cc: Fix multiple outstanding output surface requests

content/renderer/gpu/render_widget_compositor.h

 // Copyright (c) 2013 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 CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_
 #define CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
@@ skipping 151 matching lines @@
   enum {
    OUTPUT_SURFACE_RETRIES_BEFORE_FALLBACK = 4,
    MAX_OUTPUT_SURFACE_RETRIES = 5,
   };
 
  protected:
   RenderWidgetCompositor(RenderWidget* widget,
                          CompositorDependencies* compositor_deps);
 
   void Initialize();
-
   cc::LayerTreeHost* layer_tree_host() { return layer_tree_host_.get(); }
 
  private:
   int num_failed_recreate_attempts_;
   RenderWidget* widget_;
   CompositorDependencies* compositor_deps_;
   scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
 
   scoped_ptr<cc::CopyOutputRequest> temporary_copy_output_request_;
 
   base::WeakPtrFactory<RenderWidgetCompositor> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_