[not for review] Add Draw entries to window Performance Timeline

ui/compositor/compositor.h

Index: ui/compositor/compositor.h
diff --git a/ui/compositor/compositor.h b/ui/compositor/compositor.h
index 79bf691c41520057728284ab3f1d4ba9f165fc77..556fc98a1245bdfb2907b89319c43921de6cfe0b 100644
--- a/ui/compositor/compositor.h
+++ b/ui/compositor/compositor.h
@@ -219,6 +219,8 @@ class COMPOSITOR_EXPORT Compositor
   virtual void Layout() OVERRIDE;
   virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
                                    float page_scale) OVERRIDE {}
+  virtual void RecordDrawTiming(int64_t,
+      const std::vector<std::pair<int,base::TimeTicks> >&) OVERRIDE {}
   virtual scoped_ptr<cc::OutputSurface> CreateOutputSurface(bool fallback)
       OVERRIDE;
   virtual void DidInitializeOutputSurface() OVERRIDE {}