Introduce InfoBarTabService API.

chrome/browser/google/google_url_tracker.h

 // 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.
 
 #ifndef CHROME_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_H_
 #define CHROME_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_H_
 
 #include <map>
 #include <string>
 #include <utility>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/api/infobars/confirm_infobar_delegate.h"
 #include "chrome/browser/profiles/profile_keyed_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_source.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/network_change_notifier.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
 class GoogleURLTrackerInfoBarDelegate;
+class InfoBarTabHelper;
 class PrefService;
 class Profile;
 
 namespace content {
 class NavigationController;
 class WebContents;
 }
 
 // This object is responsible for checking the Google URL once per network
 // change, and if necessary prompting the user to see if they want to change to
@@ skipping 224 matching lines @@
 
  private:
   // ConfirmInfoBarDelegate:
   virtual string16 GetMessageText() const OVERRIDE;
   virtual string16 GetButtonLabel(InfoBarButton button) const OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(GoogleURLTrackerInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_H_