New PeerConnection handler in Chrome to support latest PeerConnection draft

content/renderer/media/media_stream_impl.cc

Index: content/renderer/media/media_stream_impl.cc
diff --git a/content/renderer/media/media_stream_impl.cc b/content/renderer/media/media_stream_impl.cc
index b68d34d2a4ecc375730cbc1efdef9117d22b74c4..6752985aa3f5fcee1fa3e4a0e10b88e7d9a47ae8 100644
--- a/content/renderer/media/media_stream_impl.cc
+++ b/content/renderer/media/media_stream_impl.cc
@@ -19,6 +19,7 @@
 #include "content/renderer/media/media_stream_dependency_factory.h"
 #include "content/renderer/media/media_stream_dispatcher.h"
 #include "content/renderer/media/peer_connection_handler_jsep.h"
+#include "content/renderer/media/rtc_peer_connection_handler.h"
 #include "content/renderer/media/video_capture_impl_manager.h"
 #include "content/renderer/media/video_capture_module_impl.h"
 #include "content/renderer/media/webrtc_audio_device_impl.h"
@@ -43,6 +44,7 @@ const int kVideoCaptureFramePerSecond = 30;
 enum JavaScriptAPIName {
   kWebkitGetUserMedia,
   kWebkitPeerConnection,
+  kWebkitRtcPeerConnection,
   kInvalidName
 };
 }  // namespace
@@ -110,6 +112,23 @@ MediaStreamImpl::CreatePeerConnectionHandlerJsep(
   return pc_handler;
 }
 
+WebKit::WebRTCPeerConnectionHandler*
+MediaStreamImpl::CreateRTCPeerConnectionHandler(
+    WebKit::WebRTCPeerConnectionHandlerClient* client) {
+  // Save histogram data so we can see how much PeerConnetion is used.
+  // The histogram counts the number of calls to the JS API
+  // webKitRTCPeerConnection.
+  UpdateWebRTCMethodCount(kWebkitRtcPeerConnection);
+  DCHECK(CalledOnValidThread());
+  if (!EnsurePeerConnectionFactory())
+    return NULL;
+
+  RTCPeerConnectionHandler* pc_handler = new RTCPeerConnectionHandler(
+      client,
+      dependency_factory_.get());
+  return pc_handler;
+}
+
 void MediaStreamImpl::StopLocalMediaStream(
     const WebKit::WebMediaStreamDescriptor& stream) {
   DVLOG(1) << "MediaStreamImpl::StopLocalMediaStream";