WillDeleteShelf   222 ash/shelf/shelf_layout_manager.cc   FOR_EACH_OBSERVER(ShelfLayoutManagerObserver, observers_, WillDeleteShelf());
WillDeleteShelf    23 ash/shelf/shelf_layout_manager_observer.h   virtual void WillDeleteShelf() {}
WillDeleteShelf    87 ash/shelf/shelf_tooltip_manager.h   virtual void WillDeleteShelf() OVERRIDE;
WillDeleteShelf    94 ash/shelf/shelf_widget.h   virtual void WillDeleteShelf() OVERRIDE;