Hook up WebRTC logging extension API to the underlying functionality.

content/renderer/media/media_stream_dependency_factory.cc

Index: content/renderer/media/media_stream_dependency_factory.cc
diff --git a/content/renderer/media/media_stream_dependency_factory.cc b/content/renderer/media/media_stream_dependency_factory.cc
index 0f3b731f6b049e791a290b20ea921ffe425ae63b..a4ed0ae7dd3e0da8eb739c9c61e7feeb5ebb556e 100644
--- a/content/renderer/media/media_stream_dependency_factory.cc
+++ b/content/renderer/media/media_stream_dependency_factory.cc
@@ -50,10 +50,6 @@
 
 namespace content {
 
-// The constraint key for the PeerConnection constructor for enabling diagnostic
-// WebRTC logging. It's a Google specific key, hence the "goog" prefix.
-const char kWebRtcLoggingConstraint[] = "googLog";
-
 // Constant constraint keys which enables default audio constraints on
 // mediastreams with audio.
 struct {
@@ -569,19 +565,6 @@ MediaStreamDependencyFactory::CreatePeerConnection(
   CHECK(web_frame);
   CHECK(observer);
 
-  webrtc::MediaConstraintsInterface::Constraints optional_constraints =
-      constraints->GetOptional();
-  std::string constraint_value;
-  if (optional_constraints.FindFirst(kWebRtcLoggingConstraint,
-                                     &constraint_value)) {
-    std::string url = web_frame->document().url().spec();
-    RenderThreadImpl::current()->GetIOMessageLoopProxy()->PostTask(
-        FROM_HERE, base::Bind(
-            &InitWebRtcLogging,
-            constraint_value,
-            url));
-  }
-
   scoped_refptr<P2PPortAllocatorFactory> pa_factory =
         new talk_base::RefCountedObject<P2PPortAllocatorFactory>(
             p2p_socket_dispatcher_.get(),