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- // Copyright 2019 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_GL_VSYNC_OBSERVER_H_
- #define UI_GL_VSYNC_OBSERVER_H_
- #include "base/time/time.h"
- namespace gl {
- class GL_EXPORT VSyncObserver {
- public:
- // Called on vsync thread.
- virtual void OnVSync(base::TimeTicks vsync_time,
- base::TimeDelta interval) = 0;
- protected:
- virtual ~VSyncObserver() {}
- };
- } // namespace gl
- #endif // UI_GL_VSYNC_OBSERVER_H_
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