Remove VideoDecoder::natural_size() & added VideoFrame::natural_size().

content/renderer/media/rtc_video_decoder.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_RTC_VIDEO_DECODER_H_
 #define CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 26 matching lines @@
                   base::TaskRunner* main_thread,  // For accessing VideoTracks.
                   webrtc::VideoTrackInterface* video_track);
 
   // media::VideoDecoder implementation.
   virtual void Initialize(const scoped_refptr<media::DemuxerStream>& stream,
                           const media::PipelineStatusCB& status_cb,
                           const media::StatisticsCB& statistics_cb) OVERRIDE;
   virtual void Read(const ReadCB& read_cb) OVERRIDE;
   virtual void Reset(const base::Closure& clusure) OVERRIDE;
   virtual void Stop(const base::Closure& clusure) OVERRIDE;
-  virtual const gfx::Size& natural_size() OVERRIDE;
   virtual void PrepareForShutdownHack() OVERRIDE;
 
   // webrtc::VideoRendererInterface implementation
   virtual void SetSize(int width, int height) OVERRIDE;
   virtual void RenderFrame(const cricket::VideoFrame* frame) OVERRIDE;
 
  protected:
   virtual ~RTCVideoDecoder();
 
  private:
@@ skipping 31 matching lines @@
   // The video track the renderer is connected to.
   scoped_refptr<webrtc::VideoTrackInterface> video_track_;
 
   // Used for accessing |read_cb_| from another thread.
   base::Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(RTCVideoDecoder);
 };
 
 #endif  // CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_