Add RenderFrameHostDelegate and plumb it through all the necessary classes.

content/browser/frame_host/interstitial_page_impl.cc

Index: content/browser/frame_host/interstitial_page_impl.cc
===================================================================
--- content/browser/frame_host/interstitial_page_impl.cc	(revision 238504)
+++ content/browser/frame_host/interstitial_page_impl.cc	(working copy)
@@ -161,7 +161,7 @@
       // While we get the code to a point to do this, pass NULL for it.
       // TODO(creis): We will also need to pass delegates for the RVHM as we
       // start to use it.
-      frame_tree_(new Navigator(NULL, this), NULL, NULL, NULL),
+      frame_tree_(new Navigator(NULL, this), NULL, NULL, NULL, NULL),
       original_child_id_(web_contents->GetRenderProcessHost()->GetID()),
       original_rvh_id_(web_contents->GetRenderViewHost()->GetRoutingID()),
       should_revert_web_contents_title_(false),
@@ -526,6 +526,7 @@
   return RenderViewHostFactory::Create(site_instance.get(),
                                        this,
                                        this,
+                                       this,
                                        MSG_ROUTING_NONE,
                                        MSG_ROUTING_NONE,
                                        false,