Update AudioRenderer, VideoRenderer, and AudioDecoder Initialize() methods to use PipelineStatusCB.

media/filters/audio_renderer_base.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.
 
 // AudioRendererBase takes care of the tricky queuing work and provides simple
 // methods for subclasses to peek and poke at audio data.  In addition to
 // AudioRenderer interface methods this classes doesn't implement, subclasses
 // must also implement the following methods:
 //   OnInitialized
 //   OnStop
@@ skipping 24 matching lines @@
 
   // Filter implementation.
   virtual void Play(const base::Closure& callback) OVERRIDE;
   virtual void Pause(const base::Closure& callback) OVERRIDE;
   virtual void Stop(const base::Closure& callback) OVERRIDE;
 
   virtual void Seek(base::TimeDelta time, const FilterStatusCB& cb) OVERRIDE;
 
   // AudioRenderer implementation.
   virtual void Initialize(AudioDecoder* decoder,
-                          const base::Closure& init_callback,
+                          const PipelineStatusCB& init_callback,
                           const base::Closure& underflow_callback) OVERRIDE;
   virtual bool HasEnded() OVERRIDE;
   virtual void ResumeAfterUnderflow(bool buffer_more_audio) OVERRIDE;
 
  protected:
   FRIEND_TEST_ALL_PREFIXES(AudioRendererBaseTest, EndOfStream);
   FRIEND_TEST_ALL_PREFIXES(AudioRendererBaseTest, Underflow_EndOfStream);
 
   // Subclasses should return true if they were able to initialize, false
   // otherwise.
@@ skipping 102 matching lines @@
   base::TimeDelta seek_timestamp_;
 
   AudioDecoder::ReadCB read_cb_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioRendererBase);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_AUDIO_RENDERER_BASE_H_