Implement a source for remote video tracks.

content/renderer/media/remote_media_stream_impl.h

 // Copyright (c) 2012 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_REMOTE_MEDIA_STREAM_IMPL_H_
 #define CONTENT_RENDERER_MEDIA_REMOTE_MEDIA_STREAM_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "base/threading/non_thread_safe.h"
 #include "content/common/content_export.h"
 #include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h"
 #include "third_party/WebKit/public/platform/WebMediaStream.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
 
 namespace content {
 
-class RemoteMediaStreamTrackObserver;
+class RemoteMediaStreamTrackAdapter;
 
 // RemoteMediaStreamImpl serves as a container and glue between remote webrtc
 // MediaStreams and WebKit MediaStreams. For each remote MediaStream received
 // on a PeerConnection a RemoteMediaStreamImpl instance is created and
 // owned by RtcPeerConnection.
 class CONTENT_EXPORT RemoteMediaStreamImpl
     : NON_EXPORTED_BASE(public webrtc::ObserverInterface),
       NON_EXPORTED_BASE(public base::NonThreadSafe) {
  public:
   explicit RemoteMediaStreamImpl(
       webrtc::MediaStreamInterface* webrtc_stream);
   virtual ~RemoteMediaStreamImpl();
 
   const blink::WebMediaStream& webkit_stream() { return webkit_stream_; }
 
  private:
   // webrtc::ObserverInterface implementation.
   virtual void OnChanged() OVERRIDE;
 
   scoped_refptr<webrtc::MediaStreamInterface> webrtc_stream_;
-  ScopedVector<RemoteMediaStreamTrackObserver> audio_track_observers_;
-  ScopedVector<RemoteMediaStreamTrackObserver> video_track_observers_;
+  ScopedVector<RemoteMediaStreamTrackAdapter> video_track_observers_;
+  ScopedVector<RemoteMediaStreamTrackAdapter> audio_track_observers_;
   blink::WebMediaStream webkit_stream_;
 
   DISALLOW_COPY_AND_ASSIGN(RemoteMediaStreamImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_REMOTE_MEDIA_STREAM_IMPL_H_