::make_unique<VirtualSocketServer>()),
+        socket_factory_(std::make_unique<BasicPacketSocketFactory>(ss_.get())),
         client_(std::get<0>(GetParam()),
-                std::get<2>(GetParam()) == webrtc::SSL_PROTOCOL_DTLS_13 &&
+                std::get<2>(GetParam()) == SSL_PROTOCOL_DTLS_13 &&
                     std::get<4>(GetParam())),
         server_(std::get<1>(GetParam()),
-                std::get<2>(GetParam()) == webrtc::SSL_PROTOCOL_DTLS_13 &&
+                std::get<2>(GetParam()) == SSL_PROTOCOL_DTLS_13 &&
                     std::get<5>(GetParam())),
         client_ice_parameters_("c_ufrag",
                                "c_icepwd_something_something",
@@ -122,11 +121,11 @@
                                false) {}
 
   void ConfigureEmulatedNetwork() {
-    network_emulation_manager_ = webrtc::CreateNetworkEmulationManager(
-        {.time_mode = webrtc::TimeMode::kSimulated});
+    network_emulation_manager_ =
+        CreateNetworkEmulationManager({.time_mode = TimeMode::kSimulated});
 
     BuiltInNetworkBehaviorConfig networkBehavior;
-    networkBehavior.link_capacity = webrtc::DataRate::KilobitsPerSec(220);
+    networkBehavior.link_capacity = DataRate::KilobitsPerSec(220);
     // TODO (webrtc:383141571) : Investigate why this testcase fails for
     // DTLS 1.3 delay if networkBehavior.queue_delay_ms = 100ms.
     // - unless both peers support dtls in stun, in which case it passes.
@@ -142,31 +141,29 @@
     server_.emulated_network_manager = pair.second;
   }
 
-  void SetupEndpoint(
-      Endpoint& ep,
-      bool client,
-      const scoped_refptr<webrtc::RTCCertificate> client_certificate,
-      const scoped_refptr<webrtc::RTCCertificate> server_certificate) {
+  void SetupEndpoint(Endpoint& ep,
+                     bool client,
+                     const scoped_refptr<RTCCertificate> client_certificate,
+                     const scoped_refptr<RTCCertificate> server_certificate) {
     thread(ep)->BlockingCall([&]() {
       if (!network_manager_) {
         network_manager_ =
             std::make_unique<FakeNetworkManager>(Thread::Current());
       }
       if (network_emulation_manager_ == nullptr) {
-        ep.allocator = std::make_unique<webrtc::BasicPortAllocator>(
+        ep.allocator = std::make_unique<BasicPortAllocator>(
             ep.env, network_manager_.get(), socket_factory_.get());
       } else {
         ep.network_manager =
             ep.emulated_network_manager->ReleaseNetworkManager();
-        ep.packet_socket_factory =
-            std::make_unique<webrtc::BasicPacketSocketFactory>(
-                ep.emulated_network_manager->socket_factory());
-        ep.allocator = std::make_unique<webrtc::BasicPortAllocator>(
+        ep.packet_socket_factory = std::make_unique<BasicPacketSocketFactory>(
+            ep.emulated_network_manager->socket_factory());
+        ep.allocator = std::make_unique<BasicPortAllocator>(
             ep.env, ep.network_manager.get(), ep.packet_socket_factory.get());
       }
       ep.allocator->set_flags(ep.allocator->flags() |
-                              webrtc::PORTALLOCATOR_DISABLE_TCP);
-      ep.ice = std::make_unique<webrtc::P2PTransportChannel>(
+                              PORTALLOCATOR_DISABLE_TCP);
+      ep.ice = std::make_unique<P2PTransportChannel>(
           client ? "client_transport" : "server_transport", 0,
           ep.allocator.get(), &ep.env.field_trials());
       CryptoOptions crypto_options;
@@ -181,8 +178,8 @@
 
       // Enable(or disable) the dtls_in_stun parameter before
       // DTLS is negotiated.
-      webrtc::IceConfig config;
-      config.continual_gathering_policy = webrtc::GATHER_CONTINUALLY;
+      IceConfig config;
+      config.continual_gathering_policy = GATHER_CONTINUALLY;
       config.dtls_handshake_in_stun = ep.dtls_stun_piggyback;
       ep.ice->SetIceConfig(config);
 
@@ -192,13 +189,11 @@
       ep.ice->SetRemoteIceParameters(client ? server_ice_parameters_
                                             : client_ice_parameters_);
       if (client) {
-        ep.ice->SetIceRole(std::get<3>(GetParam())
-                               ? webrtc::ICEROLE_CONTROLLED
-                               : webrtc::ICEROLE_CONTROLLING);
+        ep.ice->SetIceRole(std::get<3>(GetParam()) ? ICEROLE_CONTROLLED
+                                                   : ICEROLE_CONTROLLING);
       } else {
-        ep.ice->SetIceRole(std::get<3>(GetParam())
-                               ? webrtc::ICEROLE_CONTROLLING
-                               : webrtc::ICEROLE_CONTROLLED);
+        ep.ice->SetIceRole(std::get<3>(GetParam()) ? ICEROLE_CONTROLLING
+                                                   : ICEROLE_CONTROLLED);
       }
       if (client) {
         ep.ice->SignalCandidateGathered.connect(
@@ -209,7 +204,7 @@
       }
 
       // Setup DTLS.
-      ep.dtls->SetDtlsRole(client ? webrtc::SSL_SERVER : webrtc::SSL_CLIENT);
+      ep.dtls->SetDtlsRole(client ? SSL_SERVER : SSL_CLIENT);
       SetLocalCertificate(ep, client ? client_certificate : server_certificate);
       SetRemoteFingerprintFromCert(
           ep, client ? server_certificate : client_certificate);
@@ -217,13 +212,13 @@
   }
 
   void Prepare() {
-    auto client_certificate = webrtc::RTCCertificate::Create(
-        webrtc::SSLIdentity::Create("test", webrtc::KT_DEFAULT));
-    auto server_certificate = webrtc::RTCCertificate::Create(
-        webrtc::SSLIdentity::Create("test", webrtc::KT_DEFAULT));
+    auto client_certificate =
+        RTCCertificate::Create(SSLIdentity::Create("test", KT_DEFAULT));
+    auto server_certificate =
+        RTCCertificate::Create(SSLIdentity::Create("test", KT_DEFAULT));
 
     if (network_emulation_manager_ == nullptr) {
-      thread_ = std::make_unique<webrtc::AutoSocketServerThread>(ss_.get());
+      thread_ = std::make_unique<AutoSocketServerThread>(ss_.get());
     }
 
     client_thread()->BlockingCall([&]() {
@@ -238,7 +233,7 @@
 
     // Setup the network.
     if (network_emulation_manager_ == nullptr) {
-      network_manager_->AddInterface(webrtc::SocketAddress("192.168.1.1", 0));
+      network_manager_->AddInterface(SocketAddress("192.168.1.1", 0));
     }
 
     client_thread()->BlockingCall([&]() { client_.allocator->Initialize(); });
@@ -262,9 +257,9 @@
   ~DtlsIceIntegrationTest() = default;
 
   static int CountConnectionsWithFilter(
-      webrtc::IceTransportInternal* ice,
-      std::function<bool(const webrtc::ConnectionInfo&)> filter) {
-    webrtc::IceTransportStats stats;
+      IceTransportInternal* ice,
+      std::function<bool(const ConnectionInfo&)> filter) {
+    IceTransportStats stats;
     ice->GetStats(&stats);
     int count = 0;
     for (const auto& con : stats.connection_infos) {
@@ -275,30 +270,30 @@
     return count;
   }
 
-  static int CountConnections(webrtc::IceTransportInternal* ice) {
+  static int CountConnections(IceTransportInternal* ice) {
     return CountConnectionsWithFilter(ice, [](auto con) { return true; });
   }
 
-  static int CountWritableConnections(webrtc::IceTransportInternal* ice) {
+  static int CountWritableConnections(IceTransportInternal* ice) {
     return CountConnectionsWithFilter(ice,
                                       [](auto con) { return con.writable; });
   }
 
-  webrtc::WaitUntilSettings wait_until_settings() {
+  WaitUntilSettings wait_until_settings() {
     if (network_emulation_manager_ == nullptr) {
       return {
-          .timeout = webrtc::TimeDelta::Millis(kDefaultTimeout),
+          .timeout = TimeDelta::Millis(kDefaultTimeout),
           .clock = &fake_clock_,
       };
     } else {
       return {
-          .timeout = webrtc::TimeDelta::Millis(kDefaultTimeout),
+          .timeout = TimeDelta::Millis(kDefaultTimeout),
           .clock = network_emulation_manager_->time_controller(),
       };
     }
   }
 
