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| 1 // Copyright 2014 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 CHROMEOS_DISPLAY_NATIVE_DISPLAY_OBSERVER_H_ | |
| 6 #define CHROMEOS_DISPLAY_NATIVE_DISPLAY_OBSERVER_H_ | |
| 7 | |
| 8 namespace chromeos { | |
| 9 | |
| 10 // Observer class used by NativeDisplayDelegate to announce when the display | |
| 11 // configuration changes. | |
| 12 class NativeDisplayObserver { | |
| 13 public: | |
| 14 virtual ~NativeDisplayObserver() {} | |
| 15 | |
| 16 virtual void OnConfigurationChanged() = 0; | |
| 17 }; | |
| 18 | |
| 19 } // namespace chromeos | |
| 20 | |
| 21 #endif // CHROMEOS_DISPLAY_NATIVE_DISPLAY_OBSERVER_H_ | |
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