Transfer LayerImpl ownership to LayerTreeImpl

cc/trees/layer_tree_host_common.h

 // Copyright 2011 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 CC_TREES_LAYER_TREE_HOST_COMMON_H_
 #define CC_TREES_LAYER_TREE_HOST_COMMON_H_
 
 #include <stddef.h>
 
 #include <limits>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "cc/base/cc_export.h"
-#include "cc/layers/layer_lists.h"
+#include "cc/layers/layer_collections.h"
 #include "cc/trees/property_tree.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/vector2d.h"
 #include "ui/gfx/transform.h"
 
 namespace cc {
 
 namespace proto {
 class ScrollUpdateInfo;
 class ScrollAndScaleSet;
@@ skipping 110 matching lines @@
 
   // Returns a layer with the given id if one exists in the subtree starting
   // from the given root layer (including mask and replica layers).
   template <typename LayerType>
   static LayerType* FindLayerInSubtree(LayerType* root_layer, int layer_id);
 
   static Layer* get_layer_as_raw_ptr(const LayerList& layers, size_t index) {
     return layers[index].get();
   }
 
-  static LayerImpl* get_layer_as_raw_ptr(const OwnedLayerImplList& layers,
-                                         size_t index) {
-    return layers[index].get();
-  }
-
   static LayerImpl* get_layer_as_raw_ptr(const LayerImplList& layers,
                                          size_t index) {
     return layers[index];
   }
 
   struct CC_EXPORT ScrollUpdateInfo {
     int layer_id;
     // TODO(miletus): Use ScrollOffset once LayerTreeHost/Blink fully supports
     // franctional scroll offset.
     gfx::Vector2d scroll_delta;
@@ skipping 82 matching lines @@
                            function);
   }
 }
 
 CC_EXPORT PropertyTrees* GetPropertyTrees(Layer* layer);
 CC_EXPORT PropertyTrees* GetPropertyTrees(LayerImpl* layer);
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_COMMON_H_