WillChangeVisibilityState  625 ash/shelf/shelf_layout_manager.cc                     WillChangeVisibilityState(visibility_state));
WillChangeVisibilityState   26 ash/shelf/shelf_layout_manager_observer.h   virtual void WillChangeVisibilityState(ShelfVisibilityState new_state) {}
WillChangeVisibilityState   88 ash/shelf/shelf_tooltip_manager.h   virtual void WillChangeVisibilityState(
WillChangeVisibilityState  249 ash/shelf/shelf_widget.cc     WillChangeVisibilityState(shelf_->visibility_state());
WillChangeVisibilityState  314 ash/wm/panels/panel_layout_manager.cc     WillChangeVisibilityState(shelf_layout_manager_->visibility_state());
WillChangeVisibilityState  108 ash/wm/panels/panel_layout_manager.h   virtual void WillChangeVisibilityState(