Remove "high"-latency audio code path

content/browser/renderer_host/media/audio_renderer_host.h

Index: content/browser/renderer_host/media/audio_renderer_host.h
diff --git a/content/browser/renderer_host/media/audio_renderer_host.h b/content/browser/renderer_host/media/audio_renderer_host.h
index 16e2d02120c78840612ffbb016f9a20f4c707618..0b1154dcf054fff4c1554df82adcf599bc8d2310 100644
--- a/content/browser/renderer_host/media/audio_renderer_host.h
+++ b/content/browser/renderer_host/media/audio_renderer_host.h
@@ -97,8 +97,6 @@ class CONTENT_EXPORT AudioRendererHost
     // ownership of the reader.
     scoped_ptr<media::AudioOutputController::SyncReader> reader;
 
-    bool pending_buffer_request;
-
     // Set to true after we called Close() for the controller.
     bool pending_close;
   };
@@ -120,8 +118,6 @@ class CONTENT_EXPORT AudioRendererHost
   virtual void OnPaused(media::AudioOutputController* controller) OVERRIDE;
   virtual void OnError(media::AudioOutputController* controller,
                        int error_code) OVERRIDE;
-  virtual void OnMoreData(media::AudioOutputController* controller,
-                          AudioBuffersState buffers_state) OVERRIDE;
 
  private:
   friend class AudioRendererHostTest;
@@ -139,9 +135,7 @@ class CONTENT_EXPORT AudioRendererHost
   // Creates an audio output stream with the specified format. If this call is
   // successful this object would keep an internal entry of the stream for the
   // required properties.
-  void OnCreateStream(int stream_id,
-                      const AudioParameters& params,
-                      bool low_latency);
+  void OnCreateStream(int stream_id, const AudioParameters& params);
 
   // Play the audio stream referenced by |stream_id|.
   void OnPlayStream(int stream_id);
@@ -149,7 +143,7 @@ class CONTENT_EXPORT AudioRendererHost
   // Pause the audio stream referenced by |stream_id|.
   void OnPauseStream(int stream_id);
 
-  // Discard all audio data in  stream referenced by |stream_id|.
+  // Discard all audio data in stream referenced by |stream_id|.
   void OnFlushStream(int stream_id);
 
   // Close the audio stream referenced by |stream_id|.
@@ -158,12 +152,6 @@ class CONTENT_EXPORT AudioRendererHost
   // Set the volume of the audio stream referenced by |stream_id|.
   void OnSetVolume(int stream_id, double volume);

[henrika (OOO until Aug 14), 2012/01/29 20:54:00]

Why has OnGetVolume() been removed?

[vrk (LEFT CHROMIUM), 2012/01/31 23:53:08]

As I was deleting unused code, I noticed that OnGetVolume() is also never used,
so I also deleted that.

 
-  // Get the volume of the audio stream referenced by |stream_id|.
-  void OnGetVolume(int stream_id);
-
-  // Notify packet has been prepared for the audio stream.
-  void OnNotifyPacketReady(int stream_id, uint32 packet_size);
-
   // Complete the process of creating an audio stream. This will set up the
   // shared memory or shared socket in low latency mode.
   void DoCompleteCreation(media::AudioOutputController* controller);
@@ -172,11 +160,6 @@ class CONTENT_EXPORT AudioRendererHost
   void DoSendPlayingMessage(media::AudioOutputController* controller);
   void DoSendPausedMessage(media::AudioOutputController* controller);
 
-  // Request more data from the renderer. This method is used only in normal
-  // latency mode.
-  void DoRequestMoreData(media::AudioOutputController* controller,
-                         AudioBuffersState buffers_state);
-
   // Handle error coming from audio stream.
   void DoHandleError(media::AudioOutputController* controller, int error_code);