cc: Remove map lookup from RenderSurfaceImpl::EffectTreeIndex

cc/trees/layer_tree_impl.cc

 // 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.
 
 #include "cc/trees/layer_tree_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 361 matching lines @@
       gfx::SizeF bounds = gfx::SizeF(layer->bounds());
       if (clip_node->clip.size() != bounds) {
         clip_node->clip.set_size(bounds);
         clip_tree->set_needs_update(true);
       }
     }
   }
 }
 
 void LayerTreeImpl::SetPropertyTrees(PropertyTrees* property_trees) {
+  EffectTree::StableIdRenderSurfaceList stable_id_render_surface_list =
+      property_trees_.effect_tree.CreateStableIdRenderSurfaceList();
   property_trees_ = *property_trees;
+  property_trees_.effect_tree.UpdateRenderSurfaceEffectIds(
+      stable_id_render_surface_list, this);
   property_trees->effect_tree.PushCopyRequestsTo(&property_trees_.effect_tree);
   property_trees_.is_main_thread = false;
   property_trees_.is_active = IsActiveTree();
   property_trees_.transform_tree.set_source_to_parent_updates_allowed(false);
   // The value of some effect node properties (like is_drawn) depends on
   // whether we are on the active tree or not. So, we need to update the
   // effect tree.
   if (IsActiveTree())
     property_trees_.effect_tree.set_needs_update(true);
 }
@@ skipping 1687 matching lines @@
 
 void LayerTreeImpl::ResetAllChangeTracking() {
   layers_that_should_push_properties_.clear();
   // Iterate over all layers, including masks.
   for (auto& layer : *layers_)
     layer->ResetChangeTracking();
   property_trees_.ResetAllChangeTracking();
 }
 
 }  // namespace cc