Moved AudioUtil static functions to AudioManager interfaces

media/audio/cras/audio_manager_cras.h

Index: media/audio/cras/audio_manager_cras.h
diff --git a/media/audio/cras/audio_manager_cras.h b/media/audio/cras/audio_manager_cras.h
index e84f47f5a098317ee8c0767ff18ddd6362573108..2c38c8e991512dde09fe4d07594f3214f20c4f41 100644
--- a/media/audio/cras/audio_manager_cras.h
+++ b/media/audio/cras/audio_manager_cras.h
@@ -23,6 +23,8 @@ class MEDIA_EXPORT AudioManagerCras : public AudioManagerBase {
   virtual void ShowAudioInputSettings() OVERRIDE;
   virtual void GetAudioInputDeviceNames(media::AudioDeviceNames* device_names)
       OVERRIDE;
+  virtual AudioParameters GetInputStreamParameters(
+      const std::string& device_id) OVERRIDE;
 
   // AudioManagerBase implementation.
   virtual AudioOutputStream* MakeLinearOutputStream(
@@ -33,12 +35,13 @@ class MEDIA_EXPORT AudioManagerCras : public AudioManagerBase {
       const AudioParameters& params, const std::string& device_id) OVERRIDE;
   virtual AudioInputStream* MakeLowLatencyInputStream(
       const AudioParameters& params, const std::string& device_id) OVERRIDE;
-  virtual AudioParameters GetPreferredLowLatencyOutputStreamParameters(
-      const AudioParameters& input_params) OVERRIDE;
 
  protected:
   virtual ~AudioManagerCras();
 
+  virtual AudioParameters GetPreferredOutputStreamParameters(
+      const AudioParameters& input_params) OVERRIDE;
+
  private:
   // Gets a list of available cras input devices.
   void GetCrasAudioInputDevices(media::AudioDeviceNames* device_names);