-  webrtc::Thread* thread(Endpoint& ep) {
+  Thread* thread(Endpoint& ep) {
     if (ep.emulated_network_manager == nullptr) {
       return thread_.get();
     } else {
@@ -306,14 +301,13 @@
     }
   }
 
-  webrtc::Thread* client_thread() { return thread(client_); }
+  Thread* client_thread() { return thread(client_); }
 
-  webrtc::Thread* server_thread() { return thread(server_); }
+  Thread* server_thread() { return thread(server_); }
 
   void SetRemoteFingerprintFromCert(Endpoint& ep,
                                     const scoped_refptr<RTCCertificate>& cert) {
-    ep.remote_fingerprint =
-        webrtc::SSLFingerprint::CreateFromCertificate(*cert);
+    ep.remote_fingerprint = SSLFingerprint::CreateFromCertificate(*cert);
     if (ep.store_but_dont_set_remote_fingerprint) {
       return;
     }
@@ -338,18 +332,18 @@
     ep.dtls->SetLocalCertificate(certificate);
   }
 
-  webrtc::ScopedFakeClock fake_clock_;
-  std::unique_ptr<webrtc::VirtualSocketServer> ss_;
-  std::unique_ptr<webrtc::BasicPacketSocketFactory> socket_factory_;
-  std::unique_ptr<webrtc::NetworkEmulationManager> network_emulation_manager_;
-  std::unique_ptr<webrtc::AutoSocketServerThread> thread_;
-  std::unique_ptr<webrtc::FakeNetworkManager> network_manager_;
+  ScopedFakeClock fake_clock_;
+  std::unique_ptr<VirtualSocketServer> ss_;
+  std::unique_ptr<BasicPacketSocketFactory> socket_factory_;
+  std::unique_ptr<NetworkEmulationManager> network_emulation_manager_;
+  std::unique_ptr<AutoSocketServerThread> thread_;
+  std::unique_ptr<FakeNetworkManager> network_manager_;
 
   Endpoint client_;
   Endpoint server_;
 
-  webrtc::IceParameters client_ice_parameters_;
-  webrtc::IceParameters server_ice_parameters_;
+  IceParameters client_ice_parameters_;
+  IceParameters server_ice_parameters_;
 };
 
 TEST_P(DtlsIceIntegrationTest, SmokeTest) {
@@ -359,10 +353,10 @@
 
   // Note: this only reaches the pending piggybacking state.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return client_.dtls->writable() && server_.dtls->writable(); },
           IsTrue(), wait_until_settings()),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   EXPECT_EQ(client_.dtls->IsDtlsPiggybackSupportedByPeer(),
             client_.dtls_stun_piggyback && server_.dtls_stun_piggyback);
   EXPECT_EQ(server_.dtls->IsDtlsPiggybackSupportedByPeer(),
@@ -390,14 +384,14 @@
   }
 
   // Validate that we can add new Connections (that become writable).
-  network_manager_->AddInterface(webrtc::SocketAddress("192.168.2.1", 0));
-  EXPECT_THAT(webrtc::WaitUntil(
+  network_manager_->AddInterface(SocketAddress("192.168.2.1", 0));
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return CountWritableConnections(client_.ice.get()) > 1 &&
                            CountWritableConnections(server_.ice.get()) > 1;
                   },
                   IsTrue(), wait_until_settings()),
-              webrtc::IsRtcOk());
+              IsRtcOk());
 }
 
 // Check that DtlsInStun still works even if SetRemoteFingerprint is called
@@ -410,17 +404,16 @@
   server_.ice->MaybeStartGathering();
 
   ASSERT_THAT(
-      webrtc::WaitUntil(
-          [&] { return CountWritableConnections(client_.ice.get()) > 0; },
-          IsTrue(), wait_until_settings()),
-      webrtc::IsRtcOk());
+      WaitUntil([&] { return CountWritableConnections(client_.ice.get()) > 0; },
+                IsTrue(), wait_until_settings()),
+      IsRtcOk());
   SetRemoteFingerprint(client_);
 
   ASSERT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return client_.dtls->writable() && server_.dtls->writable(); },
           IsTrue(), wait_until_settings()),
-      webrtc::IsRtcOk());
+      IsRtcOk());
 
   EXPECT_EQ(client_.dtls->IsDtlsPiggybackSupportedByPeer(),
             client_.dtls_stun_piggyback && server_.dtls_stun_piggyback);
@@ -451,7 +444,7 @@
 
   server_thread()->PostTask([&]() { server_.ice->MaybeStartGathering(); });
 
-  EXPECT_THAT(webrtc::WaitUntil(
+  EXPECT_THAT(WaitUntil(
                   [&] {
                     return client_thread()->BlockingCall([&]() {
                       return client_.dtls->writable();
@@ -460,7 +453,7 @@
                     });
                   },
                   IsTrue(), wait_until_settings()),
-              webrtc::IsRtcOk());
+              IsRtcOk());
 
   EXPECT_EQ(client_thread()->BlockingCall([&]() {
     return client_.dtls->IsDtlsPiggybackSupportedByPeer();
@@ -488,10 +481,10 @@
 
   // Note: this only reaches the pending piggybacking state.
   EXPECT_THAT(
-      webrtc::WaitUntil(
+      WaitUntil(
           [&] { return client_.dtls->writable() && server_.dtls->writable(); },
           IsTrue(), wait_until_settings()),
-      webrtc::IsRtcOk());
+      IsRtcOk());
   EXPECT_EQ(client_.dtls->IsDtlsPiggybackSupportedByPeer(),
             client_.dtls_stun_piggyback && server_.dtls_stun_piggyback);
   EXPECT_EQ(server_.dtls->IsDtlsPiggybackSupportedByPeer(),
@@ -528,8 +521,8 @@
     DtlsIceIntegrationTest,
     ::testing::Combine(testing::Bool(),
                        testing::Bool(),
-                       testing::Values(webrtc::SSL_PROTOCOL_DTLS_12,
-                                       webrtc::SSL_PROTOCOL_DTLS_13),
+                       testing::Values(SSL_PROTOCOL_DTLS_12,
+                                       SSL_PROTOCOL_DTLS_13),
                        testing::Bool(),
                        testing::Bool(),
                        testing::Bool()));
diff --git a/p2p/dtls/dtls_stun_piggyback_callbacks.h b/p2p/dtls/dtls_stun_piggyback_callbacks.h
index 4c8b226..e9c176c 100644
--- a/p2p/dtls/dtls_stun_piggyback_callbacks.h
+++ b/p2p/dtls/dtls_stun_piggyback_callbacks.h
@@ -32,14 +32,13 @@
       // - an optional DTLS_IN_STUN_ACK attribute
       absl::AnyInvocable<std::pair<std::optional<absl::string_view>,
                                    std::optional<absl::string_view>>(
-          /* request-type */ webrtc::StunMessageType)>&& send_data,
+          /* request-type */ StunMessageType)>&& send_data,
 
       // Function invoked when receiving a STUN_BINDING { REQUEST / RESPONSE }
       // contains the (nullable) DTLS_IN_STUN and DTLS_IN_STUN_ACK attributes.
-      absl::AnyInvocable<
-          void(const webrtc::StunByteStringAttribute* /* DTLS_IN_STUN */,
-               const webrtc::StunByteStringAttribute* /* DTLS_IN_STUN_ACK */)>&&
-          recv_data)
+      absl::AnyInvocable<void(
+          const StunByteStringAttribute* /* DTLS_IN_STUN */,
+          const StunByteStringAttribute* /* DTLS_IN_STUN_ACK */)>&& recv_data)
       : send_data_(std::move(send_data)), recv_data_(std::move(recv_data)) {
     RTC_DCHECK(
         // either all set
@@ -69,11 +68,11 @@
  private:
   absl::AnyInvocable<std::pair<std::optional<absl::string_view>,
                                std::optional<absl::string_view>>(
-      /* request-type */ webrtc::StunMessageType)>
+      /* request-type */ StunMessageType)>
       send_data_;
   absl::AnyInvocable<void(
-      const webrtc::StunByteStringAttribute* /* DTLS_IN_STUN */,
-      const webrtc::StunByteStringAttribute* /* DTLS_IN_STUN_ACK */)>
+      const StunByteStringAttribute* /* DTLS_IN_STUN */,
+      const StunByteStringAttribute* /* DTLS_IN_STUN_ACK */)>
       recv_data_;
 };
 
diff --git a/p2p/dtls/dtls_stun_piggyback_controller.h b/p2p/dtls/dtls_stun_piggyback_controller.h
index 9f9c3e9..ad9b97a 100644
--- a/p2p/dtls/dtls_stun_piggyback_controller.h
+++ b/p2p/dtls/dtls_stun_piggyback_controller.h
@@ -37,8 +37,7 @@
   // dtls_data_callback will be called with any DTLS packets received
   // piggybacked.
   DtlsStunPiggybackController(
-      absl::AnyInvocable<void(webrtc::ArrayView<const uint8_t>)>
-          dtls_data_callback);
+      absl::AnyInvocable<void(ArrayView<const uint8_t>)> dtls_data_callback);
   ~DtlsStunPiggybackController();
 
