GetActiveOutputDeviceIconId   28 ash/system/chromeos/audio/tray_audio_delegate_chromeos.cc int TrayAudioDelegateChromeOs::GetActiveOutputDeviceIconId() {
GetActiveOutputDeviceIconId   54 ash/system/win/audio/tray_audio_delegate_win.cc int TrayAudioDelegateWin::GetActiveOutputDeviceIconId() {