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

media/audio/android/opensles_input.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.
 
 #ifndef MEDIA_AUDIO_ANDROID_OPENSLES_INPUT_H_
 #define MEDIA_AUDIO_ANDROID_OPENSLES_INPUT_H_
 
 #include <SLES/OpenSLES.h>
 #include <SLES/OpenSLES_Android.h>
 
 #include "base/compiler_specific.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread_checker.h"
 #include "media/audio/android/opensles_util.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_parameters.h"
 
 namespace media {
 
+class AudioBus;
 class AudioManagerAndroid;
 
 // Implements PCM audio input support for Android using the OpenSLES API.
 // This class is created and lives on the Audio Manager thread but recorded
 // audio buffers are delivered on an internal OpenSLES audio thread. All public
 // methods should be called on the Audio Manager thread.
 class OpenSLESInputStream : public AudioInputStream {
  public:
   static const int kMaxNumOfBuffersInQueue = 2;
 
@@ skipping 57 matching lines @@
 
   // Audio buffers that are allocated in the constructor based on
   // info from audio parameters.
   uint8* audio_data_[kMaxNumOfBuffersInQueue];
 
   int active_buffer_index_;
   int buffer_size_bytes_;
 
   bool started_;
 
+  scoped_ptr<media::AudioBus> audio_bus_;
+
   DISALLOW_COPY_AND_ASSIGN(OpenSLESInputStream);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_ANDROID_OPENSLES_INPUT_H_