Eliminate InfoBarTabHelper. Make InfoBarService a concrete class.

chrome/browser/autofill/autofill_cc_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/autofill/autofill_cc_infobar_delegate.h"
 
 #include "base/logging.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "components/autofill/browser/credit_card.h"
 #include "components/autofill/browser/personal_data_manager.h"
@@ skipping 90 matching lines @@
 bool AutofillCCInfoBarDelegate::Cancel() {
   LogUserAction(AutofillMetrics::INFOBAR_DENIED);
   return true;
 }
 
 string16 AutofillCCInfoBarDelegate::GetLinkText() const {
   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 }
 
 bool AutofillCCInfoBarDelegate::LinkClicked(WindowOpenDisposition disposition) {
-  owner()->GetWebContents()->GetDelegate()->OpenURLFromTab(
-      owner()->GetWebContents(),
+  owner()->web_contents()->GetDelegate()->OpenURLFromTab(
+      owner()->web_contents(),
       content::OpenURLParams(
           GURL(autofill::kHelpURL),
           content::Referrer(),
           (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
           content::PAGE_TRANSITION_LINK,
           false));
   return false;
 }
 
 }  // namespace autofill