   enum class State {
diff --git a/p2p/dtls/dtls_transport.cc b/p2p/dtls/dtls_transport.cc
index 85c27d2..0d2dbc8 100644
--- a/p2p/dtls/dtls_transport.cc
+++ b/p2p/dtls/dtls_transport.cc
@@ -571,13 +571,13 @@
       // Can't send anything when we're failed.
       RTC_LOG(LS_ERROR) << ToString()
                         << ": Couldn't send packet due to "
-                           "webrtc::DtlsTransportState::kFailed.";
+                           "DtlsTransportState::kFailed.";
       return -1;
     case DtlsTransportState::kClosed:
       // Can't send anything when we're closed.
       RTC_LOG(LS_ERROR) << ToString()
                         << ": Couldn't send packet due to "
-                           "webrtc::DtlsTransportState::kClosed.";
+                           "DtlsTransportState::kClosed.";
       return -1;
     default:
       RTC_DCHECK_NOTREACHED();
@@ -729,13 +729,13 @@
       // Should not happen. Do nothing.
       RTC_LOG(LS_ERROR) << ToString()
                         << ": OnWritableState() called in state "
-                           "webrtc::DtlsTransportState::kFailed.";
+                           "DtlsTransportState::kFailed.";
       break;
     case DtlsTransportState::kClosed:
       // Should not happen. Do nothing.
       RTC_LOG(LS_ERROR) << ToString()
                         << ": OnWritableState() called in state "
-                           "webrtc::DtlsTransportState::kClosed.";
+                           "DtlsTransportState::kClosed.";
       break;
     case DtlsTransportState::kNumValues:
       RTC_DCHECK_NOTREACHED();
diff --git a/p2p/dtls/dtls_transport.h b/p2p/dtls/dtls_transport.h
index a7fb055..edf0635 100644
--- a/p2p/dtls/dtls_transport.h
+++ b/p2p/dtls/dtls_transport.h
@@ -54,10 +54,10 @@
 // the bottom and a StreamInterface on the top.
 class StreamInterfaceChannel : public StreamInterface {
  public:
-  explicit StreamInterfaceChannel(webrtc::IceTransportInternal* ice_transport);
+  explicit StreamInterfaceChannel(IceTransportInternal* ice_transport);
 
   void SetDtlsStunPiggybackController(
-      webrtc::DtlsStunPiggybackController* dtls_stun_piggyback_controller);
+      DtlsStunPiggybackController* dtls_stun_piggyback_controller);
 
   StreamInterfaceChannel(const StreamInterfaceChannel&) = delete;
   StreamInterfaceChannel& operator=(const StreamInterfaceChannel&) = delete;
@@ -78,11 +78,11 @@
   bool Flush() override;
 
  private:
-  webrtc::IceTransportInternal* const ice_transport_;  // owned by DtlsTransport
-  webrtc::DtlsStunPiggybackController* dtls_stun_piggyback_controller_ =
+  IceTransportInternal* const ice_transport_;  // owned by DtlsTransport
+  DtlsStunPiggybackController* dtls_stun_piggyback_controller_ =
       nullptr;  // owned by DtlsTransport
   StreamState state_ RTC_GUARDED_BY(callback_sequence_);
-  webrtc::BufferQueue packets_ RTC_GUARDED_BY(callback_sequence_);
+  BufferQueue packets_ RTC_GUARDED_BY(callback_sequence_);
 };
 
 // This class provides a DTLS SSLStreamAdapter inside a TransportChannel-style
@@ -113,7 +113,7 @@
 //
 // This class is not thread safe; all methods must be called on the same thread
 // as the constructor.
-class DtlsTransportInternalImpl : public webrtc::DtlsTransportInternal {
+class DtlsTransportInternalImpl : public DtlsTransportInternal {
  public:
   // `ice_transport` is the ICE transport this DTLS transport is wrapping.  It
   // must outlive this DTLS transport.
@@ -124,10 +124,10 @@
   // `event_log` is an optional RtcEventLog for logging state changes. It should
   // outlive the DtlsTransport.
   DtlsTransportInternalImpl(
-      webrtc::IceTransportInternal* ice_transport,
-      const webrtc::CryptoOptions& crypto_options,
-      webrtc::RtcEventLog* event_log,
-      webrtc::SSLProtocolVersion max_version = webrtc::SSL_PROTOCOL_DTLS_12);
+      IceTransportInternal* ice_transport,
+      const CryptoOptions& crypto_options,
+      RtcEventLog* event_log,
+      SSLProtocolVersion max_version = SSL_PROTOCOL_DTLS_12);
 
   ~DtlsTransportInternalImpl() override;
 
@@ -135,7 +135,7 @@
   DtlsTransportInternalImpl& operator=(const DtlsTransportInternalImpl&) =
       delete;
 
-  webrtc::DtlsTransportState dtls_state() const override;
+  DtlsTransportState dtls_state() const override;
   const std::string& transport_name() const override;
   int component() const override;
 
@@ -151,8 +151,8 @@
   // being "active" or not (acting as a passthrough if not active), just require
   // this certificate on construction or "Start".
   bool SetLocalCertificate(
-      const scoped_refptr<webrtc::RTCCertificate>& certificate) override;
-  scoped_refptr<webrtc::RTCCertificate> GetLocalCertificate() const override;
+      const scoped_refptr<RTCCertificate>& certificate) override;
+  scoped_refptr<RTCCertificate> GetLocalCertificate() const override;
 
   // SetRemoteFingerprint must be called after SetLocalCertificate, and any
   // other methods like SetDtlsRole. It's what triggers the actual DTLS setup.
@@ -162,11 +162,10 @@
                             size_t digest_len) override;
 
   // SetRemoteParameters must be called after SetLocalCertificate.
-  webrtc::RTCError SetRemoteParameters(
-      absl::string_view digest_alg,
-      const uint8_t* digest,
-      size_t digest_len,
-      std::optional<webrtc::SSLRole> role) override;
+  RTCError SetRemoteParameters(absl::string_view digest_alg,
+                               const uint8_t* digest,
+                               size_t digest_len,
+                               std::optional<SSLRole> role) override;
 
   // Called to send a packet (via DTLS, if turned on).
   int SendPacket(const char* data,
@@ -174,7 +173,7 @@
                  const AsyncSocketPacketOptions& options,
                  int flags) override;
 
-  bool GetOption(webrtc::Socket::Option opt, int* value) override;
+  bool GetOption(Socket::Option opt, int* value) override;
 
   // Find out which TLS version was negotiated
   bool GetSslVersionBytes(int* version) const override;
@@ -190,8 +189,8 @@
   // If not applicable, it returns zero.
   uint16_t GetSslPeerSignatureAlgorithm() const override;
 
-  bool GetDtlsRole(webrtc::SSLRole* role) const override;
-  bool SetDtlsRole(webrtc::SSLRole role) override;
+  bool GetDtlsRole(SSLRole* role) const override;
+  bool SetDtlsRole(SSLRole role) override;
 
   // Find out which DTLS cipher was negotiated
   bool GetSslCipherSuite(int* cipher) const override;
@@ -200,7 +199,7 @@
   // Once DTLS has been established, this method retrieves the certificate
   // chain in use by the remote peer, for use in external identity
   // verification.
-  std::unique_ptr<webrtc::SSLCertChain> GetRemoteSSLCertChain() const override;
+  std::unique_ptr<SSLCertChain> GetRemoteSSLCertChain() const override;
 
   // Once DTLS has established (i.e., this ice_transport is writable), this
   // method extracts the keys negotiated during the DTLS handshake, for use in
@@ -208,7 +207,7 @@
   bool ExportSrtpKeyingMaterial(
       ZeroOnFreeBuffer<uint8_t>& keying_material) override;
 
-  webrtc::IceTransportInternal* ice_transport() override;
+  IceTransportInternal* ice_transport() override;
 
   // For informational purposes. Tells if the DTLS handshake has finished.
   // This may be true even if writable() is false, if the remote fingerprint
@@ -220,9 +219,9 @@
 
   int GetError() override;
 
-  std::optional<webrtc::NetworkRoute> network_route() const override;
+  std::optional<NetworkRoute> network_route() const override;
 
-  int SetOption(webrtc::Socket::Option opt, int value) override;
+  int SetOption(Socket::Option opt, int value) override;
 
   std::string ToString() const {
     const absl::string_view RECEIVING_ABBREV[2] = {"_", "R"};
@@ -247,48 +246,47 @@
  private:
   void ConnectToIceTransport();
 
