Remove OnMoreIOData()

media/audio/mac/audio_auhal_mac.h

Index: media/audio/mac/audio_auhal_mac.h
diff --git a/media/audio/mac/audio_auhal_mac.h b/media/audio/mac/audio_auhal_mac.h
index 5c697f58fa1f8a6316de32e1f55d445389909e63..58e06d20a53587559b35a978e5ef1b5590c86fe9 100644
--- a/media/audio/mac/audio_auhal_mac.h
+++ b/media/audio/mac/audio_auhal_mac.h
@@ -33,8 +33,7 @@ class AudioPullFifo;
 
 // Implementation of AudioOuputStream for Mac OS X using the
 // AUHAL Audio Unit present in OS 10.4 and later.
-// It is useful for low-latency output with optional synchronized
-// input.
+// It is useful for low-latency output.
 //
 // Overview of operation:
 // 1) An object of AUHALStream is created by the AudioManager
@@ -88,8 +87,8 @@ class AUHALStream : public AudioOutputStream {
   // Called by either |audio_fifo_| or Render() to provide audio data.
   void ProvideInput(int frame_delay, AudioBus* dest);
 
-  // Helper method to enable input and output.
-  bool EnableIO(bool enable, UInt32 scope);
+  // Helper method to enable output.
+  bool EnableIO();
 
   // Sets the stream format on the AUHAL to PCM Float32 non-interleaved
   // for the given number of channels on the given scope and element.
@@ -117,7 +116,6 @@ class AUHALStream : public AudioOutputStream {
 
   const AudioParameters params_;
   // For convenience - same as in params_.
-  const int input_channels_;
   const int output_channels_;
 
   // Buffer-size.
@@ -131,7 +129,6 @@ class AUHALStream : public AudioOutputStream {
   base::Lock source_lock_;
 
   // Holds the stream format details such as bitrate.
-  AudioStreamBasicDescription input_format_;
   AudioStreamBasicDescription output_format_;
 
   // The audio device to use with the AUHAL.
@@ -150,14 +147,7 @@ class AUHALStream : public AudioOutputStream {
   // The flag used to stop the streaming.
   bool stopped_;
 
-  // The input AudioUnit renders its data here.
-  scoped_ptr<uint8[]> input_buffer_list_storage_;
-  AudioBufferList* input_buffer_list_;
-
-  // Holds the actual data for |input_buffer_list_|.
-  scoped_ptr<AudioBus> input_bus_;
-
-  // Container for retrieving data from AudioSourceCallback::OnMoreIOData().
+  // Container for retrieving data from AudioSourceCallback::OnMoreData().
   scoped_ptr<AudioBus> output_bus_;
 
   // Dynamically allocated FIFO used when CoreAudio asks for unexpected frame