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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 UI_OZONE_PLATFORM_DRI_CHANNEL_OBSERVER_H_ | |
| 6 #define UI_OZONE_PLATFORM_DRI_CHANNEL_OBSERVER_H_ | |
| 7 | |
| 8 namespace ui { | |
| 9 | |
| 10 // Observes the channel state. | |
| 11 class ChannelObserver { | |
| 12 public: | |
| 13 virtual ~ChannelObserver() {} | |
| 14 | |
| 15 virtual void OnChannelEstablished() = 0; | |
| 16 virtual void OnChannelDestroyed() = 0; | |
| 17 }; | |
| 18 | |
| 19 } // namespace ui | |
| 20 | |
| 21 #endif // UI_OZONE_PLATFORM_DRI_CHANNEL_OBSERVER_H_ | |
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