root/ui/compositor/layer_tree_owner.h

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INCLUDED FROM

// 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_LAYER_TREE_OWNER_H_
#define UI_COMPOSITOR_LAYER_TREE_OWNER_H_

#include "base/basictypes.h"
#include "ui/compositor/compositor_export.h"

namespace ui {

class Layer;

// Scoping object that owns a Layer and all its descendants.
class COMPOSITOR_EXPORT LayerTreeOwner {
 public:
  explicit LayerTreeOwner(Layer* root);
  ~LayerTreeOwner();

  Layer* root() { return root_; }
  const Layer* root() const { return root_; }

 private:
  Layer* root_;

  DISALLOW_COPY_AND_ASSIGN(LayerTreeOwner);
};

}  // namespace

#endif  // UI_COMPOSITOR_LAYER_TREE_OWNER_H_
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