Add RenderFrameHostDelegate and plumb it through all the necessary classes.

content/browser/frame_host/render_frame_host_factory.h

Index: content/browser/frame_host/render_frame_host_factory.h
===================================================================
--- content/browser/frame_host/render_frame_host_factory.h	(revision 238504)
+++ content/browser/frame_host/render_frame_host_factory.h	(working copy)
@@ -12,6 +12,7 @@
 namespace content {
 
 class FrameTree;
+class RenderFrameHostDelegate;
 class RenderFrameHostImpl;
 class RenderViewHostImpl;
 
@@ -24,6 +25,7 @@
   // or a regular RenderFrameHostImpl if no factory is registered.
   static scoped_ptr<RenderFrameHostImpl> Create(
       RenderViewHostImpl* render_view_host,
+      RenderFrameHostDelegate* delegate,
       FrameTree* frame_tree,
       int routing_id,
       bool is_swapped_out);
@@ -39,6 +41,7 @@
   // function to create an alternate kind of RenderFrameHostImpl for testing.
   virtual scoped_ptr<RenderFrameHostImpl> CreateRenderFrameHost(
       RenderViewHostImpl* render_view_host,
+      RenderFrameHostDelegate* delegate,
       FrameTree* frame_tree,
       int routing_id,
       bool is_swapped_out) = 0;