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

cc/trees/draw_property_utils.cc

 // 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.
 
 #include "cc/trees/draw_property_utils.h"
 
 #include <stddef.h>
 
 #include <vector>
 
@@ skipping 644 matching lines @@
       effect_tree.Node(effect_node->target_id);
   property_trees->GetToTarget(transform_node->id, target_effect_node->id,
                               &render_surface_transform);
 
   ConcatInverseSurfaceContentsScale(effect_node, &render_surface_transform);
   render_surface->SetDrawTransform(render_surface_transform);
 }
 
 static gfx::Rect LayerVisibleRect(PropertyTrees* property_trees,
                                   LayerImpl* layer) {
+  const EffectNode* effect_node =
+      property_trees->effect_tree.Node(layer->effect_tree_index());
   int effect_ancestor_with_copy_request =
-      property_trees->effect_tree.ClosestAncestorWithCopyRequest(
-          layer->effect_tree_index());
+      effect_node->closest_ancestor_with_copy_request_id;
   bool non_root_copy_request =
       effect_ancestor_with_copy_request > EffectTree::kContentsRootNodeId;
   gfx::Rect layer_content_rect = gfx::Rect(layer->bounds());
   gfx::RectF accumulated_clip_in_root_space;
   if (non_root_copy_request) {
     bool include_expanding_clips = true;
     ConditionalClip accumulated_clip = ComputeAccumulatedClip(
         property_trees, include_expanding_clips, layer->clip_tree_index(),
         effect_ancestor_with_copy_request);
     if (!accumulated_clip.is_clipped)
@@ skipping 411 matching lines @@
 void UpdateElasticOverscroll(PropertyTrees* property_trees,
                              const Layer* overscroll_elasticity_layer,
                              const gfx::Vector2dF& elastic_overscroll) {
   UpdateElasticOverscrollInternal(property_trees, overscroll_elasticity_layer,
                                   elastic_overscroll);
 }
 
 }  // namespace draw_property_utils
 
 }  // namespace cc