CrOS settings/metrics: Correctly store Subscriptions

chrome/browser/ui/webui/options/browser_options_handler.h

Index: chrome/browser/ui/webui/options/browser_options_handler.h
diff --git a/chrome/browser/ui/webui/options/browser_options_handler.h b/chrome/browser/ui/webui/options/browser_options_handler.h
index b309601851aacfae26ad382f24e7e88eecc3f95e..b75e594c62fc631432d1c161bcdd449f51d6010f 100644
--- a/chrome/browser/ui/webui/options/browser_options_handler.h
+++ b/chrome/browser/ui/webui/options/browser_options_handler.h
@@ -35,6 +35,7 @@
 #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"
@@ -446,6 +447,9 @@ class BrowserOptionsHandler
   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>