OnLockButtonEvent 1127 ash/accelerators/accelerator_controller.cc           OnLockButtonEvent(action == LOCK_PRESSED, base::TimeTicks());
OnLockButtonEvent  355 ash/wm/lock_state_controller_unittest.cc     controller_->OnLockButtonEvent(true, base::TimeTicks::Now());
OnLockButtonEvent  359 ash/wm/lock_state_controller_unittest.cc     controller_->OnLockButtonEvent(false, base::TimeTicks::Now());
OnLockButtonEvent   55 ash/wm/power_button_controller.h   void OnLockButtonEvent(bool down, const base::TimeTicks& timestamp);