Top level navigations are not sent to the host browser in the ChromeFrame NPA...

chrome_frame/chrome_active_document.cc

 // Copyright (c) 2010 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.
 
 // Implementation of ChromeActiveDocument
 #include "chrome_frame/chrome_active_document.h"
 
 #include <hlink.h>
 #include <htiface.h>
 #include <initguid.h>
@@ skipping 1024 matching lines @@
 
   automation_client_->SetUrlFetcher(url_fetcher_.get());
   if (launch_params_) {
     return automation_client_->Initialize(this, launch_params_);
   } else {
     std::wstring profile = UTF8ToWide(cf_url.profile_name());
     // If no profile was given, then make use of the host process's name.
     if (profile.empty())
       profile = GetHostProcessName(false);
     return InitializeAutomation(profile, L"", IsIEInPrivate(),
-                                false, cf_url.gurl(), GURL(referrer));
+                                false, cf_url.gurl(), GURL(referrer),
+                                false);
   }
 }
 
 
 HRESULT ChromeActiveDocument::OnRefreshPage(const GUID* cmd_group_guid,
     DWORD command_id, DWORD cmd_exec_opt, VARIANT* in_args, VARIANT* out_args) {
   DLOG(INFO) << __FUNCTION__;
   popup_allowed_ = false;
   if (in_args->vt == VT_I4 &&
       in_args->lVal & OLECMDIDF_REFRESH_PAGEACTION_POPUPWINDOW) {
@@ skipping 241 matching lines @@
     web_browser2->put_Height(dimensions_.height());
     web_browser2->put_Left(dimensions_.x());
     web_browser2->put_Top(dimensions_.y());
     web_browser2->put_MenuBar(VARIANT_FALSE);
     web_browser2->put_ToolBar(VARIANT_FALSE);
 
     dimensions_.set_height(0);
     dimensions_.set_width(0);
   }
 }