Moved AudioUtil static functions to AudioManager interfaces

media/audio/ios/audio_manager_ios.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_AUDIO_IOS_AUDIO_MANAGER_IOS_H_
 #define MEDIA_AUDIO_IOS_AUDIO_MANAGER_IOS_H_
 
 #include "base/basictypes.h"
 #include "media/audio/audio_manager_base.h"
 
 namespace media {
 
 class PCMQueueInAudioInputStream;
 class PCMQueueOutAudioOutputStream;
 
 // iOS implementation of the AudioManager singleton. Supports only audio input.
 class MEDIA_EXPORT AudioManagerIOS : public AudioManagerBase {
  public:
   AudioManagerIOS();
 
   // Implementation of AudioManager.
   virtual bool HasAudioOutputDevices() OVERRIDE;
   virtual bool HasAudioInputDevices() OVERRIDE;
   virtual AudioOutputStream* MakeAudioOutputStream(
       const AudioParameters& params) OVERRIDE;
   virtual AudioInputStream* MakeAudioInputStream(
       const AudioParameters& params, const std::string& device_id) OVERRIDE;
+  virtual AudioParameters GetInputStreamParameters(
+      const std::string& device_id) OVERRIDE;
 
   // Implementation of AudioManagerBase.
   virtual AudioOutputStream* MakeLinearOutputStream(
       const AudioParameters& params) OVERRIDE;
   virtual AudioOutputStream* MakeLowLatencyOutputStream(
       const AudioParameters& params) OVERRIDE;
   virtual AudioInputStream* MakeLinearInputStream(
       const AudioParameters& params, const std::string& device_id) OVERRIDE;
   virtual AudioInputStream* MakeLowLatencyInputStream(
       const AudioParameters& params, const std::string& device_id) OVERRIDE;
   virtual void ReleaseOutputStream(AudioOutputStream* stream) OVERRIDE;
   virtual void ReleaseInputStream(AudioInputStream* stream) OVERRIDE;
 
  protected:
   virtual ~AudioManagerIOS();
 
+  virtual AudioParameters GetPreferredOutputStreamParameters(
+      const AudioParameters& input_params) OVERRIDE;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(AudioManagerIOS);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_IOS_AUDIO_MANAGER_IOS_H_