OnWillDestroyEnv 40 ui/aura/env.cc FOR_EACH_OBSERVER(EnvObserver, observers_, OnWillDestroyEnv()); OnWillDestroyEnv 27 ui/aura/env_observer.h virtual void OnWillDestroyEnv() {} OnWillDestroyEnv 50 ui/views/widget/desktop_aura/x11_desktop_handler.h virtual void OnWillDestroyEnv() OVERRIDE;