DestroyedWindowObserver  535 ash/root_window_controller_unittest.cc   DestroyedWindowObserver() : destroyed_(false), window_(NULL) {}
DestroyedWindowObserver  564 ash/root_window_controller_unittest.cc   DISALLOW_COPY_AND_ASSIGN(DestroyedWindowObserver);
DestroyedWindowObserver  569 ash/root_window_controller_unittest.cc   DestroyedWindowObserver observer1;
DestroyedWindowObserver  579 ash/root_window_controller_unittest.cc   DestroyedWindowObserver observer2;