Make cc output surface creation async

cc/layers/delegated_renderer_layer_unittest.cc

Index: cc/layers/delegated_renderer_layer_unittest.cc
diff --git a/cc/layers/delegated_renderer_layer_unittest.cc b/cc/layers/delegated_renderer_layer_unittest.cc
index ce7dab013e54f6e2e83b92696cad1e1ca94a6721..f243d73c260927298c79d506910b5b6431876914 100644
--- a/cc/layers/delegated_renderer_layer_unittest.cc
+++ b/cc/layers/delegated_renderer_layer_unittest.cc
@@ -18,16 +18,18 @@ namespace {
 
 class DelegatedRendererLayerTest : public testing::Test {
  public:
-  DelegatedRendererLayerTest() : proxy_() {
+  DelegatedRendererLayerTest()
+      : proxy_(), host_client_(FakeLayerTreeHostClient::DIRECT_3D) {
     LayerTreeSettings settings;
     settings.minimum_occlusion_tracking_size = gfx::Size();
 
-    host_impl_ = FakeLayerTreeHost::Create(settings);
+    host_impl_ = FakeLayerTreeHost::Create(&host_client_, settings);
     host_impl_->SetViewportSize(gfx::Size(10, 10));
   }
 
  protected:
   FakeProxy proxy_;
+  FakeLayerTreeHostClient host_client_;
   TestSharedBitmapManager shared_bitmap_manager_;
   scoped_ptr<LayerTreeHost> host_impl_;
 };