Revert 277794 "Modifies AudioInputCallback::OnData and use media..."

trunk/src/media/audio/win/wavein_input_win.h

Index: trunk/src/media/audio/win/wavein_input_win.h
===================================================================
--- trunk/src/media/audio/win/wavein_input_win.h	(revision 277811)
+++ trunk/src/media/audio/win/wavein_input_win.h	(working copy)
@@ -20,7 +20,6 @@
 
 namespace media {
 
-class AudioBus;
 class AudioManagerWin;
 
 class PCMWaveInAudioInputStream : public AudioInputStream {
@@ -124,10 +123,6 @@
   // Lock used to avoid conflicts when Stop() is called during a callback.
   base::Lock lock_;
 
-  // Extra audio bus used for storage of deinterleaved data for the OnData
-  // callback.
-  scoped_ptr<media::AudioBus> audio_bus_;
-
   DISALLOW_COPY_AND_ASSIGN(PCMWaveInAudioInputStream);
 };