AnimateBackgroundHidingIfNecessary  521 ash/wm/lock_state_controller.cc   AnimateBackgroundHidingIfNecessary(
AnimateBackgroundHidingIfNecessary  576 ash/wm/lock_state_controller.cc   AnimateBackgroundHidingIfNecessary(
AnimateBackgroundHidingIfNecessary  272 ash/wm/lock_state_controller.h   void AnimateBackgroundHidingIfNecessary(