AddOutputDeviceChangeListener  144 media/audio/audio_manager.h   virtual void AddOutputDeviceChangeListener(AudioDeviceListener* listener) = 0;
AddOutputDeviceChangeListener  100 media/audio/audio_manager_base.h   virtual void AddOutputDeviceChangeListener(
AddOutputDeviceChangeListener  155 media/audio/audio_output_controller.cc     audio_manager_->AddOutputDeviceChangeListener(this);
AddOutputDeviceChangeListener   57 media/audio/mock_audio_manager.h   virtual void AddOutputDeviceChangeListener(