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

media/filters/decoder_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 decoder filters.
 
 #ifndef MEDIA_FILTERS_DECODER_BASE_H_
 #define MEDIA_FILTERS_DECODER_BASE_H_
 
 #include <deque>
@@ skipping 40 matching lines @@
       DCHECK(!media_format_.empty());
       host()->InitializationComplete();
       return true;
     } else {
       demuxer_stream_ = NULL;
       decode_thread_.reset();
       return false;
     }
   }
 
-  virtual const MediaFormat* GetMediaFormat() { return &media_format_; }
+  virtual const MediaFormat& media_format() { return media_format_; }
 
   // Audio or Video decoder.
   virtual void Read(Assignable<Output>* output) {
     AutoLock auto_lock(lock_);
     if (IsRunning()) {
       output->AddRef();
       output_queue_.push_back(output);
       ScheduleProcessTask();
     }
   }
@@ skipping 215 matching lines @@
   // Queue of buffers supplied by the renderer through the Read() method.
   typedef std::deque<Assignable<Output>*> OutputQueue;
   OutputQueue output_queue_;
 
   DISALLOW_COPY_AND_ASSIGN(DecoderBase);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_DECODER_BASE_H_