Add video frame refresh to MediaStream and VideoCapture stacks.

content/renderer/media/video_track_to_pepper_adapter.cc

 // Copyright (c) 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.
 
 #include "content/renderer/media/video_track_to_pepper_adapter.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 22 matching lines @@
       reader_(NULL),
       weak_factory_(this) {
   }
 
   ~PpFrameReceiver() override {}
 
   void SetReader(FrameReaderInterface* reader) {
     DCHECK((reader_ && !reader) || (!reader_ && reader))
         << " |reader| = " << reader << ", |reader_| = " << reader_;
     if (reader) {
-      AddToVideoTrack(this,
-                      media::BindToCurrentLoop(
-                          base::Bind(&PpFrameReceiver::OnVideoFrame,
-                                     weak_factory_.GetWeakPtr())),
-                      track_);
+      MediaStreamVideoSink::ConnectToTrack(
+          track_,
+          media::BindToCurrentLoop(
+              base::Bind(&PpFrameReceiver::OnVideoFrame,
+                         weak_factory_.GetWeakPtr())));
     } else {
-      RemoveFromVideoTrack(this, track_);
+      MediaStreamVideoSink::DisconnectFromTrack();
       weak_factory_.InvalidateWeakPtrs();
     }
     reader_ = reader;
   }
 
   void OnVideoFrame(const scoped_refptr<media::VideoFrame>& frame,
                     base::TimeTicks estimated_capture_time) {
     TRACE_EVENT0("video", "PpFrameReceiver::OnVideoFrame");
     if (reader_)
       reader_->GotFrame(frame);
@@ skipping 74 matching lines @@
     FrameReaderInterface* reader)
     : receiver_(new PpFrameReceiver(blink_track)) {
   receiver_->SetReader(reader);
 }
 
 VideoTrackToPepperAdapter::SourceInfo::~SourceInfo() {
   receiver_->SetReader(NULL);
 }
 
 }  // namespace content