DontClobberRestoreBoundsWindowObserver 318 ash/wm/workspace/workspace_layout_manager_unittest.cc DISALLOW_COPY_AND_ASSIGN(DontClobberRestoreBoundsWindowObserver); DontClobberRestoreBoundsWindowObserver 325 ash/wm/workspace/workspace_layout_manager_unittest.cc DontClobberRestoreBoundsWindowObserver window_observer;