Update from https://crrev.com/308996

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 855 matching lines @@
     // 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;
     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, &update_list,
+        settings_.layer_transforms_should_scale_layer_contents,
+        settings_.verify_property_trees, &update_list,
         render_surface_layer_list_id);
     LayerTreeHostCommon::CalculateDrawProperties(&inputs);
 
     if (total_frames_used_for_lcd_text_metrics_ <=
         kTotalFramesToUseForLCDTextMetrics) {
       LayerTreeHostCommon::CallFunctionForSubtree(
           root_layer,
           base::Bind(&LayerTreeHost::CalculateLCDTextMetricsCallback,
                      base::Unretained(this)));
       total_frames_used_for_lcd_text_metrics_++;
@@ skipping 495 matching lines @@
     bool children_need_begin_frames) const {
   proxy_->SetChildrenNeedBeginFrames(children_need_begin_frames);
 }
 
 void LayerTreeHost::SendBeginFramesToChildren(
     const BeginFrameArgs& args) const {
   client_->SendBeginFramesToChildren(args);
 }
 
 }  // namespace cc