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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef UI_BASE_PROPERTY_DATA_H_ |
| 6 #define UI_BASE_PROPERTY_DATA_H_ |
| 7 |
| 8 #include "ui/base/ui_base_export.h" |
| 9 |
| 10 namespace ui { |
| 11 |
| 12 // Descendants of ui::PropertyHandler may return a descendant of this class |
| 13 // when overriding BeforePropertyChange(). This instance is then passed to |
| 14 // AfterPropertyChange() in order to preserve and/or communicate data between |
| 15 // those two calls. |
| 16 struct UI_BASE_EXPORT PropertyData { |
| 17 virtual ~PropertyData() {} |
| 18 }; |
| 19 |
| 20 } |
| 21 |
| 22 #endif |
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