cc: Fix draw transform computation for non-drawn layers

cc/trees/layer_tree_impl.cc

Index: cc/trees/layer_tree_impl.cc
diff --git a/cc/trees/layer_tree_impl.cc b/cc/trees/layer_tree_impl.cc
index 596476081d1b175e64dcaf8246c6b47f83d837ad..757283acaf7781d862d3c3f526f234ba1cd8462c 100644
--- a/cc/trees/layer_tree_impl.cc
+++ b/cc/trees/layer_tree_impl.cc
@@ -721,7 +721,7 @@ bool LayerTreeImpl::UpdateDrawProperties(bool update_lcd_text) {
         Occlusion occlusion =
             inside_replica ? Occlusion()
                            : occlusion_tracker.GetCurrentOcclusionForLayer(
-                                 it->draw_transform());
+                                 it->DrawTransform());
         it->draw_properties().occlusion_in_content_space = occlusion;
       }
 
@@ -741,7 +741,7 @@ bool LayerTreeImpl::UpdateDrawProperties(bool update_lcd_text) {
                   ? Occlusion()
                   : occlusion_tracker.GetCurrentOcclusionForContributingSurface(
                         it->render_surface()->draw_transform() *
-                        it->draw_transform());
+                        it->DrawTransform());
           mask->draw_properties().occlusion_in_content_space = mask_occlusion;
         }
         if (LayerImpl* replica = it->replica_layer()) {
@@ -812,6 +812,10 @@ void LayerTreeImpl::BuildPropertyTreesForTesting() {
       layer_tree_host_impl_->DrawTransform(), &property_trees_);
 }
 
+void LayerTreeImpl::IncrementRenderSurfaceListIdForTesting() {
+  render_surface_layer_list_id_++;
+}
+
 const LayerImplList& LayerTreeImpl::RenderSurfaceLayerList() const {
   // If this assert triggers, then the list is dirty.
   DCHECK(!needs_update_draw_properties_);