cc: Remove usage of ComputeVisibleRects on main thread

cc/layers/layer.cc

 // Copyright 2010 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/layer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 967 matching lines @@
 
 int Layer::effect_tree_index() const {
   if (!layer_tree_host_ ||
       layer_tree_host_->property_trees()->sequence_number !=
           property_tree_sequence_number_) {
     return EffectTree::kInvalidNodeId;
   }
   return effect_tree_index_;
 }
 
-int Layer::render_target_effect_tree_index() const {
-  EffectNode* effect_node =
-      layer_tree_host_->property_trees()->effect_tree.Node(effect_tree_index_);
-  if (effect_node->has_render_surface)
-    return effect_node->id;
-  else
-    return effect_node->target_id;
-}
-
 void Layer::SetScrollTreeIndex(int index) {
   DCHECK(IsPropertyChangeAllowed());
   if (scroll_tree_index_ == index)
     return;
   scroll_tree_index_ = index;
   SetNeedsPushProperties();
 }
 
 int Layer::scroll_tree_index() const {
   if (!layer_tree_host_ ||
@@ skipping 884 matching lines @@
   DCHECK_NE(transform_tree_index_, TransformTree::kInvalidNodeId);
   return draw_property_utils::ScreenSpaceTransform(
       this, layer_tree_host_->property_trees()->transform_tree);
 }
 
 LayerTree* Layer::GetLayerTree() const {
   return layer_tree_;
 }
 
 }  // namespace cc