Moved AudioUtil static functions to AudioManager interfaces

media/audio/audio_manager_base.h

Index: media/audio/audio_manager_base.h
diff --git a/media/audio/audio_manager_base.h b/media/audio/audio_manager_base.h
index 22140cbe2a1d4fb91b17aa0bb96f5e58f26cee9f..835bcd2b2d57a18d4c5d20596510bdd2afa35246 100644
--- a/media/audio/audio_manager_base.h
+++ b/media/audio/audio_manager_base.h
@@ -83,15 +83,6 @@ class MEDIA_EXPORT AudioManagerBase : public AudioManager {
   virtual AudioInputStream* MakeLowLatencyInputStream(
       const AudioParameters& params, const std::string& device_id) = 0;
 
-  // Returns the preferred hardware audio output parameters for opening output
-  // streams in the |AUDIO_PCM_LOW_LATENCY| format.
-  // TODO(dalecurtis): Retrieve the |channel_layout| value from hardware instead
-  // of accepting the value.
-  // TODO(dalecurtis): Each AudioManager should implement their own version, see
-  // http://crbug.com/137326
-  virtual AudioParameters GetPreferredLowLatencyOutputStreamParameters(
-      const AudioParameters& input_params);
-
   // Listeners will be notified on the AudioManager::GetMessageLoop() loop.
   virtual void AddOutputDeviceChangeListener(
       AudioDeviceListener* listener) OVERRIDE;