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

content/browser/renderer_host/render_view_host_factory.cc

Index: content/browser/renderer_host/render_view_host_factory.cc
diff --git a/content/browser/renderer_host/render_view_host_factory.cc b/content/browser/renderer_host/render_view_host_factory.cc
index c2b6c929afb8e20b8742ea9581fe4225daf42103..4f01d545aa3bcf94c4008a082159990b8a2e07b5 100644
--- a/content/browser/renderer_host/render_view_host_factory.cc
+++ b/content/browser/renderer_host/render_view_host_factory.cc
@@ -18,15 +18,18 @@ RenderViewHost* RenderViewHostFactory::Create(
     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