Expose synthetic delays through the GPU benchmarking extension

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index 31ba37237dfcbb6259f1c881962a206e270cd179..44fd049372e31e04f7705dd50df8002159b72c6d 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -41,6 +41,7 @@
 class WebCursor;
 struct AcceleratedSurfaceMsg_BufferPresented_Params;
 struct ViewHostMsg_CompositorSurfaceBuffersSwapped_Params;
+struct ViewHostMsg_ConfigureSyntheticDelay_Params;
 struct ViewHostMsg_UpdateRect_Params;
 struct ViewHostMsg_TextInputState_Params;
 struct ViewHostMsg_BeginSmoothScroll_Params;
@@ -664,6 +665,8 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
       const ViewHostMsg_BeginSmoothScroll_Params& params);
   void OnBeginPinch(
       const ViewHostMsg_BeginPinch_Params& params);
+  void OnConfigureSyntheticDelay(
+      const ViewHostMsg_ConfigureSyntheticDelay_Params& params);
   virtual void OnFocus();
   virtual void OnBlur();
   void OnSetCursor(const WebCursor& cursor);
@@ -747,6 +750,8 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
 
   void WindowSnapshotReachedScreen(int snapshot_id);
 
+  void DidConfigureSyntheticDelay();
+
   // Our delegate, which wants to know mainly about keyboard events.
   // It will remain non-NULL until DetachDelegate() is called.
   RenderWidgetHostDelegate* delegate_;