[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 63f4dec550e3636c4f5cbed97058ab828332c8fb..3e3665652b7b4e7c4fee0bdf12bfb758cd814245 100644
--- a/ui/compositor/compositor.h
+++ b/ui/compositor/compositor.h
@@ -236,6 +236,12 @@ class COMPOSITOR_EXPORT Compositor
       const gfx::Vector2d& scroll_delta,
       float page_scale,
       float top_controls_delta) OVERRIDE {}
+  virtual void RecordCommitTiming(
+      int64_t,
+      const std::pair<int, base::TimeTicks>&) OVERRIDE {}
+  virtual void RecordCompositeTiming(
+      int64_t,
+      const std::vector<std::pair<int, base::TimeTicks> >&) OVERRIDE {}
   virtual scoped_ptr<cc::OutputSurface> CreateOutputSurface(bool fallback)
       OVERRIDE;
   virtual void DidInitializeOutputSurface() OVERRIDE {}