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

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

Index: trunk/src/media/audio/win/audio_low_latency_input_win.h
===================================================================
--- trunk/src/media/audio/win/audio_low_latency_input_win.h	(revision 277811)
+++ trunk/src/media/audio/win/audio_low_latency_input_win.h	(working copy)
@@ -75,7 +75,6 @@
 
 namespace media {
 
-class AudioBus;
 class AudioManagerWin;
 
 // AudioInputStream implementation using Windows Core Audio APIs.
@@ -212,10 +211,6 @@
   // This event will be signaled when capturing shall stop.
   base::win::ScopedHandle stop_capture_event_;
 
-  // Extra audio bus used for storage of deinterleaved data for the OnData
-  // callback.
-  scoped_ptr<media::AudioBus> audio_bus_;
-
   DISALLOW_COPY_AND_ASSIGN(WASAPIAudioInputStream);
 };