-  void OnWritableState(webrtc::PacketTransportInternal* transport);
-  void OnReadPacket(webrtc::PacketTransportInternal* transport,
+  void OnWritableState(PacketTransportInternal* transport);
+  void OnReadPacket(PacketTransportInternal* transport,
                     const ReceivedIpPacket& packet,
                     bool piggybacked);
-  void OnSentPacket(webrtc::PacketTransportInternal* transport,
+  void OnSentPacket(PacketTransportInternal* transport,
                     const SentPacketInfo& sent_packet);
-  void OnReadyToSend(webrtc::PacketTransportInternal* transport);
-  void OnReceivingState(webrtc::PacketTransportInternal* transport);
+  void OnReadyToSend(PacketTransportInternal* transport);
+  void OnReceivingState(PacketTransportInternal* transport);
   void OnDtlsEvent(int sig, int err);
-  void OnNetworkRouteChanged(std::optional<webrtc::NetworkRoute> network_route);
+  void OnNetworkRouteChanged(std::optional<NetworkRoute> network_route);
   bool SetupDtls();
   void MaybeStartDtls();
   bool HandleDtlsPacket(ArrayView<const uint8_t> payload);
-  void OnDtlsHandshakeError(webrtc::SSLHandshakeError error);
+  void OnDtlsHandshakeError(SSLHandshakeError error);
   void ConfigureHandshakeTimeout();
 
   void set_receiving(bool receiving);
   void set_writable(bool writable);
   // Sets the DTLS state, signaling if necessary.
-  void set_dtls_state(webrtc::DtlsTransportState state);
+  void set_dtls_state(DtlsTransportState state);
   void SetPiggybackDtlsDataCallback(
-      absl::AnyInvocable<void(webrtc::PacketTransportInternal* transport,
-                              const webrtc::ReceivedIpPacket& packet)>
-          callback);
+      absl::AnyInvocable<void(PacketTransportInternal* transport,
+                              const ReceivedIpPacket& packet)> callback);
   void PeriodicRetransmitDtlsPacketUntilDtlsConnected();
 
-  RTC_NO_UNIQUE_ADDRESS webrtc::SequenceChecker thread_checker_;
+  RTC_NO_UNIQUE_ADDRESS SequenceChecker thread_checker_;
 
   const int component_;
-  webrtc::DtlsTransportState dtls_state_ = webrtc::DtlsTransportState::kNew;
+  DtlsTransportState dtls_state_ = DtlsTransportState::kNew;
   // Underlying ice_transport, not owned by this class.
-  webrtc::IceTransportInternal* const ice_transport_;
-  std::unique_ptr<webrtc::SSLStreamAdapter> dtls_;  // The DTLS stream
+  IceTransportInternal* const ice_transport_;
+  std::unique_ptr<SSLStreamAdapter> dtls_;  // The DTLS stream
   StreamInterfaceChannel*
       downward_;  // Wrapper for ice_transport_, owned by dtls_.
   const std::vector<int> srtp_ciphers_;  // SRTP ciphers to use with DTLS.
   // Cipher groups used for DTLS handshake to establish ephemeral key.
   const std::vector<uint16_t> ephemeral_key_exchange_cipher_groups_;
   bool dtls_active_ = false;
-  scoped_refptr<webrtc::RTCCertificate> local_certificate_;
-  std::optional<webrtc::SSLRole> dtls_role_;
-  const webrtc::SSLProtocolVersion ssl_max_version_;
+  scoped_refptr<RTCCertificate> local_certificate_;
+  std::optional<SSLRole> dtls_role_;
+  const SSLProtocolVersion ssl_max_version_;
   Buffer remote_fingerprint_value_;
   std::string remote_fingerprint_algorithm_;
 
@@ -306,7 +304,7 @@
   // of the stack.
   bool ice_has_been_writable_ = false;
 
-  webrtc::RtcEventLog* const event_log_;
+  RtcEventLog* const event_log_;
 
   // Initialized in constructor based on WebRTC-IceHandshakeDtls,
   // (so that we return PIGGYBACK_ACK to client if we get STUN_BINDING_REQUEST
@@ -314,10 +312,9 @@
   bool dtls_in_stun_ = false;
 
   // A controller for piggybacking DTLS in STUN.
-  webrtc::DtlsStunPiggybackController dtls_stun_piggyback_controller_;
+  DtlsStunPiggybackController dtls_stun_piggyback_controller_;
 
-  absl::AnyInvocable<void(webrtc::PacketTransportInternal*,
-                          const webrtc::ReceivedIpPacket&)>
+  absl::AnyInvocable<void(PacketTransportInternal*, const ReceivedIpPacket&)>
       piggybacked_dtls_callback_;
 
   // When ICE get writable during dtls piggybacked handshake
@@ -325,7 +322,7 @@
   // in boringssl (that is work in progress). Therefore
   // DtlsTransportInternalImpl has a "hack" to periodically retransmit.
   bool pending_periodic_retransmit_dtls_packet_ = false;
-  webrtc::ScopedTaskSafetyDetached safety_flag_;
+  ScopedTaskSafetyDetached safety_flag_;
 };
 
 }  // namespace webrtc
diff --git a/p2p/dtls/dtls_transport_internal.h b/p2p/dtls/dtls_transport_internal.h
index c5df3c5..c54d567 100644
--- a/p2p/dtls/dtls_transport_internal.h
+++ b/p2p/dtls/dtls_transport_internal.h
@@ -115,7 +115,7 @@
   // Expose the underneath IceTransport.
   virtual IceTransportInternal* ice_transport() = 0;
 
-  // F: void(DtlsTransportInternal*, const webrtc::DtlsTransportState)
+  // F: void(DtlsTransportInternal*, const DtlsTransportState)
   template <typename F>
   void SubscribeDtlsTransportState(F&& callback) {
     dtls_transport_state_callback_list_.AddReceiver(std::forward<F>(callback));
@@ -137,7 +137,7 @@
   }
 
   // Emitted whenever the Dtls handshake failed on some transport channel.
-  // F: void(webrtc::SSLHandshakeError)
+  // F: void(SSLHandshakeError)
   template <typename F>
   void SubscribeDtlsHandshakeError(F&& callback) {
     dtls_handshake_error_callback_list_.AddReceiver(std::forward<F>(callback));
diff --git a/p2p/dtls/dtls_transport_unittest.cc b/p2p/dtls/dtls_transport_unittest.cc
index 0fc2814..1e7067d 100644
--- a/p2p/dtls/dtls_transport_unittest.cc
+++ b/p2p/dtls/dtls_transport_unittest.cc
@@ -112,7 +112,7 @@
     dtls_transport_ = nullptr;
     fake_ice_transport_ = nullptr;
 
-    webrtc::CryptoOptions crypto_options;
+    CryptoOptions crypto_options;
     if (pqc_) {
       FieldTrials field_trials("WebRTC-EnableDtlsPqc/Enabled/");
       crypto_options.ephemeral_key_exchange_cipher_groups.Update(&field_trials);
diff --git a/p2p/dtls/fake_dtls_transport.h b/p2p/dtls/fake_dtls_transport.h
index a0f7596..dc99ed5 100644
--- a/p2p/dtls/fake_dtls_transport.h
+++ b/p2p/dtls/fake_dtls_transport.h
@@ -145,7 +145,7 @@
       }
       // If the `dtls_role_` is unset, set it to SSL_CLIENT by default.
       if (!dtls_role_) {
-        dtls_role_ = std::move(webrtc::SSL_CLIENT);
+        dtls_role_ = std::move(SSL_CLIENT);
       }
       SetDtlsState(DtlsTransportState::kConnected);
       ice_transport_->SetDestination(
@@ -320,10 +320,10 @@
   scoped_refptr<RTCCertificate> local_cert_;
   FakeSSLCertificate* remote_cert_ = nullptr;
   bool do_dtls_ = false;
-  SSLProtocolVersion ssl_max_version_ = webrtc::SSL_PROTOCOL_DTLS_12;
+  SSLProtocolVersion ssl_max_version_ = SSL_PROTOCOL_DTLS_12;
   SSLFingerprint dtls_fingerprint_;
   std::optional<SSLRole> dtls_role_;
-  int crypto_suite_ = webrtc::kSrtpAes128CmSha1_80;
+  int crypto_suite_ = kSrtpAes128CmSha1_80;
   std::optional<int> ssl_cipher_suite_;
 
