Add GetFrameConsumer() in VideoRenderer.

remoting/protocol/frame_consumer.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2016 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 REMOTING_CLIENT_FRAME_CONSUMER_H_
-#define REMOTING_CLIENT_FRAME_CONSUMER_H_
+#ifndef REMOTING_PROTOCOL_FRAME_CONSUMER_H_
+#define REMOTING_PROTOCOL_FRAME_CONSUMER_H_
 
 #include "base/macros.h"
 
 namespace webrtc {
 class DesktopFrame;
-class DesktopRect;
-class DesktopRegion;
 class DesktopSize;
-class DesktopVector;
 }  // namespace webrtc
 
 namespace remoting {
+namespace protocol {
 
 class FrameConsumer {
  public:
   // List of supported pixel formats needed by various platforms.
   enum PixelFormat {
     FORMAT_BGRA,  // Used by the Pepper plugin.
     FORMAT_RGBA,  // Used for Android's Bitmap class.
   };
 
   virtual scoped_ptr<webrtc::DesktopFrame> AllocateFrame(
       const webrtc::DesktopSize& size) = 0;
 
   virtual void DrawFrame(scoped_ptr<webrtc::DesktopFrame> frame,
                          const base::Closure& done) = 0;
 
   // Returns the preferred pixel encoding for the platform.
   virtual PixelFormat GetPixelFormat() = 0;
 
  protected:
   FrameConsumer() {}
   virtual ~FrameConsumer() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FrameConsumer);
 };
 
+}  // namespace protocol
 }  // namespace remoting
 
-#endif  // REMOTING_CLIENT_FRAME_CONSUMER_H_
+#endif  // REMOTING_PROTOCOL_FRAME_CONSUMER_H_