| Index: content/renderer/gpu/render_widget_compositor.h | 
| diff --git a/content/renderer/gpu/render_widget_compositor.h b/content/renderer/gpu/render_widget_compositor.h | 
| index 32999e2a62bd11245eb2a251cd3b4fd93169e537..0e088c3c99754f8b1a93088920bda9d2a69aa040 100644 | 
| --- a/content/renderer/gpu/render_widget_compositor.h | 
| +++ b/content/renderer/gpu/render_widget_compositor.h | 
| @@ -77,6 +77,7 @@ class CONTENT_EXPORT RenderWidgetCompositor | 
| const base::Callback<void(scoped_ptr<base::Value>)>& callback); | 
| bool SendMessageToMicroBenchmark(int id, scoped_ptr<base::Value> value); | 
| void StartCompositor(); | 
| +  void SetSurfaceIdNamespace(uint32_t surface_id_namespace); | 
|  | 
| // WebLayerTreeView implementation. | 
| virtual void setRootLayer(const blink::WebLayer& layer); | 
|  |