Make cc output surface creation async

cc/test/layer_tree_host_common_test.cc

 // Copyright 2014 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/test/layer_tree_host_common_test.h"
 
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
+#include "cc/test/fake_layer_tree_host.h"
 #include "cc/trees/layer_tree_host_common.h"
 
 namespace cc {
 
 LayerTreeHostCommonTestBase::LayerTreeHostCommonTestBase()
-    : render_surface_layer_list_count_(0) {
+    : client_(FakeLayerTreeHostClient::DIRECT_3D),
+      render_surface_layer_list_count_(0) {
 }
 
 LayerTreeHostCommonTestBase::~LayerTreeHostCommonTestBase() {
 }
 
 void LayerTreeHostCommonTestBase::SetLayerPropertiesForTesting(
     Layer* layer,
     const gfx::Transform& transform,
     const gfx::Point3F& transform_origin,
     const gfx::PointF& position,
@@ skipping 78 matching lines @@
   inputs.can_use_lcd_text = can_use_lcd_text;
   inputs.can_adjust_raster_scales = true;
 
   ++render_surface_layer_list_count_;
   inputs.current_render_surface_layer_list_id =
       render_surface_layer_list_count_;
 
   LayerTreeHostCommon::CalculateDrawProperties(&inputs);
 }
 
+scoped_ptr<FakeLayerTreeHost>
+LayerTreeHostCommonTestBase::CreateFakeLayerTreeHost() {
+  return FakeLayerTreeHost::Create(&client_);
+}
+
 }  // namespace cc