Remove owning_id from EffectNode and replace it by an opaque stable_id

cc/layers/render_surface_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/layers/render_surface_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 144 matching lines @@
 
 int RenderSurfaceImpl::TransformTreeIndex() const {
   return OwningEffectNode()->transform_id;
 }
 
 int RenderSurfaceImpl::ClipTreeIndex() const {
   return OwningEffectNode()->clip_id;
 }
 
 int RenderSurfaceImpl::EffectTreeIndex() const {
-  DCHECK_EQ(
-      effect_tree_index_,
-      layer_tree_impl_->property_trees()
-          ->effect_tree.FindNodeIndexFromOwningLayerId(stable_effect_id_));
   return effect_tree_index_;
 }
 
 const EffectNode* RenderSurfaceImpl::OwningEffectNode() const {
   return layer_tree_impl_->property_trees()->effect_tree.Node(
       EffectTreeIndex());
 }
 
 void RenderSurfaceImpl::SetClipRect(const gfx::Rect& clip_rect) {
   if (clip_rect == draw_properties_.clip_rect)
@@ skipping 363 matching lines @@
         NOTIMPLEMENTED();
         break;
       default:
         NOTREACHED();
         break;
     }
   }
 }
 
 }  // namespace cc