Fix main thread top controls scrolling to mirror CC.

content/renderer/render_widget.h

Index: content/renderer/render_widget.h
diff --git a/content/renderer/render_widget.h b/content/renderer/render_widget.h
index 5e0c81da71d162a009ffe48472c3ab8b000d9564..e7eea25d4df918fcb887abbc90fab8659010a935 100644
--- a/content/renderer/render_widget.h
+++ b/content/renderer/render_widget.h
@@ -410,6 +410,9 @@ class CONTENT_EXPORT RenderWidget
   void DoDeferredClose();
   void NotifyOnClose();
 
+  gfx::Size GetSizeForWebWidget() const;
+  virtual void ResizeWebWidget();
+
   // Close the underlying WebWidget.
   virtual void Close();
 
@@ -599,14 +602,6 @@ class CONTENT_EXPORT RenderWidget
   // The size of the view's backing surface in non-DPI-adjusted pixels.
   gfx::Size physical_backing_size_;
 
-  // Whether or not Blink's viewport size should be shrunk by the height of the
-  // URL-bar (always false on platforms where URL-bar hiding isn't supported).
-  bool top_controls_shrink_blink_size_;
-
-  // The height of the top controls (always 0 on platforms where URL-bar hiding
-  // isn't supported).
-  float top_controls_height_;
-
   // The size of the visible viewport in DPI-adjusted pixels.
   gfx::Size visible_viewport_size_;