Pass GpuMemoryBuffer backed VideoFrame from browser to renderer processes

media/capture/video/video_capture_device.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.
 //
 // VideoCaptureDevice is the abstract base class for realizing video capture
 // device support in Chromium. It provides the interface for OS dependent
 // implementations.
 // The class is created and functions are invoked on a thread owned by
 // VideoCaptureManager. Capturing is done on other threads, depending on the OS
 // specific implementation.
@@ skipping 163 matching lines @@
   // is actually two-in-one: clients may implement OnIncomingCapturedData() or
   // ReserveOutputBuffer() + OnIncomingCapturedVideoFrame(), or all of them.
   // All clients must implement OnError().
   class MEDIA_EXPORT Client {
    public:
     // Memory buffer returned by Client::ReserveOutputBuffer().
     class MEDIA_EXPORT Buffer {
      public:
       virtual ~Buffer() = 0;
       virtual int id() const = 0;
-      virtual size_t size() const = 0;
+      virtual gfx::Size dimensions() const = 0;
+      virtual size_t mapped_size() const = 0;
       virtual void* data(int plane) = 0;
       void* data() { return data(0); }
       virtual ClientBuffer AsClientBuffer(int plane) = 0;
 #if defined(OS_POSIX)
       virtual base::FileDescriptor AsPlatformFile() = 0;
 #endif
     };
 
     virtual ~Client() {}
 
@@ skipping 90 matching lines @@
   int GetPowerLineFrequencyForLocation() const;
 
  protected:
   static const int kPowerLine50Hz = 50;
   static const int kPowerLine60Hz = 60;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_H_