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// Copyright 2014 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_COMPOSITOR_COMPOSITOR_ANIMATION_OBSERVER_H_
#define UI_COMPOSITOR_COMPOSITOR_ANIMATION_OBSERVER_H_
#include "base/time/time.h"
#include "ui/compositor/compositor_export.h"
namespace ui {
class COMPOSITOR_EXPORT CompositorAnimationObserver {
public:
virtual ~CompositorAnimationObserver() {}
virtual void OnAnimationStep(base::TimeTicks timestamp) = 0;
};
} // namespace ui
#endif // UI_COMPOSITOR_COMPOSITOR_ANIMATION_OBSERVER_H_