   DtlsTransportState dtls_state_ = DtlsTransportState::kNew;
diff --git a/p2p/test/fake_ice_transport.h b/p2p/test/fake_ice_transport.h
index 3e51459..ef4a90c 100644
--- a/p2p/test/fake_ice_transport.h
+++ b/p2p/test/fake_ice_transport.h
@@ -168,8 +168,8 @@
 
   void SetCandidatesGatheringComplete() {
     RTC_DCHECK_RUN_ON(network_thread_);
-    if (gathering_state_ != webrtc::kIceGatheringComplete) {
-      gathering_state_ = webrtc::kIceGatheringComplete;
+    if (gathering_state_ != kIceGatheringComplete) {
+      gathering_state_ = kIceGatheringComplete;
       SendGatheringStateEvent();
     }
   }
@@ -264,8 +264,8 @@
 
   void MaybeStartGathering() override {
     RTC_DCHECK_RUN_ON(network_thread_);
-    if (gathering_state_ == webrtc::kIceGatheringNew) {
-      gathering_state_ = webrtc::kIceGatheringGathering;
+    if (gathering_state_ == kIceGatheringNew) {
+      gathering_state_ = kIceGatheringGathering;
       SendGatheringStateEvent();
     }
   }
@@ -353,7 +353,7 @@
       }
     }
 
-    SentPacketInfo sent_packet(options.packet_id, webrtc::TimeMillis());
+    SentPacketInfo sent_packet(options.packet_id, TimeMillis());
     SignalSentPacket(this, sent_packet);
     return static_cast<int>(len);
   }
@@ -398,7 +398,7 @@
   void set_packet_send_filter(
       absl::AnyInvocable<bool(const char* data,
                               size_t len,
-                              const webrtc::AsyncSocketPacketOptions& options,
+                              const AsyncSocketPacketOptions& options,
                               int /* flags */)> func) {
     RTC_DCHECK_RUN_ON(network_thread_);
     packet_send_filter_func_ = std::move(func);
@@ -436,7 +436,7 @@
   bool SendIcePing() {
     RTC_DCHECK_RUN_ON(network_thread_);
     RTC_DLOG(LS_INFO) << name_ << ": SendIcePing()";
-    last_sent_ping_timestamp_ = webrtc::TimeMicros();
+    last_sent_ping_timestamp_ = TimeMicros();
     auto msg = std::make_unique<IceMessage>(STUN_BINDING_REQUEST);
     MaybeAddDtlsPiggybackingAttributes(msg.get());
     msg->AddFingerprint();
@@ -564,7 +564,7 @@
 
   void ReceivePacketInternal(const CopyOnWriteBuffer& packet) {
     RTC_DCHECK_RUN_ON(network_thread_);
-    auto now = webrtc::TimeMicros();
+    auto now = TimeMicros();
     if (auto msg = GetStunMessage(packet)) {
       RTC_LOG(LS_INFO) << name_ << ": RECV STUN message: "
                        << ", data[0]: "
@@ -634,7 +634,7 @@
   std::optional<IceTransportStateInternal> legacy_transport_state_
       RTC_GUARDED_BY(network_thread_);
   IceGatheringState gathering_state_ RTC_GUARDED_BY(network_thread_) =
-      webrtc::kIceGatheringNew;
+      kIceGatheringNew;
   bool had_connection_ RTC_GUARDED_BY(network_thread_) = false;
   bool writable_ RTC_GUARDED_BY(network_thread_) = false;
   bool receiving_ RTC_GUARDED_BY(network_thread_) = false;
diff --git a/p2p/test/fake_port_allocator.h b/p2p/test/fake_port_allocator.h
index bce0834..3853b21 100644
--- a/p2p/test/fake_port_allocator.h
+++ b/p2p/test/fake_port_allocator.h
@@ -122,10 +122,10 @@
 
   void StartGettingPorts() override {
     if (!port_) {
-      Network& network = (webrtc::HasIPv6Enabled() &&
-                          (flags() & webrtc::PORTALLOCATOR_ENABLE_IPV6))
-                             ? ipv6_network_
-                             : ipv4_network_;
+      Network& network =
+          (HasIPv6Enabled() && (flags() & PORTALLOCATOR_ENABLE_IPV6))
+              ? ipv6_network_
+              : ipv4_network_;
       port_.reset(TestUDPPort::Create({.env = env_,
                                        .network_thread = network_thread_,
                                        .socket_factory = factory_,
@@ -220,7 +220,7 @@
   bool is_cleared = false;
   ServerAddresses stun_servers_;
   std::vector<RelayServerConfig> turn_servers_;
-  uint32_t candidate_filter_ = webrtc::CF_ALL;
+  uint32_t candidate_filter_ = CF_ALL;
   int transport_info_update_count_ = 0;
   bool running_ = false;
 };
diff --git a/p2p/test/mock_active_ice_controller.h b/p2p/test/mock_active_ice_controller.h
index df18a44..98d6cb9 100644
--- a/p2p/test/mock_active_ice_controller.h
+++ b/p2p/test/mock_active_ice_controller.h
@@ -29,41 +29,24 @@
       const ActiveIceControllerFactoryArgs& /* args */) {}
   ~MockActiveIceController() override = default;
 
-  MOCK_METHOD(void, SetIceConfig, (const webrtc::IceConfig&), (override));
-  MOCK_METHOD(void, OnConnectionAdded, (const webrtc::Connection*), (override));
-  MOCK_METHOD(void,
-              OnConnectionSwitched,
-              (const webrtc::Connection*),
-              (override));
-  MOCK_METHOD(void,
-              OnConnectionDestroyed,
-              (const webrtc::Connection*),
-              (override));
-  MOCK_METHOD(void,
-              OnConnectionPinged,
-              (const webrtc::Connection*),
-              (override));
-  MOCK_METHOD(void,
-              OnConnectionUpdated,
-              (const webrtc::Connection*),
-              (override));
+  MOCK_METHOD(void, SetIceConfig, (const IceConfig&), (override));
+  MOCK_METHOD(void, OnConnectionAdded, (const Connection*), (override));
+  MOCK_METHOD(void, OnConnectionSwitched, (const Connection*), (override));
+  MOCK_METHOD(void, OnConnectionDestroyed, (const Connection*), (override));
+  MOCK_METHOD(void, OnConnectionPinged, (const Connection*), (override));
+  MOCK_METHOD(void, OnConnectionUpdated, (const Connection*), (override));
   MOCK_METHOD(bool,
               GetUseCandidateAttribute,
-              (const webrtc::Connection*,
-               webrtc::NominationMode,
-               webrtc::IceMode),
+              (const Connection*, NominationMode, IceMode),
               (const, override));
-  MOCK_METHOD(void,
-              OnSortAndSwitchRequest,
-              (webrtc::IceSwitchReason),
-              (override));
+  MOCK_METHOD(void, OnSortAndSwitchRequest, (IceSwitchReason), (override));
   MOCK_METHOD(void,
               OnImmediateSortAndSwitchRequest,
-              (webrtc::IceSwitchReason),
+              (IceSwitchReason),
               (override));
   MOCK_METHOD(bool,
               OnImmediateSwitchRequest,
-              (webrtc::IceSwitchReason, const webrtc::Connection*),
+              (IceSwitchReason, const Connection*),
               (override));
   MOCK_METHOD(const Connection*, FindNextPingableConnection, (), (override));
 };
diff --git a/p2p/test/mock_ice_agent.h b/p2p/test/mock_ice_agent.h
index 113ddf4..3ae3f75 100644
--- a/p2p/test/mock_ice_agent.h
+++ b/p2p/test/mock_ice_agent.h
@@ -33,16 +33,16 @@
   MOCK_METHOD(void, UpdateState, (), (override));
   MOCK_METHOD(void,
               ForgetLearnedStateForConnections,
-              (webrtc::ArrayView<const webrtc::Connection* const>),
+              (ArrayView<const Connection* const>),
               (override));
-  MOCK_METHOD(void, SendPingRequest, (const webrtc::Connection*), (override));
+  MOCK_METHOD(void, SendPingRequest, (const Connection*), (override));
   MOCK_METHOD(void,
               SwitchSelectedConnection,
-              (const webrtc::Connection*, webrtc::IceSwitchReason),
+              (const Connection*, IceSwitchReason),
               (override));
   MOCK_METHOD(bool,
               PruneConnections,
-              (webrtc::ArrayView<const webrtc::Connection* const>),
+              (ArrayView<const Connection* const>),
               (override));
 };
 
diff --git a/p2p/test/mock_ice_controller.h b/p2p/test/mock_ice_controller.h
index 5b92dde..5cc4f31 100644
--- a/p2p/test/mock_ice_controller.h
+++ b/p2p/test/mock_ice_controller.h
@@ -31,16 +31,10 @@
   explicit MockIceController(const IceControllerFactoryArgs& /* args */) {}
   ~MockIceController() override = default;
 
