Remove unused VideoFrameCapturer::size_most_recent() method.

remoting/capturer/video_frame_capturer_mac.mm

 // 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.
 
 #include "remoting/capturer/video_frame_capturer.h"
 
 #include <ApplicationServices/ApplicationServices.h>
 #include <Cocoa/Cocoa.h>
 #include <dlfcn.h>
 #include <IOKit/pwr_mgt/IOPMLib.h>
@@ skipping 94 matching lines @@
   VideoFrameCapturerMac();
   virtual ~VideoFrameCapturerMac();
 
   bool Init();
 
   // 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:
   void CaptureCursor();
 
   void GlBlitFast(const VideoFrame& buffer, const SkRegion& region);
   void GlBlitSlow(const VideoFrame& buffer);
   void CgBlitPreLion(const VideoFrame& buffer, const SkRegion& region);
   void CgBlitPostLion(const VideoFrame& buffer, const SkRegion& region);
 
   // Called when the screen configuration is changed.
@@ skipping 520 matching lines @@
       CopyRect(display_base_address,
                src_bytes_per_row,
                out_ptr,
                buffer.bytes_per_row(),
                src_bytes_per_pixel,
                i.rect());
     }
   }
 }
 
-const SkISize& VideoFrameCapturerMac::size_most_recent() const {
-  return helper_.size_most_recent();
-}
-
 void VideoFrameCapturerMac::ScreenConfigurationChanged() {
   // Release existing buffers, which will be of the wrong size.
   ReleaseBuffers();
 
   // Clear the dirty region, in case the display is down-sizing.
   helper_.ClearInvalidRegion();
 
   // Fetch the list if active displays and calculate their bounds.
   CGDisplayCount display_count;
   CGError error = CGGetActiveDisplayList(0, NULL, &display_count);
@@ skipping 185 matching lines @@
 }
 
 // static
 scoped_ptr<VideoFrameCapturer> VideoFrameCapturer::CreateWithFactory(
     SharedBufferFactory* shared_buffer_factory) {
   NOTIMPLEMENTED();
   return scoped_ptr<VideoFrameCapturer>();
 }
 
 }  // namespace remoting