Move routing to RenderFrameHost instead of RenderViewHost.

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index 362c6d7f793f0b0405da6e7651f897d54e3217b2..3862d5b347a093bbce5f8fce881c3274683724ed 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -199,7 +199,7 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
   // Called when a renderer object already been created for this host, and we
   // just need to be attached to it. Used for window.open, <select> dropdown
   // menus, and other times when the renderer initiates creating an object.
-  void Init();
+  virtual void Init();
 
   // Tells the renderer to die and then calls Destroy().
   virtual void Shutdown();