UPDATE_HIGH_ORANGE   50 ash/system/tray_update.cc     case ash::UpdateObserver::UPDATE_HIGH_ORANGE:
UPDATE_HIGH_ORANGE 1172 chrome/browser/ui/ash/system_tray_delegate_chromeos.cc           severity = ash::UpdateObserver::UPDATE_HIGH_ORANGE;
UPDATE_HIGH_ORANGE  322 chrome/browser/ui/ash/system_tray_delegate_win.cc           severity = ash::UpdateObserver::UPDATE_HIGH_ORANGE;