Make WebRtcVideoChannel2::WebRtcVideoSendStream implement rtc::VideoRendererInterface.

talk/app/webrtc/videotrackrenderers.h

Index: talk/app/webrtc/videotrackrenderers.h
diff --git a/talk/app/webrtc/videotrackrenderers.h b/talk/app/webrtc/videotrackrenderers.h
index 2a73ed4fefff22e8fefff790ac4a81c3eff0e111..cc429c217f7358372ceea8a03a9856126e15b726 100644
--- a/talk/app/webrtc/videotrackrenderers.h
+++ b/talk/app/webrtc/videotrackrenderers.h
@@ -51,17 +51,17 @@ class VideoTrackRenderers : public cricket::VideoRenderer {
   // incoming frames are replaced by black frames.
   virtual bool RenderFrame(const cricket::VideoFrame* frame);
 
-  void AddRenderer(VideoRendererInterface* renderer);
-  void RemoveRenderer(VideoRendererInterface* renderer);
+  void AddSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink);
+  void RemoveSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink);
   void SetEnabled(bool enable);
 
  private:
   // Pass the frame on to to each registered renderer. Requires
   // critical_section_ already locked.
-  void RenderFrameToRenderers(const cricket::VideoFrame* frame);
+  void SendFrameToSinks(const cricket::VideoFrame& frame);
 
   bool enabled_;
-  std::set<VideoRendererInterface*> renderers_;
+  std::set<rtc::VideoSinkInterface<cricket::VideoFrame>*> sinks_;
 
   rtc::CriticalSection critical_section_;  // Protects the above variables
 };