Lots of files touched for a very simple change. Everywhere we used a const M...

media/filters/video_renderer_base.h

 // Copyright (c) 2009 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.
 
 // A base class that provides the plumbing for a video renderer.  Derived
 // classes must implement the following methods:
 //   OnInitialized
 //   OnStop (optional)
 //   OnPaintNeeded
 //
@@ skipping 67 matching lines @@
   // otherwise wake up a paint thread, but it is acceptable to call the
   // GetCurrentFrame() method from within OnPaintNeeded().
   virtual void OnPaintNeeded() = 0;
 
   // Gets the frame based on the current pipeline's time.  If the queue is
   // empty, |*frame_out| will be NULL, otherwise it will contain the frame
   // that should be displayed.
   void GetCurrentFrame(scoped_refptr<VideoFrame>* frame_out);
 
   // Answers question from the factory to see if we accept |format|.
-  static bool IsMediaFormatSupported(const MediaFormat* format);
+  static bool IsMediaFormatSupported(const MediaFormat& format);
 
   // Used by the IsMediaFormatSupported and Initialize methods.  Examines the
   // |media_format| and returns true if the format is supported.  Both output
   // parameters, |width_out| and |height_out| are required and must not be NULL.
-  static bool ParseMediaFormat(const MediaFormat* media_format,
+  static bool ParseMediaFormat(const MediaFormat& media_format,
                                int* width_out,
                                int* height_out);
 
  private:
   // Used internally to post a task that will call the SubmitReads() method.
   // The |lock_| must be acquired before calling this method.  If the value of
   // |number_of_reads_needed_| is 0 or if there is already a pending task then
   // this method simply returns and does not post a new task.
   void PostSubmitReadsTask();
 
@@ skipping 78 matching lines @@
   // be displayed.
   typedef std::deque<VideoFrame*> VideoFrameQueue;
   VideoFrameQueue queue_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoRendererBase);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_VIDEO_RENDERER_BASE_H_