Strip IP addresses in NDEBUG (release) builds.

Also removes the ability to override (set) this.

BUG=
R=pthatcher@webrtc.org

Review URL: https://codereview.webrtc.org/1480743002 .

Cr-Commit-Position: refs/heads/master@{#10796}
diff --git a/webrtc/base/ipaddress.cc b/webrtc/base/ipaddress.cc
index f0698e5..3b74d60 100644
--- a/webrtc/base/ipaddress.cc
+++ b/webrtc/base/ipaddress.cc
@@ -41,8 +41,6 @@
 static const in6_addr kV4CompatibilityPrefix = {{{0}}};
 static const in6_addr k6BonePrefix = {{{0x3f, 0xfe, 0}}};
 
-bool IPAddress::strip_sensitive_ = false;
-
 static bool IsPrivateV4(uint32_t ip);
 static in_addr ExtractMappedAddress(const in6_addr& addr);
 
@@ -144,9 +142,10 @@
 }
 
 std::string IPAddress::ToSensitiveString() const {
-  if (!strip_sensitive_)
-    return ToString();
-
+#if !defined(NDEBUG)
+  // Return non-stripped in debug.
+  return ToString();
+#else
   switch (family_) {
     case AF_INET: {
       std::string address = ToString();
@@ -164,6 +163,7 @@
     }
   }
   return std::string();
+#endif
 }
 
 IPAddress IPAddress::Normalized() const {
@@ -186,10 +186,6 @@
   return IPAddress(v6addr);
 }
 
-void IPAddress::set_strip_sensitive(bool enable) {
-  strip_sensitive_ = enable;
-}
-
 bool InterfaceAddress::operator==(const InterfaceAddress &other) const {
   return ipv6_flags_ == other.ipv6_flags() &&
     static_cast<const IPAddress&>(*this) == other;
diff --git a/webrtc/base/ipaddress.h b/webrtc/base/ipaddress.h
index 0789017..ef1e3d8 100644
--- a/webrtc/base/ipaddress.h
+++ b/webrtc/base/ipaddress.h
@@ -112,16 +112,12 @@
   // Whether this is an unspecified IP address.
   bool IsNil() const;
 
-  static void set_strip_sensitive(bool enable);
-
  private:
   int family_;
   union {
     in_addr ip4;
     in6_addr ip6;
   } u_;
-
-  static bool strip_sensitive_;
 };
 
 // IP class which could represent IPv6 address flags which is only
diff --git a/webrtc/base/ipaddress_unittest.cc b/webrtc/base/ipaddress_unittest.cc
index d5cb6f7..10eb074 100644
--- a/webrtc/base/ipaddress_unittest.cc
+++ b/webrtc/base/ipaddress_unittest.cc
@@ -888,20 +888,16 @@
 
 TEST(IPAddressTest, TestToSensitiveString) {
   IPAddress addr_v4 = IPAddress(kIPv4PublicAddr);
-  EXPECT_EQ(kIPv4PublicAddrString, addr_v4.ToString());
-  EXPECT_EQ(kIPv4PublicAddrString, addr_v4.ToSensitiveString());
-  IPAddress::set_strip_sensitive(true);
-  EXPECT_EQ(kIPv4PublicAddrString, addr_v4.ToString());
-  EXPECT_EQ(kIPv4PublicAddrAnonymizedString, addr_v4.ToSensitiveString());
-  IPAddress::set_strip_sensitive(false);
-
   IPAddress addr_v6 = IPAddress(kIPv6PublicAddr);
+  EXPECT_EQ(kIPv4PublicAddrString, addr_v4.ToString());
   EXPECT_EQ(kIPv6PublicAddrString, addr_v6.ToString());
-  EXPECT_EQ(kIPv6PublicAddrString, addr_v6.ToSensitiveString());
-  IPAddress::set_strip_sensitive(true);
-  EXPECT_EQ(kIPv6PublicAddrString, addr_v6.ToString());
+#if defined(NDEBUG)
+  EXPECT_EQ(kIPv4PublicAddrAnonymizedString, addr_v4.ToSensitiveString());
   EXPECT_EQ(kIPv6PublicAddrAnonymizedString, addr_v6.ToSensitiveString());
-  IPAddress::set_strip_sensitive(false);
+#else
+  EXPECT_EQ(kIPv4PublicAddrString, addr_v4.ToSensitiveString());
+  EXPECT_EQ(kIPv6PublicAddrString, addr_v6.ToSensitiveString());
+#endif  // defined(NDEBUG)
 }
 
 TEST(IPAddressTest, TestInterfaceAddress) {
diff --git a/webrtc/base/socketaddress_unittest.cc b/webrtc/base/socketaddress_unittest.cc
index 6e9f089..21412fa 100644
--- a/webrtc/base/socketaddress_unittest.cc
+++ b/webrtc/base/socketaddress_unittest.cc
@@ -325,23 +325,26 @@
   SocketAddress addr_v4("1.2.3.4", 5678);
   EXPECT_EQ("1.2.3.4", addr_v4.HostAsURIString());
   EXPECT_EQ("1.2.3.4:5678", addr_v4.ToString());
-  EXPECT_EQ("1.2.3.4", addr_v4.HostAsSensitiveURIString());
-  EXPECT_EQ("1.2.3.4:5678", addr_v4.ToSensitiveString());
-  IPAddress::set_strip_sensitive(true);
+
+#if defined(NDEBUG)
   EXPECT_EQ("1.2.3.x", addr_v4.HostAsSensitiveURIString());
   EXPECT_EQ("1.2.3.x:5678", addr_v4.ToSensitiveString());
-  IPAddress::set_strip_sensitive(false);
+#else
+  EXPECT_EQ("1.2.3.4", addr_v4.HostAsSensitiveURIString());
+  EXPECT_EQ("1.2.3.4:5678", addr_v4.ToSensitiveString());
+#endif  // defined(NDEBUG)
 
   SocketAddress addr_v6(kTestV6AddrString, 5678);
   EXPECT_EQ("[" + kTestV6AddrString + "]", addr_v6.HostAsURIString());
   EXPECT_EQ(kTestV6AddrFullString, addr_v6.ToString());
-  EXPECT_EQ("[" + kTestV6AddrString + "]", addr_v6.HostAsSensitiveURIString());
-  EXPECT_EQ(kTestV6AddrFullString, addr_v6.ToSensitiveString());
-  IPAddress::set_strip_sensitive(true);
+#if defined(NDEBUG)
   EXPECT_EQ("[" + kTestV6AddrAnonymizedString + "]",
             addr_v6.HostAsSensitiveURIString());
   EXPECT_EQ(kTestV6AddrFullAnonymizedString, addr_v6.ToSensitiveString());
-  IPAddress::set_strip_sensitive(false);
+#else
+  EXPECT_EQ("[" + kTestV6AddrString + "]", addr_v6.HostAsSensitiveURIString());
+  EXPECT_EQ(kTestV6AddrFullString, addr_v6.ToSensitiveString());
+#endif  // defined(NDEBUG)
 }
 
 }  // namespace rtc