CrOS settings/metrics: Correctly store Subscriptions

chrome/browser/ui/webui/options/browser_options_handler.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_UI_WEBUI_OPTIONS_BROWSER_OPTIONS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_BROWSER_OPTIONS_HANDLER_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 17 matching lines @@
 #include "components/signin/core/common/signin_pref_names.h"
 #include "components/sync/driver/sync_service_observer.h"
 #include "content/public/browser/notification_observer.h"
 #include "extensions/browser/extension_registry_observer.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 #include "printing/features/features.h"
 #include "ui/base/models/table_model_observer.h"
 #include "ui/shell_dialogs/select_file_dialog.h"
 
 #if defined(OS_CHROMEOS)
+#include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/chromeos/system/pointer_device_observer.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 #include "components/user_manager/user_manager.h"
 #else  // defined(OS_CHROMEOS)
 #include "chrome/browser/shell_integration.h"
 #endif  // !defined(OS_CHROMEOS)
 
 class TemplateURLService;
 
 namespace base {
@@ skipping 391 matching lines @@
       default_zoom_level_subscription_;
 
   PrefChangeRegistrar profile_pref_registrar_;
 #if defined(OS_CHROMEOS)
   std::unique_ptr<policy::PolicyChangeRegistrar> policy_registrar_;
 
   // Whether factory reset can be performed.
   bool enable_factory_reset_;
 
   PrefChangeRegistrar local_state_pref_change_registrar_;
+
+  std::unique_ptr<chromeos::CrosSettings::ObserverSubscription>
+      system_timezone_policy_observer_;
 #endif
 
   ScopedObserver<SigninManagerBase, SigninManagerBase::Observer>
       signin_observer_;
 
   // Used to get WeakPtr to self for use on the UI thread.
   base::WeakPtrFactory<BrowserOptionsHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserOptionsHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_BROWSER_OPTIONS_HANDLER_H_