Modifies AudioInputCallback::OnData and use media::AudioBus instead of plain byte vector

media/audio/fake_audio_input_stream.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.
 //
 // A fake implementation of AudioInputStream, useful for testing purpose.
 
 #ifndef MEDIA_AUDIO_FAKE_AUDIO_INPUT_STREAM_H_
 #define MEDIA_AUDIO_FAKE_AUDIO_INPUT_STREAM_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread.h"
 #include "base/time/time.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_parameters.h"
 
 namespace media {
 
+class AudioBus;
 class AudioManagerBase;
 
 class MEDIA_EXPORT FakeAudioInputStream
     : public AudioInputStream {
  public:
   static AudioInputStream* MakeFakeStream(AudioManagerBase* manager,
                                           const AudioParameters& params);
 
   virtual bool Open() OVERRIDE;
   virtual void Start(AudioInputCallback* callback) OVERRIDE;
@@ skipping 30 matching lines @@
   int buffer_size_;
   AudioParameters params_;
   base::Thread thread_;
   base::TimeTicks last_callback_time_;
   base::TimeDelta callback_interval_;
   base::TimeDelta interval_from_last_beep_;
   int beep_duration_in_buffers_;
   int beep_generated_in_buffers_;
   int beep_period_in_frames_;
   int frames_elapsed_;
+  scoped_ptr<media::AudioBus> audio_bus_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeAudioInputStream);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_FAKE_AUDIO_INPUT_STREAM_H_