Implement a source for remote video tracks.

content/renderer/media/media_stream_video_track.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_TRACK_H_
 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_TRACK_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_vector.h"
 #include "base/threading/thread_checker.h"
 #include "content/common/content_export.h"
 #include "content/public/renderer/media_stream_video_sink.h"
 #include "content/renderer/media/media_stream_track.h"
 #include "content/renderer/media/media_stream_video_source.h"
 
 namespace webrtc {
 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
 // and can be retrieved from a blink object using
 // WebMediaStreamTrack::extraData() or MediaStreamVideoTrack::GetVideoTrack.
 class CONTENT_EXPORT MediaStreamVideoTrack : public MediaStreamTrack {
  public:
   // Help method to create a blink::WebMediaStreamTrack and a
   // MediaStreamVideoTrack instance. The MediaStreamVideoTrack object is owned
   // by the blink object in its WebMediaStreamTrack::ExtraData member.
@@ skipping 44 matching lines @@
   // track.
   MediaStreamVideoSource* source_;
 
   // Weak ref to a MediaStreamDependencyFactory, owned by the RenderThread.
   // It's valid for the lifetime of RenderThread.
   MediaStreamDependencyFactory* factory_;
 
   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_