SetOutputAudioIsMuted   56 ash/system/chromeos/audio/tray_audio_delegate_chromeos.cc void TrayAudioDelegateChromeOs::SetOutputAudioIsMuted(bool is_muted) {
SetOutputAudioIsMuted   76 ash/system/win/audio/tray_audio_delegate_win.cc void TrayAudioDelegateWin::SetOutputAudioIsMuted(bool is_muted) {