Change infobar creation to use a public static Create() method on the infobar delegate classes.

chrome/browser/ui/auto_login_prompter.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 "chrome/browser/ui/auto_login_prompter.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/string_split.h"
@@ skipping 160 matching lines @@
   new AutoLoginPrompter(web_contents, params);
 }
 
 void AutoLoginPrompter::Observe(int type,
                                 const content::NotificationSource& source,
                                 const content::NotificationDetails& details) {
   if (type == content::NOTIFICATION_LOAD_STOP) {
   InfoBarService* infobar_service =
       InfoBarService::FromWebContents(web_contents_);
     // |infobar_service| is NULL for WebContents hosted in WebDialog.
-    if (infobar_service) {
-      infobar_service->AddInfoBar(
-          new AutoLoginInfoBarDelegate(infobar_service, params_));
-    }
+    if (infobar_service)
+      AutoLoginInfoBarDelegate::Create(infobar_service, params_);
   }
   // Either we couldn't add the infobar, we added the infobar, or the tab
   // contents was destroyed before the navigation completed.  In any case
   // there's no reason to live further.
   delete this;
 }