Move some generic functions to AudioManagerBase to be inherited by platform-specific AudioManager***

media/audio/android/audio_manager_android.h

 // Copyright (c) 2011 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_ANDROID_AUDIO_MANAGER_ANDROID_H_
 #define MEDIA_AUDIO_ANDROID_AUDIO_MANAGER_ANDROID_H_
 
 #include "media/audio/audio_manager_base.h"
 
 // Android implemention of AudioManager.
 class AudioManagerAndroid : public AudioManagerBase {
  public:
   AudioManagerAndroid();
 
   // 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 void MuteAll() OVERRIDE;
   virtual void UnMuteAll() OVERRIDE;
 
+  // Implementation of AudioManagerBase.
+  virtual int GetMaxOutputStreamsAllowed() OVERRIDE;
+  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;
+
  protected:
   virtual ~AudioManagerAndroid();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AudioManagerAndroid);
 };
 
 #endif  // MEDIA_AUDIO_ANDROID_AUDIO_MANAGER_ANDROID_H_