-  MOCK_METHOD(void, SetIceConfig, (const webrtc::IceConfig&), (override));
-  MOCK_METHOD(void,
-              SetSelectedConnection,
-              (const webrtc::Connection*),
-              (override));
-  MOCK_METHOD(void, AddConnection, (const webrtc::Connection*), (override));
-  MOCK_METHOD(void,
-              OnConnectionDestroyed,
-              (const webrtc::Connection*),
-              (override));
+  MOCK_METHOD(void, SetIceConfig, (const IceConfig&), (override));
+  MOCK_METHOD(void, SetSelectedConnection, (const Connection*), (override));
+  MOCK_METHOD(void, AddConnection, (const Connection*), (override));
+  MOCK_METHOD(void, OnConnectionDestroyed, (const Connection*), (override));
   MOCK_METHOD(ArrayView<const Connection* const>,
               GetConnections,
               (),
@@ -53,22 +47,17 @@
               (override));
   MOCK_METHOD(bool,
               GetUseCandidateAttr,
-              (const webrtc::Connection*,
-               webrtc::NominationMode,
-               webrtc::IceMode),
+              (const Connection*, NominationMode, IceMode),
               (const, override));
   MOCK_METHOD(const Connection*, FindNextPingableConnection, (), (override));
-  MOCK_METHOD(void,
-              MarkConnectionPinged,
-              (const webrtc::Connection*),
-              (override));
+  MOCK_METHOD(void, MarkConnectionPinged, (const Connection*), (override));
   MOCK_METHOD(IceControllerInterface::SwitchResult,
               ShouldSwitchConnection,
-              (webrtc::IceSwitchReason, const webrtc::Connection*),
+              (IceSwitchReason, const Connection*),
               (override));
   MOCK_METHOD(IceControllerInterface::SwitchResult,
               SortAndSwitchConnection,
-              (webrtc::IceSwitchReason),
+              (IceSwitchReason),
               (override));
   MOCK_METHOD(std::vector<const Connection*>, PruneConnections, (), (override));
 };
diff --git a/p2p/test/nat_unittest.cc b/p2p/test/nat_unittest.cc
index b9dddc1..e98bd17 100644
--- a/p2p/test/nat_unittest.cc
+++ b/p2p/test/nat_unittest.cc
@@ -45,7 +45,7 @@
 namespace webrtc {
 namespace {
 
-bool CheckReceive(webrtc::TestClient* client,
+bool CheckReceive(TestClient* client,
                   bool should_receive,
                   const char* buf,
                   size_t size) {
@@ -53,44 +53,43 @@
                           : client->CheckNoPacket();
 }
 
-webrtc::TestClient* CreateTestClient(webrtc::SocketFactory* factory,
-                                     const webrtc::SocketAddress& local_addr) {
-  return new webrtc::TestClient(
-      absl::WrapUnique(webrtc::AsyncUDPSocket::Create(factory, local_addr)));
+webrtc::TestClient* CreateTestClient(SocketFactory* factory,
+                                     const SocketAddress& local_addr) {
+  return new TestClient(
+      absl::WrapUnique(AsyncUDPSocket::Create(factory, local_addr)));
 }
 
-webrtc::TestClient* CreateTCPTestClient(webrtc::Socket* socket) {
-  return new webrtc::TestClient(
-      std::make_unique<webrtc::AsyncTCPSocket>(socket));
+webrtc::TestClient* CreateTCPTestClient(Socket* socket) {
+  return new TestClient(std::make_unique<AsyncTCPSocket>(socket));
 }
 
 // Tests that when sending from internal_addr to external_addrs through the
 // NAT type specified by nat_type, all external addrs receive the sent packet
 // and, if exp_same is true, all use the same mapped-address on the NAT.
-void TestSend(webrtc::SocketServer* internal,
-              const webrtc::SocketAddress& internal_addr,
-              webrtc::SocketServer* external,
-              const webrtc::SocketAddress external_addrs[4],
-              webrtc::NATType nat_type,
+void TestSend(SocketServer* internal,
+              const SocketAddress& internal_addr,
+              SocketServer* external,
+              const SocketAddress external_addrs[4],
+              NATType nat_type,
               bool exp_same) {
-  webrtc::Thread th_int(internal);
-  webrtc::Thread th_ext(external);
+  Thread th_int(internal);
+  Thread th_ext(external);
 
   th_int.Start();
   th_ext.Start();
 
-  webrtc::SocketAddress server_addr = internal_addr;
+  SocketAddress server_addr = internal_addr;
   server_addr.SetPort(0);  // Auto-select a port
-  webrtc::NATServer* nat =
-      new webrtc::NATServer(nat_type, th_int, internal, server_addr,
-                            server_addr, th_ext, external, external_addrs[0]);
-  webrtc::NATSocketFactory* natsf = new webrtc::NATSocketFactory(
+  NATServer* nat =
+      new NATServer(nat_type, th_int, internal, server_addr, server_addr,
+                    th_ext, external, external_addrs[0]);
+  NATSocketFactory* natsf = new NATSocketFactory(
       internal, nat->internal_udp_address(), nat->internal_tcp_address());
 
-  webrtc::TestClient* in;
+  TestClient* in;
   th_int.BlockingCall([&] { in = CreateTestClient(natsf, internal_addr); });
 
-  webrtc::TestClient* out[4];
+  TestClient* out[4];
   th_ext.BlockingCall([&] {
     for (int i = 0; i < 4; i++)
       out[i] = CreateTestClient(external, external_addrs[i]);
@@ -100,13 +99,13 @@
   size_t len = strlen(buf);
 
   th_int.BlockingCall([&] { in->SendTo(buf, len, out[0]->address()); });
-  webrtc::SocketAddress trans_addr;
+  SocketAddress trans_addr;
   th_ext.BlockingCall(
       [&] { EXPECT_TRUE(out[0]->CheckNextPacket(buf, len, &trans_addr)); });
 
   for (int i = 1; i < 4; i++) {
     th_int.BlockingCall([&] { in->SendTo(buf, len, out[i]->address()); });
-    webrtc::SocketAddress trans_addr2;
+    SocketAddress trans_addr2;
     th_ext.BlockingCall([&] {
       EXPECT_TRUE(out[i]->CheckNextPacket(buf, len, &trans_addr2));
       bool are_same = (trans_addr == trans_addr2);
@@ -128,30 +127,30 @@
 
 // Tests that when sending from external_addrs to internal_addr, the packet
 // is delivered according to the specified filter_ip and filter_port rules.
-void TestRecv(webrtc::SocketServer* internal,
-              const webrtc::SocketAddress& internal_addr,
-              webrtc::SocketServer* external,
-              const webrtc::SocketAddress external_addrs[4],
-              webrtc::NATType nat_type,
+void TestRecv(SocketServer* internal,
+              const SocketAddress& internal_addr,
+              SocketServer* external,
+              const SocketAddress external_addrs[4],
+              NATType nat_type,
               bool filter_ip,
               bool filter_port) {
-  webrtc::Thread th_int(internal);
-  webrtc::Thread th_ext(external);
+  Thread th_int(internal);
+  Thread th_ext(external);
 
-  webrtc::SocketAddress server_addr = internal_addr;
+  SocketAddress server_addr = internal_addr;
   server_addr.SetPort(0);  // Auto-select a port
   th_int.Start();
   th_ext.Start();
-  webrtc::NATServer* nat =
-      new webrtc::NATServer(nat_type, th_int, internal, server_addr,
-                            server_addr, th_ext, external, external_addrs[0]);
-  webrtc::NATSocketFactory* natsf = new webrtc::NATSocketFactory(
+  NATServer* nat =
+      new NATServer(nat_type, th_int, internal, server_addr, server_addr,
+                    th_ext, external, external_addrs[0]);
+  NATSocketFactory* natsf = new NATSocketFactory(
       internal, nat->internal_udp_address(), nat->internal_tcp_address());
 
-  webrtc::TestClient* in = nullptr;
+  TestClient* in = nullptr;
   th_int.BlockingCall([&] { in = CreateTestClient(natsf, internal_addr); });
 
-  webrtc::TestClient* out[4];
+  TestClient* out[4];
   th_ext.BlockingCall([&] {
     for (int i = 0; i < 4; i++)
       out[i] = CreateTestClient(external, external_addrs[i]);
@@ -161,7 +160,7 @@
   size_t len = strlen(buf);
 
   th_int.BlockingCall([&] { in->SendTo(buf, len, out[0]->address()); });
-  webrtc::SocketAddress trans_addr;
+  SocketAddress trans_addr;
   th_ext.BlockingCall(
       [&] { EXPECT_TRUE(out[0]->CheckNextPacket(buf, len, &trans_addr)); });
 
@@ -190,74 +189,69 @@
 }
 
 // Tests that NATServer allocates bindings properly.
-void TestBindings(webrtc::SocketServer* internal,
-                  const webrtc::SocketAddress& internal_addr,
-                  webrtc::SocketServer* external,
-                  const webrtc::SocketAddress external_addrs[4]) {
+void TestBindings(SocketServer* internal,
+                  const SocketAddress& internal_addr,
+                  SocketServer* external,
+                  const SocketAddress external_addrs[4]) {
+  TestSend(internal, internal_addr, external, external_addrs, NAT_OPEN_CONE,
+           true);
   TestSend(internal, internal_addr, external, external_addrs,
-           webrtc::NAT_OPEN_CONE, true);
+           NAT_ADDR_RESTRICTED, true);
   TestSend(internal, internal_addr, external, external_addrs,
-           webrtc::NAT_ADDR_RESTRICTED, true);
-  TestSend(internal, internal_addr, external, external_addrs,
-           webrtc::NAT_PORT_RESTRICTED, true);
-  TestSend(internal, internal_addr, external, external_addrs,
-           webrtc::NAT_SYMMETRIC, false);
+           NAT_PORT_RESTRICTED, true);
+  TestSend(internal, internal_addr, external, external_addrs, NAT_SYMMETRIC,
+           false);
 }
 
