// Copyright 2017 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef UI_BASE_PROPERTY_DATA_H_ #define UI_BASE_PROPERTY_DATA_H_ #include "ui/base/ui_base_export.h" namespace ui { // Descendants of ui::PropertyHandler may return a descendant of this class // when overriding BeforePropertyChange(). This instance is then passed to // AfterPropertyChange() in order to preserve and/or communicate data between // those two calls. struct UI_BASE_EXPORT PropertyData { virtual ~PropertyData() {} }; } #endif