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..896fa370026978a1b4b221e3d97b33e95d87f279 100644
--- a/media/audio/audio_manager_base.h
+++ b/media/audio/audio_manager_base.h
@@ -84,13 +84,12 @@ class MEDIA_EXPORT AudioManagerBase : public AudioManager {
       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);
+  // streams. If the users inject a valid |input_params|, each AudioManager
+  // will decide if they should return the values from |input_params| or the
+  // default hardware values. If the |input_params| is invalid, it will return
+  // the default hardware audio parameters.
+  virtual AudioParameters GetPreferredOutputStreamParameters(

[DaleCurtis, 2013/03/05 01:40:53]

Move to protected? Ditto for implementations.

[no longer working on chromium, 2013/03/05 10:09:35]

Done.

+      const AudioParameters& input_params) = 0;
 
   // Listeners will be notified on the AudioManager::GetMessageLoop() loop.
   virtual void AddOutputDeviceChangeListener(
@@ -98,6 +97,10 @@ class MEDIA_EXPORT AudioManagerBase : public AudioManager {
   virtual void RemoveOutputDeviceChangeListener(
       AudioDeviceListener* listener) OVERRIDE;
 
+  virtual AudioParameters GetDefaultOutputStreamParameters() OVERRIDE;
+  virtual AudioParameters GetInputStreamParameters(
+      const std::string& device_id) OVERRIDE;
+
  protected:
   AudioManagerBase();