Refactor MutatorHostClient from LayerTreeHost to LayerTree.

cc/trees/property_tree_builder.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/property_tree_builder.h"
 
 #include <stddef.h>
 
 #include <map>
 #include <set>
 
 #include "cc/animation/animation_host.h"
 #include "cc/animation/mutable_properties.h"
 #include "cc/base/math_util.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/trees/clip_node.h"
 #include "cc/trees/draw_property_utils.h"
 #include "cc/trees/effect_node.h"
-#include "cc/trees/layer_tree_host.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "cc/trees/scroll_node.h"
 #include "cc/trees/transform_node.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/vector2d_conversions.h"
 
 namespace cc {
 
-class LayerTreeHost;
-
 namespace {
 
 static const int kInvalidPropertyTreeNodeId = -1;
 static const int kRootPropertyTreeNodeId = 0;
 static const int kViewportClipTreeNodeId = 1;
 
 template <typename LayerType>
 struct DataForRecursion {
   PropertyTrees* property_trees;
   LayerType* transform_tree_parent;
@@ skipping 1386 matching lines @@
           .verify_transform_tree_calculations;
   SkColor color = root_layer->GetLayerTree()->background_color();
   if (SkColorGetA(color) != 255)
     color = SkColorSetA(color, 255);
   BuildPropertyTreesTopLevelInternal(
       root_layer, page_scale_layer, inner_viewport_scroll_layer,
       outer_viewport_scroll_layer, overscroll_elasticity_layer,
       elastic_overscroll, page_scale_factor, device_scale_factor, viewport,
       device_transform, property_trees, color);
 #if DCHECK_IS_ON()
-  for (auto* layer : *root_layer->layer_tree_host())
+  for (auto* layer : *root_layer->GetLayerTree())
     CheckScrollAndClipPointersForLayer(layer);
 #endif
   property_trees->ResetCachedData();
 }
 
 void PropertyTreeBuilder::BuildPropertyTrees(
     LayerImpl* root_layer,
     const LayerImpl* page_scale_layer,
     const LayerImpl* inner_viewport_scroll_layer,
     const LayerImpl* outer_viewport_scroll_layer,
@@ skipping 15 matching lines @@
     color = SkColorSetA(color, 255);
   BuildPropertyTreesTopLevelInternal(
       root_layer, page_scale_layer, inner_viewport_scroll_layer,
       outer_viewport_scroll_layer, overscroll_elasticity_layer,
       elastic_overscroll, page_scale_factor, device_scale_factor, viewport,
       device_transform, property_trees, color);
   property_trees->ResetCachedData();
 }
 
 }  // namespace cc