Remove most occurences of PrefRegistrySyncable::UNSYNCABLE_PREF

chrome/browser/chromeos/policy/policy_cert_service_factory.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/chromeos/policy/policy_cert_service_factory.h"
 
 #include "base/memory/singleton.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
@@ skipping 122 matching lines @@
 
 content::BrowserContext* PolicyCertServiceFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextOwnInstanceInIncognito(context);
 }
 
 void PolicyCertServiceFactory::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {
   // TODO(joaodasilva): this is used for backwards compatibility.
   // Remove once it's not necessary anymore.
-  registry->RegisterBooleanPref(
-      prefs::kUsedPolicyCertificatesOnce,
-      false,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterBooleanPref(prefs::kUsedPolicyCertificatesOnce, false);
 }
 
 bool PolicyCertServiceFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }
 
 }  // namespace policy