cc: Plumbing for storing property trees

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 <algorithm>
 #include <stack>
 #include <string>
 
@@ skipping 778 matching lines @@
       hud_layer_->PrepareForCalculateDrawProperties(
           device_viewport_size(), device_scale_factor_);
     }
 
     TRACE_EVENT0("cc", "LayerTreeHost::UpdateLayers::CalcDrawProps");
     bool can_render_to_separate_surface = true;
     // TODO(vmpstr): Passing 0 as the current render surface layer list id means
     // that we won't be able to detect if a layer is part of |update_list|.
     // Change this if this information is required.
     int render_surface_layer_list_id = 0;
+    PropertyTrees property_trees;
     LayerTreeHostCommon::CalcDrawPropsMainInputs inputs(
         root_layer, device_viewport_size(), gfx::Transform(),
         device_scale_factor_, page_scale_factor_, page_scale_layer,
         elastic_overscroll_, overscroll_elasticity_layer_.get(),
         GetRendererCapabilities().max_texture_size, settings_.can_use_lcd_text,
         settings_.layers_always_allowed_lcd_text,
         can_render_to_separate_surface,
         settings_.layer_transforms_should_scale_layer_contents,
         settings_.verify_property_trees, &update_list,
-        render_surface_layer_list_id);
+        render_surface_layer_list_id, &property_trees);
     LayerTreeHostCommon::CalculateDrawProperties(&inputs);
   }
 
   // Reset partial texture update requests.
   partial_texture_update_requests_ = 0;
 
   bool did_paint_content = false;
   bool need_more_updates = false;
   PaintLayerContents(
       update_list, queue, &did_paint_content, &need_more_updates);
@@ skipping 453 matching lines @@
     const BeginFrameArgs& args) const {
   client_->SendBeginFramesToChildren(args);
 }
 
 void LayerTreeHost::SetAuthoritativeVSyncInterval(
     const base::TimeDelta& interval) {
   proxy_->SetAuthoritativeVSyncInterval(interval);
 }
 
 }  // namespace cc