Create RenderFrame/RenderFrameHost for the main frame of a page.

content/browser/renderer_host/render_view_host_factory.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_view_host_factory.h"
 
 #include "base/logging.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 
 namespace content {
 
 // static
 RenderViewHostFactory* RenderViewHostFactory::factory_ = NULL;
 
 // static
 RenderViewHost* RenderViewHostFactory::Create(
     SiteInstance* instance,
     RenderViewHostDelegate* delegate,
     RenderWidgetHostDelegate* widget_delegate,
     int routing_id,
+    int main_frame_routing_id,
     bool swapped_out,
     SessionStorageNamespace* session_storage_namespace) {
   if (factory_) {
     return factory_->CreateRenderViewHost(instance, delegate, widget_delegate,
-                                          routing_id, swapped_out,
+                                          routing_id, main_frame_routing_id,
+                                          swapped_out,
                                           session_storage_namespace);
   }
   return new RenderViewHostImpl(instance, delegate, widget_delegate, routing_id,
-                                swapped_out, session_storage_namespace);
+                                main_frame_routing_id, swapped_out,
+                                session_storage_namespace);
 }
 
 // static
 void RenderViewHostFactory::RegisterFactory(RenderViewHostFactory* factory) {
   DCHECK(!factory_) << "Can't register two factories at once.";
   factory_ = factory;
 }
 
 // static
 void RenderViewHostFactory::UnregisterFactory() {
   DCHECK(factory_) << "No factory to unregister.";
   factory_ = NULL;
 }
 
 }  // namespace content