Refactor audio and video decoder status into common file.

media/renderers/audio_renderer_impl.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.
 
 // Audio rendering unit utilizing an AudioRendererSink to output data.
 //
 // This class lives inside three threads during it's lifetime, namely:
 // 1. Render thread
 //    Where the object is created.
 // 2. Media thread (provided via constructor)
@@ skipping 110 matching lines @@
   };
 
   // Callback from the audio decoder delivering decoded audio samples.
   void DecodedAudioReady(AudioBufferStream::Status status,
                          const scoped_refptr<AudioBuffer>& buffer);
 
   // Handles buffers that come out of |splicer_|.
   // Returns true if more buffers are needed.
   bool HandleSplicerBuffer_Locked(const scoped_refptr<AudioBuffer>& buffer);
 
-  // Helper functions for AudioDecoder::Status values passed to
+  // Helper functions for DecodeStatus values passed to
   // DecodedAudioReady().
   void HandleAbortedReadOrDecodeError(PipelineStatus status);
 
   void StartRendering_Locked();
   void StopRendering_Locked();
 
   // AudioRendererSink::RenderCallback implementation.
   //
   // NOTE: These are called on the audio callback thread!
   //
@@ skipping 150 matching lines @@
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<AudioRendererImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioRendererImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_RENDERERS_AUDIO_RENDERER_IMPL_H_