cc: Merge LayerTree into the LayerTreeHost.

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>
 
 #include "cc/base/math_util.h"
 #include "cc/layers/draw_properties.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/trees/clip_node.h"
 #include "cc/trees/effect_node.h"
-#include "cc/trees/layer_tree.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "cc/trees/property_tree.h"
 #include "cc/trees/property_tree_builder.h"
 #include "cc/trees/transform_node.h"
 #include "ui/gfx/geometry/rect_conversions.h"
 
 namespace cc {
 
 namespace draw_property_utils {
 
@@ skipping 730 matching lines @@
                           const EffectTree& effect_tree) {
   return LayerShouldBeSkippedInternal(layer, transform_tree, effect_tree);
 }
 
 bool LayerShouldBeSkipped(Layer* layer,
                           const TransformTree& transform_tree,
                           const EffectTree& effect_tree) {
   return LayerShouldBeSkippedInternal(layer, transform_tree, effect_tree);
 }
 
-void FindLayersThatNeedUpdates(LayerTree* layer_tree,
+void FindLayersThatNeedUpdates(LayerTreeHost* layer_tree_host,
                                const PropertyTrees* property_trees,
                                LayerList* update_layer_list) {
   const TransformTree& transform_tree = property_trees->transform_tree;
   const EffectTree& effect_tree = property_trees->effect_tree;
-  for (auto* layer : *layer_tree) {
+  for (auto* layer : *layer_tree_host) {
     if (!IsRootLayer(layer) &&
         LayerShouldBeSkipped(layer, transform_tree, effect_tree))
       continue;
 
     bool layer_is_drawn =
         effect_tree.Node(layer->effect_tree_index())->is_drawn;
 
     if (LayerNeedsUpdate(layer, layer_is_drawn, property_trees)) {
       update_layer_list->push_back(layer);
     }
@@ skipping 776 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