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

media/audio/audio_input_controller.h

Index: media/audio/audio_input_controller.h
diff --git a/media/audio/audio_input_controller.h b/media/audio/audio_input_controller.h
index 35ec1b77fc72f8f527093e7345da2af5d4f40499..ae68f70c310804f8f1a07ce283bea0cc7aaffc43 100644
--- a/media/audio/audio_input_controller.h
+++ b/media/audio/audio_input_controller.h
@@ -138,8 +138,7 @@ class MEDIA_EXPORT AudioInputController
 
     // Write certain amount of data from |data|. This method returns
     // number of written bytes.
-    virtual uint32 Write(const void* data,
-                         uint32 size,
+    virtual uint32 Write(const AudioBus* data,
                          double volume,
                          bool key_pressed) = 0;
 
@@ -230,8 +229,10 @@ class MEDIA_EXPORT AudioInputController
 
   // AudioInputCallback implementation. Threading details depends on the
   // device-specific implementation.
-  virtual void OnData(AudioInputStream* stream, const uint8* src, uint32 size,
-                      uint32 hardware_delay_bytes, double volume) OVERRIDE;
+  virtual void OnData(AudioInputStream* stream,
+                      const AudioBus* source,
+                      uint32 hardware_delay_bytes,
+                      double volume) OVERRIDE;
   virtual void OnError(AudioInputStream* stream) OVERRIDE;
 
   bool SharedMemoryAndSyncSocketMode() const { return sync_writer_ != NULL; }
@@ -325,7 +326,6 @@ class MEDIA_EXPORT AudioInputController
   scoped_ptr<AudioPowerMonitor> audio_level_;
 
   // We need these to be able to feed data to the AudioPowerMonitor.
-  scoped_ptr<AudioBus> audio_bus_;
   media::AudioParameters audio_params_;
   base::TimeTicks last_audio_level_log_time_;
 #endif