CC: Plumb LayerSettings parameter for cc::Layer construction.

cc/test/layer_tree_test.cc

Index: cc/test/layer_tree_test.cc
diff --git a/cc/test/layer_tree_test.cc b/cc/test/layer_tree_test.cc
index bad69c3594d0f2b71799c8e06c17b8bfb1d8f45a..89c40484a0aecd7b10fd557ddc91c8dd52cde4fb 100644
--- a/cc/test/layer_tree_test.cc
+++ b/cc/test/layer_tree_test.cc
@@ -695,7 +695,7 @@ void LayerTreeTest::DoBeginTest() {
 
 void LayerTreeTest::SetupTree() {
   if (!layer_tree_host_->root_layer()) {
-    scoped_refptr<Layer> root_layer = Layer::Create();
+    scoped_refptr<Layer> root_layer = Layer::Create(layer_settings_);
     root_layer->SetBounds(gfx::Size(1, 1));
     root_layer->SetIsDrawable(true);
     layer_tree_host_->SetRootLayer(root_layer);
@@ -812,6 +812,7 @@ void LayerTreeTest::RunTest(bool threaded,
   settings_.impl_side_painting = impl_side_painting;
   settings_.verify_property_trees = verify_property_trees_;
   InitializeSettings(&settings_);
+  InitializeLayerSettings(&layer_settings_);
 
   main_task_runner_->PostTask(
       FROM_HERE,