Eliminate InfoBarTabHelper. Make InfoBarService a concrete class.

chrome/browser/ui/omnibox/alternate_nav_infobar_delegate.cc

 // Copyright 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/omnibox/alternate_nav_infobar_delegate.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/generated_resources.h"
@@ skipping 31 matching lines @@
 
 bool AlternateNavInfoBarDelegate::LinkClicked(
     WindowOpenDisposition disposition) {
   content::OpenURLParams params(
       alternate_nav_url_, content::Referrer(), disposition,
       // Pretend the user typed this URL, so that navigating to
       // it will be the default action when it's typed again in
       // the future.
       content::PAGE_TRANSITION_TYPED,
       false);
-  owner()->GetWebContents()->OpenURL(params);
+  owner()->web_contents()->OpenURL(params);
 
   // We should always close, even if the navigation did not occur within this
   // WebContents.
   return true;
 }
 
 gfx::Image* AlternateNavInfoBarDelegate::GetIcon() const {
   return &ui::ResourceBundle::GetSharedInstance().GetNativeImageNamed(
       IDR_INFOBAR_ALT_NAV_URL);
 }
 
 InfoBarDelegate::Type AlternateNavInfoBarDelegate::GetInfoBarType() const {
   return PAGE_ACTION_TYPE;
 }