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

chrome_frame/delete_chrome_history.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 DeleteChromeHistory
 #include "chrome_frame/delete_chrome_history.h"
 
 #include "chrome/browser/browsing_data_remover.h"
 
 #include "chrome_frame/chrome_frame_activex.h"
@@ skipping 56 matching lines @@
   base::IntegrityLevel integrity_level;
   if (win_util::GetWinVersion() >= win_util::WINVERSION_VISTA &&
       !base::GetProcessIntegrityLevel(base::GetCurrentProcessHandle(),
                                       &integrity_level)) {
     return E_UNEXPECTED;
   }
   if (integrity_level == base::LOW_INTEGRITY) {
     return S_OK;
   }
   if (!InitializeAutomation(GetHostProcessName(false), L"", false, false,
-                            GURL(), GURL())) {
+                            GURL(), GURL(), true)) {
     return E_UNEXPECTED;
   }
 
   if (flags & DELETE_BROWSING_HISTORY_COOKIES)
     remove_mask_ |= BrowsingDataRemover::REMOVE_COOKIES;
   if (flags & DELETE_BROWSING_HISTORY_TIF)
     remove_mask_ |= BrowsingDataRemover::REMOVE_CACHE;
   if (flags & DELETE_BROWSING_HISTORY_FORMDATA)
     remove_mask_ |= BrowsingDataRemover::REMOVE_FORM_DATA;
   if (flags & DELETE_BROWSING_HISTORY_PASSWORDS)
     remove_mask_ |= BrowsingDataRemover::REMOVE_PASSWORDS;
   if (flags & DELETE_BROWSING_HISTORY_HISTORY)
     remove_mask_ |= BrowsingDataRemover::REMOVE_HISTORY;
 
   loop_.PostDelayedTask(FROM_HERE,
       new MessageLoop::QuitTask, 1000 * 600);
   loop_.MessageLoop::Run();
 
   return S_OK;
 }