Eliminate InfoBarTabHelper. Make InfoBarService a concrete class.

chrome/browser/ui/startup/obsolete_os_infobar_delegate.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/startup/obsolete_os_infobar_delegate.h"
 
 #include "chrome/browser/infobars/infobar_service.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
@@ skipping 46 matching lines @@
 }
 
 string16 ObsoleteOSInfoBarDelegate::GetLinkText() const {
   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 }
 
 bool ObsoleteOSInfoBarDelegate::LinkClicked(WindowOpenDisposition disposition) {
   OpenURLParams params(learn_more_url_, Referrer(),
       (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
       content::PAGE_TRANSITION_LINK, false);
-  owner()->GetWebContents()->OpenURL(params);
+  owner()->web_contents()->OpenURL(params);
   return false;
 }
 
 ObsoleteOSInfoBarDelegate::ObsoleteOSInfoBarDelegate(
     InfoBarService* infobar_service,
     const string16& message,
     const GURL& url)
     : ConfirmInfoBarDelegate(infobar_service),
       message_(message),
       learn_more_url_(url) {
 }
 
 ObsoleteOSInfoBarDelegate::~ObsoleteOSInfoBarDelegate() {
 }
 
 }  // namespace chrome