// Copyright 2012 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef UI_AURA_WINDOW_OBSERVER_H_ #define UI_AURA_WINDOW_OBSERVER_H_ #include "base/memory/raw_ptr.h" #include "base/observer_list_types.h" #include "ui/aura/aura_export.h" #include "ui/compositor/property_change_reason.h" namespace gfx { class Rect; class Transform; } // namespace gfx namespace aura { class Window; class AURA_EXPORT WindowObserver : public base::CheckedObserver { … }; } // namespace aura #endif // UI_AURA_WINDOW_OBSERVER_H_