Give the main frame a RenderWidget.

extensions/browser/guest_view/extension_options/extension_options_guest.cc

 // Copyright 2014 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 "extensions/browser/guest_view/extension_options/extension_options_guest.h"
 
 #include "base/values.h"
 #include "components/crx_file/id_util.h"
 #include "components/guest_view/browser/guest_view_event.h"
 #include "components/guest_view/browser/guest_view_manager.h"
@@ skipping 172 matching lines @@
 bool ExtensionOptionsGuest::HandleContextMenu(
     const content::ContextMenuParams& params) {
   if (!extension_options_guest_delegate_)
     return false;
 
   return extension_options_guest_delegate_->HandleContextMenu(params);
 }
 
 bool ExtensionOptionsGuest::ShouldCreateWebContents(
     WebContents* web_contents,
-    int route_id,
-    int main_frame_route_id,
+    int32_t route_id,
+    int32_t main_frame_route_id,
+    int32_t main_frame_widget_route_id,
     WindowContainerType window_container_type,
     const std::string& frame_name,
     const GURL& target_url,
     const std::string& partition_id,
     content::SessionStorageNamespace* session_storage_namespace) {
   // This method handles opening links from within the guest. Since this guest
   // view is used for displaying embedded extension options, we want any
   // external links to be opened in a new tab, not in a new guest view.
   // Therefore we just open the URL in a new tab, and since we aren't handling
   // the new web contents, we return false.
@@ skipping 21 matching lines @@
     SetGuestZoomLevelToMatchEmbedder();
 
     if (params.url.GetOrigin() != options_page_.GetOrigin()) {
       bad_message::ReceivedBadMessage(web_contents()->GetRenderProcessHost(),
                                       bad_message::EOG_BAD_ORIGIN);
     }
   }
 }
 
 }  // namespace extensions