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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/compositor/layer_tree_owner.h" | 5 #include "ui/compositor/layer_tree_owner.h" |
6 | 6 |
7 #include "ui/compositor/layer.h" | 7 #include "ui/compositor/layer.h" |
8 | 8 |
9 namespace ui { | 9 namespace ui { |
10 | 10 |
11 namespace { | 11 namespace { |
12 | 12 |
13 // Deletes |layer| and all its descendants. | 13 // Deletes |layer| and all its descendants. |
14 void DeepDeleteLayers(Layer* layer) { | 14 void DeepDeleteLayers(Layer* layer) { |
15 std::vector<Layer*> children = layer->children(); | 15 std::vector<Layer*> children = layer->children(); |
16 for (std::vector<Layer*>::const_iterator it = children.begin(); | 16 for (std::vector<Layer*>::const_iterator it = children.begin(); |
17 it != children.end(); | 17 it != children.end(); |
18 ++it) { | 18 ++it) { |
19 Layer* child = *it; | 19 Layer* child = *it; |
20 DeepDeleteLayers(child); | 20 DeepDeleteLayers(child); |
21 } | 21 } |
22 delete layer; | 22 delete layer; |
23 } | 23 } |
24 | 24 |
25 } // namespace | 25 } // namespace |
26 | 26 |
27 LayerTreeOwner::LayerTreeOwner(Layer* root) : root_(root) {} | 27 LayerTreeOwner::LayerTreeOwner(std::unique_ptr<Layer> root) |
| 28 : root_(root.release()) {} |
28 | 29 |
29 LayerTreeOwner::~LayerTreeOwner() { | 30 LayerTreeOwner::~LayerTreeOwner() { |
30 if (root_) | 31 if (root_) |
31 DeepDeleteLayers(root_); | 32 DeepDeleteLayers(root_); |
32 } | 33 } |
33 | 34 |
34 } // namespace ui | 35 } // namespace ui |
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