AddAudioObserver   50 ash/system/audio/tray_audio.cc   Shell::GetInstance()->system_tray_notifier()->AddAudioObserver(this);
AddAudioObserver   50 ash/system/tray/system_tray_notifier.h   void AddAudioObserver(AudioObserver* observer);
AddAudioObserver  328 chrome/browser/chromeos/login/login_display_host_impl.cc   CrasAudioHandler::Get()->AddAudioObserver(this);
AddAudioObserver   90 chrome/browser/extensions/api/audio/audio_service_chromeos.cc       cras_audio_handler_->AddAudioObserver(this);
AddAudioObserver 2134 chrome/browser/policy/policy_browsertest.cc   audio_handler->AddAudioObserver(test_observer.get());
AddAudioObserver  302 chrome/browser/ui/ash/system_tray_delegate_chromeos.cc     CrasAudioHandler::Get()->AddAudioObserver(this);
AddAudioObserver   39 chrome/browser/ui/ash/volume_controller_chromeos.cc   CrasAudioHandler::Get()->AddAudioObserver(this);
AddAudioObserver   82 chromeos/audio/cras_audio_handler.h   virtual void AddAudioObserver(AudioObserver* observer);
AddAudioObserver  252 chromeos/audio/cras_audio_handler_unittest.cc     cras_audio_handler_->AddAudioObserver(test_observer_.get());