Make cc output surface creation async

cc/trees/layer_tree_host_unittest_no_message_loop.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 "base/message_loop/message_loop_proxy.h"
 #include "base/threading/simple_thread.h"
 #include "cc/layers/delegated_frame_provider.h"
 #include "cc/layers/delegated_frame_resource_collection.h"
 #include "cc/layers/delegated_renderer_layer.h"
 #include "cc/layers/layer.h"
@@ skipping 42 matching lines @@
   virtual ~LayerTreeHostNoMessageLoopTest() {}
 
   // LayerTreeHostClient overrides.
   virtual void WillBeginMainFrame(int frame_id) OVERRIDE {}
   virtual void BeginMainFrame(const BeginFrameArgs& args) OVERRIDE {}
   virtual void DidBeginMainFrame() OVERRIDE {}
   virtual void Layout() OVERRIDE {}
   virtual void ApplyViewportDeltas(const gfx::Vector2d& scroll_delta,
                                    float page_scale,
                                    float top_controls_delta) OVERRIDE {}
-  virtual scoped_ptr<OutputSurface> CreateOutputSurface(
-      bool fallback) OVERRIDE {
-    return make_scoped_ptr<OutputSurface>(new NoMessageLoopOutputSurface);
+  virtual void RequestNewOutputSurface(bool fallback) OVERRIDE {
+    layer_tree_host_->SetOutputSurface(
+        make_scoped_ptr<OutputSurface>(new NoMessageLoopOutputSurface));
   }
   virtual void DidInitializeOutputSurface() OVERRIDE {
     did_initialize_output_surface_ = true;
   }
   virtual void WillCommit() OVERRIDE {}
   virtual void DidCommit() OVERRIDE { did_commit_ = true; }
   virtual void DidCommitAndDrawFrame() OVERRIDE {
     did_commit_and_draw_frame_ = true;
   }
   virtual void DidCompleteSwapBuffers() OVERRIDE {}
@@ skipping 151 matching lines @@
   scoped_refptr<DelegatedFrameProvider> frame_provider_;
   scoped_refptr<DelegatedRendererLayer> delegated_layer_;
 };
 
 TEST_F(LayerTreeHostNoMessageLoopDelegatedLayer, SingleDelegatedLayer) {
   RunTest();
 }
 
 }  // namespace
 }  // namespace cc