cc: Commit property trees to the compositor thread

cc/trees/layer_tree_host.cc

Index: cc/trees/layer_tree_host.cc
diff --git a/cc/trees/layer_tree_host.cc b/cc/trees/layer_tree_host.cc
index ac473ab3a3fed9140ad40f6c2163cd23597be002..5f431e26d5fdfc2d72c6b0c42780ca576bc30f88 100644
--- a/cc/trees/layer_tree_host.cc
+++ b/cc/trees/layer_tree_host.cc
@@ -365,6 +365,7 @@ void LayerTreeHost::FinishCommitOnImplThread(LayerTreeHostImpl* host_impl) {
   }
 
   sync_tree->set_has_ever_been_drawn(false);
+  sync_tree->SetPropertyTrees(property_trees_);
 
   {
     TRACE_EVENT0("cc", "LayerTreeHost::PushProperties");
@@ -798,7 +799,6 @@ bool LayerTreeHost::UpdateLayers(Layer* root_layer,
     // 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,
@@ -808,7 +808,7 @@ bool LayerTreeHost::UpdateLayers(Layer* root_layer,
         can_render_to_separate_surface,
         settings_.layer_transforms_should_scale_layer_contents,
         settings_.verify_property_trees, &update_list,
-        render_surface_layer_list_id, &property_trees);
+        render_surface_layer_list_id, &property_trees_);
     LayerTreeHostCommon::CalculateDrawProperties(&inputs);
   }