// 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_VIEWS_WIDGET_WIDGET_OBSERVER_H_ #define UI_VIEWS_WIDGET_WIDGET_OBSERVER_H_ #include "base/observer_list_types.h" #include "ui/views/views_export.h" namespace gfx { class Rect; } namespace views { class Widget; // Observers can listen to various events on the Widgets. class VIEWS_EXPORT WidgetObserver : public base::CheckedObserver { … }; } // namespace views #endif // UI_VIEWS_WIDGET_WIDGET_OBSERVER_H_