OnSystemClockTimeUpdated   17 ash/system/date/clock_observer.h   virtual void OnSystemClockTimeUpdated() = 0;
OnSystemClockTimeUpdated   57 ash/system/date/tray_date.h   virtual void OnSystemClockTimeUpdated() OVERRIDE;
OnSystemClockTimeUpdated  260 ash/system/tray/system_tray_notifier.cc                     OnSystemClockTimeUpdated());