cc : Use effect tree to determine if a layer is inside copy request

cc/layers/layer_impl.cc

Index: cc/layers/layer_impl.cc
diff --git a/cc/layers/layer_impl.cc b/cc/layers/layer_impl.cc
index dfd03649b9473dd62d7f8a481a62ea5ac9d4d84c..2fea907c93b99afd7fdd9ad2bf06a5293da1728a 100644
--- a/cc/layers/layer_impl.cc
+++ b/cc/layers/layer_impl.cc
@@ -292,9 +292,12 @@ void LayerImpl::TakeCopyRequestsAndTransformToTarget(
   layer_tree_impl()->set_needs_update_draw_properties();
 }
 
-bool LayerImpl::AnchestorHasCopyRequest() const {
-  for (const LayerImpl* layer = this; layer; layer = layer->parent()) {
-    if (layer->HasCopyRequest())
+bool LayerImpl::InsideCopyRequest() const {
+  EffectTree& effect_tree = layer_tree_impl()->property_trees()->effect_tree;
+  EffectNode* node = effect_tree.Node(effect_tree_index_);
+
+  for (; node; node = effect_tree.parent(node)) {
+    if (node->data.has_copy_request)
       return true;
   }
   return false;