Implement a source for remote video tracks.

content/renderer/media/media_stream_video_track.h

Index: content/renderer/media/media_stream_video_track.h
diff --git a/content/renderer/media/media_stream_video_track.h b/content/renderer/media/media_stream_video_track.h
index 16c0a912404a0e1f454a766b0a3d312f238eb513..07307ae0982f3661274efd7f4e687f660cd77121 100644
--- a/content/renderer/media/media_stream_video_track.h
+++ b/content/renderer/media/media_stream_video_track.h
@@ -22,7 +22,6 @@ class VideoTrackInterface;
 namespace content {
 
 class MediaStreamDependencyFactory;
-class WebRtcVideoSinkAdapter;
 
 // MediaStreamVideoTrack is a video specific representation of a
 // blink::WebMediaStreamTrack in content. It is owned by the blink object
@@ -87,26 +86,6 @@ class CONTENT_EXPORT MediaStreamVideoTrack : public MediaStreamTrack {
   DISALLOW_COPY_AND_ASSIGN(MediaStreamVideoTrack);
 };
 
-// WebRtcMediaStreamVideoTrack is a content representation of a video track.
-// received on a PeerConnection.
-// TODO(perkj): Replace WebRtcMediaStreamVideoTrack with a remote
-// MediaStreamVideoSource class so that all tracks are MediaStreamVideoTracks
-// and new tracks can be cloned from the original remote video track.
-// crbug/334243.
-class CONTENT_EXPORT WebRtcMediaStreamVideoTrack
-    : public MediaStreamVideoTrack {
- public:
-  explicit WebRtcMediaStreamVideoTrack(webrtc::VideoTrackInterface* track);
-  virtual ~WebRtcMediaStreamVideoTrack();
-  virtual void AddSink(MediaStreamVideoSink* sink) OVERRIDE;
-  virtual void RemoveSink(MediaStreamVideoSink* sink) OVERRIDE;
-
- private:
-  ScopedVector<WebRtcVideoSinkAdapter> sinks_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebRtcMediaStreamVideoTrack);
-};
-
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_TRACK_H_