RemoveByID        785 ash/shelf/shelf_view_unittest.cc       RemoveByID(added);
RemoveByID        795 ash/shelf/shelf_view_unittest.cc   RemoveByID(panel);
RemoveByID        825 ash/shelf/shelf_view_unittest.cc   RemoveByID(panel);
RemoveByID        895 ash/shelf/shelf_view_unittest.cc   RemoveByID(first_added);
RemoveByID        918 ash/shelf/shelf_view_unittest.cc   RemoveByID(last_added);
RemoveByID       1288 ash/shelf/shelf_view_unittest.cc   RemoveByID(app_button_id);