CrossFadeObserver  273 ash/wm/window_animations.cc   CrossFadeObserver(aura::Window* window,
CrossFadeObserver  321 ash/wm/window_animations.cc   DISALLOW_COPY_AND_ASSIGN(CrossFadeObserver);
CrossFadeObserver  344 ash/wm/window_animations.cc     settings.AddObserver(new CrossFadeObserver(window, old_layer_owner.Pass()));