Reformat the WebRTC code base

Running clang-format with chromium's style guide.

The goal is n-fold:
 * providing consistency and readability (that's what code guidelines are for)
 * preventing noise with presubmit checks and git cl format
 * building on the previous point: making it easier to automatically fix format issues
 * you name it

Please consider using git-hyper-blame to ignore this commit.

Bug: webrtc:9340
Change-Id: I694567c4cdf8cee2860958cfe82bfaf25848bb87
Reviewed-on: https://webrtc-review.googlesource.com/81185
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23660}
diff --git a/pc/datachannel_unittest.cc b/pc/datachannel_unittest.cc
index 4a713cb..4c044cf 100644
--- a/pc/datachannel_unittest.cc
+++ b/pc/datachannel_unittest.cc
@@ -28,33 +28,23 @@
         on_state_change_count_(0),
         on_buffered_amount_change_count_(0) {}
 
-  void OnStateChange() {
-    ++on_state_change_count_;
-  }
+  void OnStateChange() { ++on_state_change_count_; }
 
   void OnBufferedAmountChange(uint64_t previous_amount) {
     ++on_buffered_amount_change_count_;
   }
 
-  void OnMessage(const webrtc::DataBuffer& buffer) {
-    ++messages_received_;
-  }
+  void OnMessage(const webrtc::DataBuffer& buffer) { ++messages_received_; }
 
-  size_t messages_received() const {
-    return messages_received_;
-  }
+  size_t messages_received() const { return messages_received_; }
 
-  void ResetOnStateChangeCount() {
-    on_state_change_count_ = 0;
-  }
+  void ResetOnStateChangeCount() { on_state_change_count_ = 0; }
 
   void ResetOnBufferedAmountChangeCount() {
     on_buffered_amount_change_count_ = 0;
   }
 
-  size_t on_state_change_count() const {
-    return on_state_change_count_;
-  }
+  size_t on_state_change_count() const { return on_state_change_count_; }
 
   size_t on_buffered_amount_change_count() const {
     return on_buffered_amount_change_count_;
@@ -103,13 +93,9 @@
   int opened_count() const { return opened_count_; }
   int closed_count() const { return closed_count_; }
 
-  void OnSignalOpened(DataChannel* data_channel) {
-    ++opened_count_;
-  }
+  void OnSignalOpened(DataChannel* data_channel) { ++opened_count_; }
 
-  void OnSignalClosed(DataChannel* data_channel) {
-    ++closed_count_;
-  }
+  void OnSignalClosed(DataChannel* data_channel) { ++closed_count_; }
 
  private:
   int opened_count_ = 0;
@@ -234,12 +220,10 @@
   AddObserver();
   SetChannelReady();
   std::vector<webrtc::DataBuffer> buffers({
-    webrtc::DataBuffer("message 1"),
-    webrtc::DataBuffer("msg 2"),
-    webrtc::DataBuffer("message three"),
-    webrtc::DataBuffer("quadra message"),
-    webrtc::DataBuffer("fifthmsg"),
-    webrtc::DataBuffer("message of the beast"),
+      webrtc::DataBuffer("message 1"), webrtc::DataBuffer("msg 2"),
+      webrtc::DataBuffer("message three"), webrtc::DataBuffer("quadra message"),
+      webrtc::DataBuffer("fifthmsg"),
+      webrtc::DataBuffer("message of the beast"),
   });
 
   // Default values.
@@ -306,8 +290,7 @@
   rtc::scoped_refptr<DataChannel> dc =
       DataChannel::Create(provider_.get(), cricket::DCT_SCTP, "test1", init);
   EXPECT_EQ(webrtc::DataChannelInterface::kConnecting, dc->state());
-  EXPECT_TRUE_WAIT(webrtc::DataChannelInterface::kOpen == dc->state(),
-                   1000);
+  EXPECT_TRUE_WAIT(webrtc::DataChannelInterface::kOpen == dc->state(), 1000);
 }
 
 // Tests that an unordered DataChannel sends data as ordered until the OPEN_ACK
@@ -459,12 +442,10 @@
 TEST_F(SctpDataChannelTest, VerifyMessagesAndBytesReceived) {
   AddObserver();
   std::vector<webrtc::DataBuffer> buffers({
-    webrtc::DataBuffer("message 1"),
-    webrtc::DataBuffer("msg 2"),
-    webrtc::DataBuffer("message three"),
-    webrtc::DataBuffer("quadra message"),
-    webrtc::DataBuffer("fifthmsg"),
-    webrtc::DataBuffer("message of the beast"),
+      webrtc::DataBuffer("message 1"), webrtc::DataBuffer("msg 2"),
+      webrtc::DataBuffer("message three"), webrtc::DataBuffer("quadra message"),
+      webrtc::DataBuffer("fifthmsg"),
+      webrtc::DataBuffer("message of the beast"),
   });
 
   webrtc_data_channel_->SetSctpSid(1);
@@ -584,13 +565,11 @@
 TEST_F(SctpDataChannelTest, SendEmptyData) {
   webrtc_data_channel_->SetSctpSid(1);
   SetChannelReady();
-  EXPECT_EQ(webrtc::DataChannelInterface::kOpen,
-            webrtc_data_channel_->state());
+  EXPECT_EQ(webrtc::DataChannelInterface::kOpen, webrtc_data_channel_->state());
 
   webrtc::DataBuffer buffer("");
   EXPECT_TRUE(webrtc_data_channel_->Send(buffer));
-  EXPECT_EQ(webrtc::DataChannelInterface::kOpen,
-            webrtc_data_channel_->state());
+  EXPECT_EQ(webrtc::DataChannelInterface::kOpen, webrtc_data_channel_->state());
 }
 
 // Tests that a channel can be closed without being opened or assigned an sid.