New resolution change policies for desktop and tab capture.

content/renderer/media/webrtc/media_stream_remote_video_source.h

 // Copyright 2014 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_WEBRTC_MEDIA_STREAM_REMOTE_VIDEO_SOURCE_H_
 #define CONTENT_RENDERER_MEDIA_WEBRTC_MEDIA_STREAM_REMOTE_VIDEO_SOURCE_H_
 
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "content/common/content_export.h"
@@ skipping 18 matching lines @@
  protected:
   // Implements MediaStreamVideoSource.
   void GetCurrentSupportedFormats(
       int max_requested_width,
       int max_requested_height,
       double max_requested_frame_rate,
       const VideoCaptureDeviceFormatsCB& callback) override;
 
   void StartSourceImpl(
       const media::VideoCaptureFormat& format,
+      const blink::WebMediaConstraints& constraints,
       const VideoCaptureDeliverFrameCB& frame_callback) override;
 
   void StopSourceImpl() override;
 
   // Used by tests to test that a frame can be received and that the
   // MediaStreamRemoteVideoSource behaves as expected.
   webrtc::VideoRendererInterface* RenderInterfaceForTest();
 
  private:
   void OnChanged(webrtc::MediaStreamTrackInterface::TrackState state);
 
   // Internal class used for receiving frames from the webrtc track on a
   // libjingle thread and forward it to the IO-thread.
   class RemoteVideoSourceDelegate;
   scoped_refptr<RemoteVideoSourceDelegate> delegate_;
   scoped_ptr<TrackObserver> observer_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaStreamRemoteVideoSource);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBRTC_MEDIA_STREAM_REMOTE_VIDEO_SOURCE_H_