cc: Defer first OutputSurface creation until client is ready

cc/trees/layer_tree_host.h

 // Copyright 2011 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.
 
 #ifndef CC_TREES_LAYER_TREE_HOST_H_
 #define CC_TREES_LAYER_TREE_HOST_H_
 
 #include <limits>
 #include <list>
 #include <string>
@@ skipping 272 matching lines @@
   int id() const { return tree_id_; }
 
   bool ScheduleMicroBenchmark(const std::string& benchmark_name,
                               scoped_ptr<base::Value> value,
                               const MicroBenchmark::DoneCallback& callback);
 
  protected:
   LayerTreeHost(LayerTreeHostClient* client,
                 SharedBitmapManager* manager,
                 const LayerTreeSettings& settings);
-  bool InitializeThreaded(
+  void InitializeThreaded(
       scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner);
-  bool InitializeSingleThreaded(
+  void InitializeSingleThreaded(
       LayerTreeHostSingleThreadClient* single_thread_client);
-  bool InitializeForTesting(scoped_ptr<Proxy> proxy_for_testing);
+  void InitializeForTesting(scoped_ptr<Proxy> proxy_for_testing);
   void SetOutputSurfaceLostForTesting(bool is_lost) {
     output_surface_lost_ = is_lost;
   }
 
   MicroBenchmarkController micro_benchmark_controller_;
 
  private:
-  bool InitializeProxy(scoped_ptr<Proxy> proxy);
+  void InitializeProxy(scoped_ptr<Proxy> proxy);
 
   void PaintLayerContents(
       const RenderSurfaceLayerList& render_surface_layer_list,
       ResourceUpdateQueue* queue,
       bool* did_paint_content,
       bool* need_more_updates);
   void PaintMasksForRenderSurface(Layer* render_surface_layer,
                                   ResourceUpdateQueue* queue,
                                   bool* did_paint_content,
                                   bool* need_more_updates);
@@ skipping 116 matching lines @@
   scoped_refptr<Layer> outer_viewport_scroll_layer_;
 
   SharedBitmapManager* shared_bitmap_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_H_