 // Tests that NATServer filters packets properly.
-void TestFilters(webrtc::SocketServer* internal,
-                 const webrtc::SocketAddress& internal_addr,
-                 webrtc::SocketServer* external,
-                 const webrtc::SocketAddress external_addrs[4]) {
+void TestFilters(SocketServer* internal,
+                 const SocketAddress& internal_addr,
+                 SocketServer* external,
+                 const SocketAddress external_addrs[4]) {
+  TestRecv(internal, internal_addr, external, external_addrs, NAT_OPEN_CONE,
+           false, false);
   TestRecv(internal, internal_addr, external, external_addrs,
-           webrtc::NAT_OPEN_CONE, false, false);
+           NAT_ADDR_RESTRICTED, true, false);
   TestRecv(internal, internal_addr, external, external_addrs,
-           webrtc::NAT_ADDR_RESTRICTED, true, false);
-  TestRecv(internal, internal_addr, external, external_addrs,
-           webrtc::NAT_PORT_RESTRICTED, true, true);
-  TestRecv(internal, internal_addr, external, external_addrs,
-           webrtc::NAT_SYMMETRIC, true, true);
+           NAT_PORT_RESTRICTED, true, true);
+  TestRecv(internal, internal_addr, external, external_addrs, NAT_SYMMETRIC,
+           true, true);
 }
 
-bool TestConnectivity(const webrtc::SocketAddress& src,
-                      const webrtc::IPAddress& dst) {
+bool TestConnectivity(const SocketAddress& src, const IPAddress& dst) {
   // The physical NAT tests require connectivity to the selected ip from the
   // internal address used for the NAT. Things like firewalls can break that, so
   // check to see if it's worth even trying with this ip.
-  std::unique_ptr<webrtc::PhysicalSocketServer> pss(
-      new webrtc::PhysicalSocketServer());
-  std::unique_ptr<webrtc::Socket> client(
-      pss->CreateSocket(src.family(), SOCK_DGRAM));
-  std::unique_ptr<webrtc::Socket> server(
-      pss->CreateSocket(src.family(), SOCK_DGRAM));
-  if (client->Bind(webrtc::SocketAddress(src.ipaddr(), 0)) != 0 ||
-      server->Bind(webrtc::SocketAddress(dst, 0)) != 0) {
+  std::unique_ptr<PhysicalSocketServer> pss(new PhysicalSocketServer());
+  std::unique_ptr<Socket> client(pss->CreateSocket(src.family(), SOCK_DGRAM));
+  std::unique_ptr<Socket> server(pss->CreateSocket(src.family(), SOCK_DGRAM));
+  if (client->Bind(SocketAddress(src.ipaddr(), 0)) != 0 ||
+      server->Bind(SocketAddress(dst, 0)) != 0) {
     return false;
   }
   const char* buf = "hello other socket";
   size_t len = strlen(buf);
   int sent = client->SendTo(buf, len, server->GetLocalAddress());
 
-  webrtc::Thread::Current()->SleepMs(100);
+  Thread::Current()->SleepMs(100);
   Buffer payload;
-  webrtc::Socket::ReceiveBuffer receive_buffer(payload);
+  Socket::ReceiveBuffer receive_buffer(payload);
   int received = server->RecvFrom(receive_buffer);
   return received == sent && ::memcmp(buf, payload.data(), len) == 0;
 }
 
-void TestPhysicalInternal(const webrtc::SocketAddress& int_addr) {
-  webrtc::AutoThread main_thread;
-  webrtc::PhysicalSocketServer socket_server;
-  webrtc::BasicNetworkManager network_manager(CreateEnvironment(),
-                                              &socket_server);
+void TestPhysicalInternal(const SocketAddress& int_addr) {
+  AutoThread main_thread;
+  PhysicalSocketServer socket_server;
+  BasicNetworkManager network_manager(CreateEnvironment(), &socket_server);
   network_manager.StartUpdating();
   // Process pending messages so the network list is updated.
-  webrtc::Thread::Current()->ProcessMessages(0);
+  Thread::Current()->ProcessMessages(0);
 
-  std::vector<const webrtc::Network*> networks = network_manager.GetNetworks();
+  std::vector<const Network*> networks = network_manager.GetNetworks();
   networks.erase(std::remove_if(networks.begin(), networks.end(),
-                                [](const webrtc::Network* network) {
-                                  return webrtc::kDefaultNetworkIgnoreMask &
+                                [](const Network* network) {
+                                  return kDefaultNetworkIgnoreMask &
                                          network->type();
                                 }),
                  networks.end());
@@ -266,12 +260,12 @@
     return;
   }
 
-  webrtc::SocketAddress ext_addr1(int_addr);
-  webrtc::SocketAddress ext_addr2;
+  SocketAddress ext_addr1(int_addr);
+  SocketAddress ext_addr2;
   // Find an available IP with matching family. The test breaks if int_addr
   // can't talk to ip, so check for connectivity as well.
   for (const Network* const network : networks) {
-    const webrtc::IPAddress& ip = network->GetBestIP();
+    const IPAddress& ip = network->GetBestIP();
     if (ip.family() == int_addr.family() && TestConnectivity(int_addr, ip)) {
       ext_addr2.SetIP(ip);
       break;
@@ -285,26 +279,24 @@
 
   RTC_LOG(LS_INFO) << "selected ip " << ext_addr2.ipaddr().ToString();
 
-  webrtc::SocketAddress ext_addrs[4] = {
-      webrtc::SocketAddress(ext_addr1), webrtc::SocketAddress(ext_addr2),
-      webrtc::SocketAddress(ext_addr1), webrtc::SocketAddress(ext_addr2)};
+  SocketAddress ext_addrs[4] = {
+      SocketAddress(ext_addr1), SocketAddress(ext_addr2),
+      SocketAddress(ext_addr1), SocketAddress(ext_addr2)};
 
-  std::unique_ptr<webrtc::PhysicalSocketServer> int_pss(
-      new webrtc::PhysicalSocketServer());
-  std::unique_ptr<webrtc::PhysicalSocketServer> ext_pss(
-      new webrtc::PhysicalSocketServer());
+  std::unique_ptr<PhysicalSocketServer> int_pss(new PhysicalSocketServer());
+  std::unique_ptr<PhysicalSocketServer> ext_pss(new PhysicalSocketServer());
 
   TestBindings(int_pss.get(), int_addr, ext_pss.get(), ext_addrs);
   TestFilters(int_pss.get(), int_addr, ext_pss.get(), ext_addrs);
 }
 
 TEST(NatTest, TestPhysicalIPv4) {
-  TestPhysicalInternal(webrtc::SocketAddress("127.0.0.1", 0));
+  TestPhysicalInternal(SocketAddress("127.0.0.1", 0));
 }
 
 TEST(NatTest, TestPhysicalIPv6) {
-  if (webrtc::HasIPv6Enabled()) {
-    TestPhysicalInternal(webrtc::SocketAddress("::1", 0));
+  if (HasIPv6Enabled()) {
+    TestPhysicalInternal(SocketAddress("::1", 0));
   } else {
     RTC_LOG(LS_WARNING) << "No IPv6, skipping";
   }
@@ -312,25 +304,23 @@
 
 namespace {
 
-class TestVirtualSocketServer : public webrtc::VirtualSocketServer {
+class TestVirtualSocketServer : public VirtualSocketServer {
  public:
   // Expose this publicly
-  webrtc::IPAddress GetNextIP(int af) {
-    return webrtc::VirtualSocketServer::GetNextIP(af);
-  }
+  IPAddress GetNextIP(int af) { return VirtualSocketServer::GetNextIP(af); }
 };
 
 }  // namespace
 
 void TestVirtualInternal(int family) {
-  webrtc::AutoThread main_thread;
+  AutoThread main_thread;
   std::unique_ptr<TestVirtualSocketServer> int_vss(
       new TestVirtualSocketServer());
   std::unique_ptr<TestVirtualSocketServer> ext_vss(
       new TestVirtualSocketServer());
 
-  webrtc::SocketAddress int_addr;
-  webrtc::SocketAddress ext_addrs[4];
+  SocketAddress int_addr;
+  SocketAddress ext_addrs[4];
   int_addr.SetIP(int_vss->GetNextIP(family));
   ext_addrs[0].SetIP(ext_vss->GetNextIP(int_addr.family()));
   ext_addrs[1].SetIP(ext_vss->GetNextIP(int_addr.family()));
@@ -346,7 +336,7 @@
 }
 
