Use PrefChangeRegistrar everywhere

chrome/browser/views/options/general_page_view.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_VIEWS_OPTIONS_GENERAL_PAGE_VIEW_H_
 #define CHROME_BROWSER_VIEWS_OPTIONS_GENERAL_PAGE_VIEW_H_
 #pragma once
 
+#include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "chrome/browser/shell_integration.h"
 #include "chrome/browser/views/options/options_page_view.h"
 #include "chrome/browser/views/url_picker.h"
 #include "views/controls/combobox/combobox.h"
 #include "views/controls/button/button.h"
 #include "views/controls/table/table_view_observer.h"
 #include "views/view.h"
 
 namespace views {
@@ skipping 130 matching lines @@
   scoped_ptr<SearchEngineListModel> default_search_engines_model_;
 
   // Controls for the Default Browser group
   OptionsGroupView* default_browser_group_;
   views::Label* default_browser_status_label_;
   views::NativeButton* default_browser_use_as_default_button_;
 
   // The helper object that performs default browser set/check tasks.
   scoped_refptr<ShellIntegration::DefaultBrowserWorker> default_browser_worker_;
 
+  PrefChangeRegistrar registrar_;
+
   DISALLOW_COPY_AND_ASSIGN(GeneralPageView);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_OPTIONS_GENERAL_PAGE_VIEW_H_