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// Copyright 2016 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_LAYER_OBSERVER_H_
#define UI_COMPOSITOR_LAYER_OBSERVER_H_
#include "ui/compositor/compositor_export.h"
namespace ui {
class Layer;
// TODO(domlaskowski): This is only used for layer mirroring, so it should be
// removed and replaced by a private equivalent in the Layer class.
class COMPOSITOR_EXPORT LayerObserver {
public:
virtual void LayerDestroyed(Layer* layer) {}
protected:
virtual ~LayerObserver() {}
};
} // namespace ui
#endif // UI_COMPOSITOR_LAYER_OBSERVER_H_
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