Use PrefChangeRegistrar everywhere

chrome/browser/translate/translate_manager.h

 // Copyright (c) 2010 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_TRANSLATE_TRANSLATE_MANAGER_H_
 #define CHROME_BROWSER_TRANSLATE_TRANSLATE_MANAGER_H_
 #pragma once
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/lazy_instance.h"
 #include "base/singleton.h"
 #include "base/task.h"
+#include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/common/net/url_fetcher.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 #include "chrome/common/translate_errors.h"
 
 class GURL;
 struct PageTranslatedDetails;
 class PrefService;
 class TabContents;
 class TranslateInfoBarDelegate;
@@ skipping 119 matching lines @@
   // Returns the language to translate to, which is the language the UI is
   // configured in.  Returns an empty string if that language is not supported
   // by the translation service.
   static std::string GetTargetLanguage();
 
   // Returns the translate info bar showing in |tab| or NULL if none is showing.
   static TranslateInfoBarDelegate* GetTranslateInfoBarDelegate(
       TabContents* tab);
 
   NotificationRegistrar notification_registrar_;
+  PrefChangeRegistrar pref_change_registrar_;
 
   // A map that associates a profile with its parsed "accept languages".
   typedef std::set<std::string> LanguageSet;
   typedef std::map<PrefService*, LanguageSet> PrefServiceLanguagesMap;
   PrefServiceLanguagesMap accept_languages_;
 
   ScopedRunnableMethodFactory<TranslateManager> method_factory_;
 
   // The JS injected in the page to do the translation.
   std::string translate_script_;
@@ skipping 10 matching lines @@
   // server.
   std::vector<PendingRequest> pending_requests_;
 
   // The languages supported by the translation server.
   static base::LazyInstance<std::set<std::string> > supported_languages_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateManager);
 };
 
 #endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_MANAGER_H_