OnSessionStartTimeChanged   18 ash/system/chromeos/session/session_length_limit_observer.h   virtual void OnSessionStartTimeChanged() = 0;
OnSessionStartTimeChanged   45 ash/system/chromeos/session/tray_session_length_limit.h   virtual void OnSessionStartTimeChanged() OVERRIDE;
OnSessionStartTimeChanged  324 ash/system/tray/system_tray_notifier.cc                     OnSessionStartTimeChanged());