Eliminate InfoBarTabHelper. Make InfoBarService a concrete class.

chrome/browser/custom_handlers/register_protocol_handler_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/custom_handlers/register_protocol_handler_infobar_delegate.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/common/url_constants.h"
@@ skipping 11 matching lines @@
     InfoBarService* infobar_service,
     ProtocolHandlerRegistry* registry,
     const ProtocolHandler& handler) {
   content::RecordAction(
       content::UserMetricsAction("RegisterProtocolHandler.InfoBar_Shown"));
 
   scoped_ptr<InfoBarDelegate> infobar(
       new RegisterProtocolHandlerInfoBarDelegate(infobar_service, registry,
                                                  handler));
 
-  for (size_t i = 0; i < infobar_service->GetInfoBarCount(); ++i) {
+  for (size_t i = 0; i < infobar_service->infobar_count(); ++i) {
     RegisterProtocolHandlerInfoBarDelegate* existing_delegate =
-        infobar_service->GetInfoBarDelegateAt(i)->
+        infobar_service->infobar_at(i)->
             AsRegisterProtocolHandlerInfoBarDelegate();
     if ((existing_delegate != NULL) &&
         existing_delegate->handler_.IsEquivalent(handler)) {
       infobar_service->ReplaceInfoBar(existing_delegate, infobar.Pass());
       return;
     }
   }
 
   infobar_service->AddInfoBar(infobar.Pass());
 }
@@ skipping 71 matching lines @@
 bool RegisterProtocolHandlerInfoBarDelegate::LinkClicked(
     WindowOpenDisposition disposition) {
   content::RecordAction(
       UserMetricsAction("RegisterProtocolHandler.InfoBar_LearnMore"));
   OpenURLParams params(
       GURL(chrome::kLearnMoreRegisterProtocolHandlerURL),
       Referrer(),
       (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
       content::PAGE_TRANSITION_LINK,
       false);
-  owner()->GetWebContents()->OpenURL(params);
+  owner()->web_contents()->OpenURL(params);
   return false;
 }
 
 RegisterProtocolHandlerInfoBarDelegate*
     RegisterProtocolHandlerInfoBarDelegate::
         AsRegisterProtocolHandlerInfoBarDelegate() {
   return this;
 }