Introduce InfoBarTabService API.

chrome/browser/ui/gtk/infobars/link_infobar_gtk.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/gtk/infobars/link_infobar_gtk.h"
 
 #include "chrome/browser/api/infobars/link_infobar_delegate.h"
+#include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/ui/gtk/event_utils.h"
 
 // LinkInfoBarDelegate ---------------------------------------------------------
 
-InfoBar* LinkInfoBarDelegate::CreateInfoBar(InfoBarTabHelper* owner) {
-  return new LinkInfoBarGtk(owner, this);
+InfoBar* LinkInfoBarDelegate::CreateInfoBar(InfoBarTabService* owner) {
+  return new LinkInfoBarGtk(static_cast<InfoBarTabHelper*>(owner), this);
 }
 
 // LinkInfoBarGtk --------------------------------------------------------------
 
 LinkInfoBarGtk::LinkInfoBarGtk(InfoBarTabHelper* owner,
                                LinkInfoBarDelegate* delegate)
     : InfoBarGtk(owner, delegate) {
   size_t link_offset;
   string16 display_text = delegate->GetMessageTextWithOffset(&link_offset);
   string16 link_text = delegate->GetLinkText();
   AddLabelWithInlineLink(display_text, link_text, link_offset,
                          G_CALLBACK(OnLinkClickedThunk));
 }
 
 LinkInfoBarGtk::~LinkInfoBarGtk() {
 }
 
 void LinkInfoBarGtk::OnLinkClicked(GtkWidget* button) {
   if (GetDelegate()->LinkClicked(
         event_utils::DispositionForCurrentButtonPressEvent()))
     RemoveSelf();
 }
 
 LinkInfoBarDelegate* LinkInfoBarGtk::GetDelegate() {
   return delegate()->AsLinkInfoBarDelegate();
 }