Made Blink aware of top controls offset (Chromium-side)

ui/compositor/compositor.h

Index: ui/compositor/compositor.h
diff --git a/ui/compositor/compositor.h b/ui/compositor/compositor.h
index 4cabee074375c41d245d338533458d344450768e..5a232d21734194fe56717fdb1f91eb947751fbd5 100644
--- a/ui/compositor/compositor.h
+++ b/ui/compositor/compositor.h
@@ -229,8 +229,10 @@ class COMPOSITOR_EXPORT Compositor
   virtual void DidBeginMainFrame() OVERRIDE {}
   virtual void BeginMainFrame(const cc::BeginFrameArgs& args) OVERRIDE;
   virtual void Layout() OVERRIDE;
-  virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
-                                   float page_scale) OVERRIDE {}
+  virtual void ApplyViewportProperties(
+      const gfx::Vector2d& scroll_delta,
+      float page_scale,
+      float top_controls_delta) OVERRIDE {}
   virtual scoped_ptr<cc::OutputSurface> CreateOutputSurface(bool fallback)
       OVERRIDE;
   virtual void DidInitializeOutputSurface() OVERRIDE {}