 TEST(NatTest, TestVirtualIPv6) {
-  if (webrtc::HasIPv6Enabled()) {
+  if (HasIPv6Enabled()) {
     TestVirtualInternal(AF_INET6);
   } else {
     RTC_LOG(LS_WARNING) << "No IPv6, skipping";
@@ -361,48 +351,48 @@
         connected_(false),
         int_vss_(new TestVirtualSocketServer()),
         ext_vss_(new TestVirtualSocketServer()),
-        int_thread_(new webrtc::Thread(int_vss_.get())),
-        ext_thread_(new webrtc::Thread(ext_vss_.get())),
-        nat_(new webrtc::NATServer(webrtc::NAT_OPEN_CONE,
-                                   *int_thread_,
-                                   int_vss_.get(),
-                                   int_addr_,
-                                   int_addr_,
-                                   *ext_thread_,
-                                   ext_vss_.get(),
-                                   ext_addr_)),
-        natsf_(new webrtc::NATSocketFactory(int_vss_.get(),
-                                            nat_->internal_udp_address(),
-                                            nat_->internal_tcp_address())) {
+        int_thread_(new Thread(int_vss_.get())),
+        ext_thread_(new Thread(ext_vss_.get())),
+        nat_(new NATServer(NAT_OPEN_CONE,
+                           *int_thread_,
+                           int_vss_.get(),
+                           int_addr_,
+                           int_addr_,
+                           *ext_thread_,
+                           ext_vss_.get(),
+                           ext_addr_)),
+        natsf_(new NATSocketFactory(int_vss_.get(),
+                                    nat_->internal_udp_address(),
+                                    nat_->internal_tcp_address())) {
     int_thread_->Start();
     ext_thread_->Start();
   }
 
-  void OnConnectEvent(webrtc::Socket* socket) { connected_ = true; }
+  void OnConnectEvent(Socket* socket) { connected_ = true; }
 
-  void OnAcceptEvent(webrtc::Socket* socket) {
+  void OnAcceptEvent(Socket* socket) {
     accepted_.reset(server_->Accept(nullptr));
   }
 
-  void OnCloseEvent(webrtc::Socket* socket, int error) {}
+  void OnCloseEvent(Socket* socket, int error) {}
 
   void ConnectEvents() {
     server_->SignalReadEvent.connect(this, &NatTcpTest::OnAcceptEvent);
     client_->SignalConnectEvent.connect(this, &NatTcpTest::OnConnectEvent);
   }
 
-  webrtc::SocketAddress int_addr_;
-  webrtc::SocketAddress ext_addr_;
+  SocketAddress int_addr_;
+  SocketAddress ext_addr_;
   bool connected_;
   std::unique_ptr<TestVirtualSocketServer> int_vss_;
   std::unique_ptr<TestVirtualSocketServer> ext_vss_;
-  std::unique_ptr<webrtc::Thread> int_thread_;
-  std::unique_ptr<webrtc::Thread> ext_thread_;
-  std::unique_ptr<webrtc::NATServer> nat_;
-  std::unique_ptr<webrtc::NATSocketFactory> natsf_;
-  std::unique_ptr<webrtc::Socket> client_;
-  std::unique_ptr<webrtc::Socket> server_;
-  std::unique_ptr<webrtc::Socket> accepted_;
+  std::unique_ptr<Thread> int_thread_;
+  std::unique_ptr<Thread> ext_thread_;
+  std::unique_ptr<NATServer> nat_;
+  std::unique_ptr<NATSocketFactory> natsf_;
+  std::unique_ptr<Socket> client_;
+  std::unique_ptr<Socket> server_;
+  std::unique_ptr<Socket> accepted_;
 };
 
 TEST_F(NatTcpTest, DISABLED_TestConnectOut) {
@@ -416,22 +406,19 @@
 
   ConnectEvents();
 
-  EXPECT_THAT(
-      webrtc::WaitUntil([&] { return connected_; }, ::testing::IsTrue()),
-      webrtc::IsRtcOk());
+  EXPECT_THAT(WaitUntil([&] { return connected_; }, ::testing::IsTrue()),
+              IsRtcOk());
   EXPECT_EQ(client_->GetRemoteAddress(), server_->GetLocalAddress());
   EXPECT_EQ(accepted_->GetRemoteAddress().ipaddr(), ext_addr_.ipaddr());
 
-  std::unique_ptr<webrtc::TestClient> in(
-      CreateTCPTestClient(client_.release()));
-  std::unique_ptr<webrtc::TestClient> out(
-      CreateTCPTestClient(accepted_.release()));
+  std::unique_ptr<TestClient> in(CreateTCPTestClient(client_.release()));
+  std::unique_ptr<TestClient> out(CreateTCPTestClient(accepted_.release()));
 
   const char* buf = "test_packet";
   size_t len = strlen(buf);
 
   in->Send(buf, len);
-  webrtc::SocketAddress trans_addr;
+  SocketAddress trans_addr;
   EXPECT_TRUE(out->CheckNextPacket(buf, len, &trans_addr));
 
   out->Send(buf, len);
diff --git a/p2p/test/test_stun_server.h b/p2p/test/test_stun_server.h
index b65bc85..9cee166 100644
--- a/p2p/test/test_stun_server.h
+++ b/p2p/test/test_stun_server.h
@@ -27,8 +27,7 @@
 class TestStunServer : StunServer {
  public:
   using StunServerPtr =
-      std::unique_ptr<TestStunServer,
-                      std::function<void(webrtc::TestStunServer*)>>;
+      std::unique_ptr<TestStunServer, std::function<void(TestStunServer*)>>;
   static StunServerPtr Create(SocketServer* ss,
                               const SocketAddress& addr,
                               Thread& network_thread);
diff --git a/p2p/test/test_turn_server.h b/p2p/test/test_turn_server.h
index e416500..6f26b36 100644
--- a/p2p/test/test_turn_server.h
+++ b/p2p/test/test_turn_server.h
@@ -64,7 +64,7 @@
                  SocketFactory* socket_factory,
                  const SocketAddress& int_addr,
                  const SocketAddress& udp_ext_addr,
-                 ProtocolType int_protocol = webrtc::PROTO_UDP,
+                 ProtocolType int_protocol = PROTO_UDP,
                  bool ignore_bad_cert = true,
                  absl::string_view common_name = "test turn server")
       : server_(thread), socket_factory_(socket_factory) {
@@ -103,23 +103,23 @@
                          bool ignore_bad_cert = true,
                          absl::string_view common_name = "test turn server") {
     RTC_DCHECK(thread_checker_.IsCurrent());
-    if (proto == webrtc::PROTO_UDP) {
+    if (proto == PROTO_UDP) {
       server_.AddInternalSocket(
           AsyncUDPSocket::Create(socket_factory_, int_addr), proto);
-    } else if (proto == webrtc::PROTO_TCP || proto == webrtc::PROTO_TLS) {
+    } else if (proto == PROTO_TCP || proto == PROTO_TLS) {
       // For TCP we need to create a server socket which can listen for incoming
       // new connections.
       Socket* socket = socket_factory_->CreateSocket(AF_INET, SOCK_STREAM);
       socket->Bind(int_addr);
       socket->Listen(5);
-      if (proto == webrtc::PROTO_TLS) {
+      if (proto == PROTO_TLS) {
         // For TLS, wrap the TCP socket with an SSL adapter. The adapter must
         // be configured with a self-signed certificate for testing.
         // Additionally, the client will not present a valid certificate, so we
         // must not fail when checking the peer's identity.
         std::unique_ptr<SSLAdapterFactory> ssl_adapter_factory =
             SSLAdapterFactory::Create();
-        ssl_adapter_factory->SetRole(webrtc::SSL_SERVER);
+        ssl_adapter_factory->SetRole(SSL_SERVER);
         ssl_adapter_factory->SetIdentity(
             SSLIdentity::Create(common_name, KeyParams()));
         ssl_adapter_factory->SetIgnoreBadCert(ignore_bad_cert);
diff --git a/p2p/test/turn_server.h b/p2p/test/turn_server.h
index 0a74d52..59397a6 100644
--- a/p2p/test/turn_server.h
+++ b/p2p/test/turn_server.h
@@ -51,7 +51,7 @@
 // Encapsulates the client's connection to the server.
 class TurnServerConnection {
  public:
-  TurnServerConnection() : proto_(webrtc::PROTO_UDP), socket_(NULL) {}
+  TurnServerConnection() : proto_(PROTO_UDP), socket_(NULL) {}
   TurnServerConnection(const SocketAddress& src,
                        ProtocolType proto,
                        AsyncPacketSocket* socket);