cc: Make LayerTreeHost a protected Layer member.

cc/trees/layer_tree_host.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_host.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 739 matching lines @@
                           content_is_suitable_for_gpu_rasterization_);
     // Record how many pages actually get gpu rasterization when enabled.
     UMA_HISTOGRAM_BOOLEAN("Renderer4.GpuRasterizationUsed",
                           (has_gpu_rasterization_trigger_ &&
                            content_is_suitable_for_gpu_rasterization_));
   }
 
   gpu_rasterization_histogram_recorded_ = true;
 }
 
-void LayerTreeHost::BuildPropertyTreesForTesting() {
-  PropertyTreeBuilder::PreCalculateMetaInformation(layer_tree_->root_layer());
-  gfx::Transform identity_transform;
-  PropertyTreeBuilder::BuildPropertyTrees(
-      layer_tree_->root_layer(), layer_tree_->page_scale_layer(),
-      layer_tree_->inner_viewport_scroll_layer(),
-      layer_tree_->outer_viewport_scroll_layer(),
-      layer_tree_->overscroll_elasticity_layer(),
-      layer_tree_->elastic_overscroll(), layer_tree_->page_scale_factor(),
-      layer_tree_->device_scale_factor(),
-      gfx::Rect(layer_tree_->device_viewport_size()), identity_transform,
-      layer_tree_->property_trees());
-}
-
 bool LayerTreeHost::DoUpdateLayers(Layer* root_layer) {
   TRACE_EVENT1("cc", "LayerTreeHost::DoUpdateLayers", "source_frame_number",
                SourceFrameNumber());
 
   layer_tree_->UpdateHudLayer(debug_state_.ShowHudInfo());
   UpdateHudLayer();
 
   Layer* root_scroll =
       PropertyTreeBuilder::FindFirstScrollableLayer(root_layer);
   Layer* page_scale_layer = layer_tree_->page_scale_layer();
@@ skipping 263 matching lines @@
 
   debug_state_.FromProtobuf(proto.debug_state());
   has_gpu_rasterization_trigger_ = proto.has_gpu_rasterization_trigger();
   content_is_suitable_for_gpu_rasterization_ =
       proto.content_is_suitable_for_gpu_rasterization();
   id_ = proto.id();
   next_commit_forces_redraw_ = proto.next_commit_forces_redraw();
 }
 
 }  // namespace cc