Remove unused VideoFrameCapturer::size_most_recent() method.

remoting/capturer/video_frame_capturer_fake.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 REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_FAKE_H_
 #define REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_FAKE_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "remoting/capturer/video_frame_capturer.h"
 #include "remoting/capturer/video_frame_capturer_helper.h"
@@ skipping 11 matching lines @@
   static const int kHeight = 600;
 
   VideoFrameCapturerFake();
   virtual ~VideoFrameCapturerFake();
 
   // Overridden from VideoFrameCapturer:
   virtual void Start(Delegate* delegate) OVERRIDE;
   virtual void Stop() OVERRIDE;
   virtual void InvalidateRegion(const SkRegion& invalid_region) OVERRIDE;
   virtual void CaptureFrame() OVERRIDE;
-  virtual const SkISize& size_most_recent() const OVERRIDE;
 
  private:
   // Generates an image in the front buffer.
   void GenerateImage();
 
   // Called when the screen configuration is changed.
   void ScreenConfigurationChanged();
 
   Delegate* delegate_;
 
@@ skipping 12 matching lines @@
 
   // The current buffer with valid data for reading.
   int current_buffer_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoFrameCapturerFake);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_FAKE_H_