Eliminate InfoBarTabHelper. Make InfoBarService a concrete class.

chrome/browser/ui/extensions/app_metro_infobar_delegate_win.cc

 // Copyright 2013 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/extensions/app_metro_infobar_delegate_win.h"
 
 #include "apps/app_launch_for_metro_restart_win.h"
 #include "base/bind_helpers.h"
 #include "base/message_loop.h"
 #include "base/prefs/pref_service.h"
@@ skipping 75 matching lines @@
 
 string16 AppMetroInfoBarDelegateWin::GetButtonLabel(
     InfoBarButton button) const {
   return l10n_util::GetStringUTF16(button == BUTTON_CANCEL ?
       IDS_WIN8_INFOBAR_DESKTOP_RESTART_TO_LAUNCH_APPS_NO_BUTTON :
       IDS_WIN8_INFOBAR_DESKTOP_RESTART_TO_LAUNCH_APPS_YES_BUTTON);
 }
 
 bool AppMetroInfoBarDelegateWin::Accept() {
   PrefService* prefs = g_browser_process->local_state();
-  content::WebContents* web_contents = owner()->GetWebContents();
+  content::WebContents* web_contents = owner()->web_contents();
   if (mode_ == SHOW_APP_LIST) {
     prefs->SetBoolean(prefs::kRestartWithAppList, true);
   } else {
     apps::SetAppLaunchForMetroRestart(
         Profile::FromBrowserContext(web_contents->GetBrowserContext()),
         extension_id_);
   }
 
   web_contents->Close();  // Note: deletes |this|.
   chrome::AttemptRestartWithModeSwitch();
   return false;
 }
 
 bool AppMetroInfoBarDelegateWin::Cancel() {
-  owner()->GetWebContents()->Close();
+  owner()->web_contents()->Close();
   return false;
 }
 
 string16 AppMetroInfoBarDelegateWin::GetLinkText() const {
   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 }
 
 bool AppMetroInfoBarDelegateWin::LinkClicked(
     WindowOpenDisposition disposition) {
   content::OpenURLParams params(
       GURL("https://support.google.com/chrome/?p=ib_redirect_to_desktop"),
       content::Referrer(),
       (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
       content::PAGE_TRANSITION_LINK, false);
-  owner()->GetWebContents()->OpenURL(params);
+  owner()->web_contents()->OpenURL(params);
   return false;
 }
 
 }  // namespace chrome