Focus following for the non-editable controls on web page in magnifier mode.

content/browser/renderer_host/render_view_host_impl.h

Index: content/browser/renderer_host/render_view_host_impl.h
diff --git a/content/browser/renderer_host/render_view_host_impl.h b/content/browser/renderer_host/render_view_host_impl.h
index bb2013a700d8c2550b4c7b2e66bad14ad2c58442..28a282e71cbbfe72f02e2f812e77fe6793ddbda7 100644
--- a/content/browser/renderer_host/render_view_host_impl.h
+++ b/content/browser/renderer_host/render_view_host_impl.h
@@ -368,7 +368,8 @@ class CONTENT_EXPORT RenderViewHostImpl
   void OnUpdateDragCursor(blink::WebDragOperation drag_operation);
   void OnTargetDropACK();
   void OnTakeFocus(bool reverse);
-  void OnFocusedNodeChanged(bool is_editable_node);
+  void OnFocusedNodeChanged(bool is_editable_node,
+                            const gfx::Rect& node_bounds_in_viewport);
   void OnClosePageACK();
   void OnDidZoomURL(double zoom_level, const GURL& url);
   void OnRunFileChooser(const FileChooserParams& params);