Making AudioManagerBase::ShutdownOnAudioThread() platform-agnostic

media/audio/win/audio_manager_win.h

 // Copyright (c) 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_WIN_AUDIO_MANAGER_WIN_H_
 #define MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 38 matching lines @@
       const AudioParameters& params,
       const std::string& device_id,
       const LogCallback& log_callback) override;
   AudioInputStream* MakeLowLatencyInputStream(
       const AudioParameters& params,
       const std::string& device_id,
       const LogCallback& log_callback) override;
   std::string GetDefaultOutputDeviceID() override;
 
  protected:
-  void ShutdownOnAudioThread() override;
+  void ShutdownOnAudioThread(bool immediately) override;
   AudioParameters GetPreferredOutputStreamParameters(
       const std::string& output_device_id,
       const AudioParameters& input_params) override;
 
  private:
   // Allow unit test to modify the utilized enumeration API.
   friend class AudioManagerTest;
 
   // Helper methods for performing expensive initialization tasks on the audio
   // thread instead of on the UI thread which AudioManager is constructed on.
   void InitializeOnAudioThread();
 
   void GetAudioDeviceNamesImpl(bool input, AudioDeviceNames* device_names);
 
   // Listen for output device changes.
   std::unique_ptr<AudioDeviceListenerWin> output_device_listener_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioManagerWin);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_