Revert of Make RenderFrame(Host) own a RenderWidget(Host).

content/browser/frame_host/render_frame_host_factory.cc

Index: content/browser/frame_host/render_frame_host_factory.cc
diff --git a/content/browser/frame_host/render_frame_host_factory.cc b/content/browser/frame_host/render_frame_host_factory.cc
index 7c224d214b9070613e0c6a6fe0ed2a6e7cb92658..625aa4fba95e8352562657db0013490166b9b275 100644
--- a/content/browser/frame_host/render_frame_host_factory.cc
+++ b/content/browser/frame_host/render_frame_host_factory.cc
@@ -17,19 +17,18 @@
 scoped_ptr<RenderFrameHostImpl> RenderFrameHostFactory::Create(
     RenderViewHostImpl* render_view_host,
     RenderFrameHostDelegate* delegate,
-    RenderWidgetHostDelegate* rwh_delegate,
     FrameTree* frame_tree,
     FrameTreeNode* frame_tree_node,
     int routing_id,
     int flags) {
   if (factory_) {
-    return factory_->CreateRenderFrameHost(
-        render_view_host, delegate, rwh_delegate, frame_tree, frame_tree_node,
-        routing_id, flags);
+    return factory_->CreateRenderFrameHost(render_view_host, delegate,
+                                           frame_tree, frame_tree_node,
+                                           routing_id, flags).Pass();
   }
-  return make_scoped_ptr(
-      new RenderFrameHostImpl(render_view_host, delegate, rwh_delegate,
-                              frame_tree, frame_tree_node, routing_id, flags));
+  return make_scoped_ptr(new RenderFrameHostImpl(render_view_host, delegate,
+                                                 frame_tree, frame_tree_node,
+                                                 routing_id, flags));
 }
 
 // static