Index: ui/base/property_data.h |
diff --git a/ui/base/property_data.h b/ui/base/property_data.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..354b105ee8325cbe8c1aa95a1f7b56d584d5b118 |
--- /dev/null |
+++ b/ui/base/property_data.h |
@@ -0,0 +1,22 @@ |
+// 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 |
sky
2017/01/24 22:36:13
Generally we use () in documentation when referrin
|
+// AfterPropertyChange in order to preserve and/or communicate data between |
+// those two calls. |
+struct UI_BASE_EXPORT PropertyData { |
+ virtual ~PropertyData() {} |
+}; |
+ |
+} |
+ |
+#endif |