DragMaximizedNonTrackedWindowObserver 1218 ash/wm/workspace_controller_unittest.cc DragMaximizedNonTrackedWindowObserver(aura::Window* window) DragMaximizedNonTrackedWindowObserver 1248 ash/wm/workspace_controller_unittest.cc DISALLOW_COPY_AND_ASSIGN(DragMaximizedNonTrackedWindowObserver);