cc : Layers with singular transforms and copy request should be drawn

cc/trees/property_tree.h

 // 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 CC_TREES_PROPERTY_TREE_H_
 #define CC_TREES_PROPERTY_TREE_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 360 matching lines @@
   void UpdateEffectChanged(EffectNode* node, EffectNode* parent_node);
 
   void AddCopyRequest(int node_id, std::unique_ptr<CopyOutputRequest> request);
   void PushCopyRequestsTo(EffectTree* other_tree);
   void TakeCopyRequestsAndTransformToSurface(
       int node_id,
       std::vector<std::unique_ptr<CopyOutputRequest>>* requests);
   bool HasCopyRequests() const;
   void ClearCopyRequests();
 
-  int ClosestAncestorWithCopyRequest(int id) const;
-
   // Given the ids of two effect nodes that have render surfaces, returns the
   // id of the lowest common ancestor effect node that also has a render
   // surface.
   int LowestCommonAncestorWithRenderSurface(int id_1, int id_2) const;
 
   void AddMaskLayerId(int id);
   const std::vector<int>& mask_layer_ids() const { return mask_layer_ids_; }
 
   RenderSurfaceImpl* GetRenderSurface(int id) {
     return render_surfaces_[id].get();
@@ skipping 13 matching lines @@
   void TakeRenderSurfaces(
       std::vector<std::unique_ptr<RenderSurfaceImpl>>* render_surfaces);
 
   // Returns true if render surfaces changed (that is, if any render surfaces
   // were created or destroyed).
   bool CreateOrReuseRenderSurfaces(
       std::vector<std::unique_ptr<RenderSurfaceImpl>>* old_render_surfaces,
       LayerTreeImpl* layer_tree_impl);
 
  private:
+  void UpdateClosestAncestorWithCopyRequestId(EffectNode* node,
+                                              EffectNode* parent_node);
   void UpdateOpacities(EffectNode* node, EffectNode* parent_node);
   void UpdateIsDrawn(EffectNode* node, EffectNode* parent_node);
   void UpdateBackfaceVisibility(EffectNode* node, EffectNode* parent_node);
 
   // Stores copy requests, keyed by node id.
   std::unordered_multimap<int, std::unique_ptr<CopyOutputRequest>>
       copy_requests_;
 
   // Unsorted list of all mask layer ids that effect nodes refer to.
   std::vector<int> mask_layer_ids_;
@@ skipping 302 matching lines @@
   DrawTransforms& GetDrawTransforms(int transform_id, int effect_id) const;
   DrawTransformData& FetchDrawTransformsDataFromCache(int transform_id,
                                                       int effect_id) const;
 
   PropertyTreesCachedData cached_data_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_PROPERTY_TREE_H_