Remove most occurences of PrefRegistrySyncable::UNSYNCABLE_PREF

chrome/browser/supervised_user/supervised_user_whitelist_service.cc

 // Copyright 2014 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/supervised_user/supervised_user_whitelist_service.h"
 
 #include <string>
 
 #include "base/files/file_path.h"
 #include "base/metrics/histogram.h"
@@ skipping 25 matching lines @@
       weak_ptr_factory_(this) {
   DCHECK(prefs);
 }
 
 SupervisedUserWhitelistService::~SupervisedUserWhitelistService() {
 }
 
 // static
 void SupervisedUserWhitelistService::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {
-  registry->RegisterDictionaryPref(
-      prefs::kSupervisedUserWhitelists,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterDictionaryPref(prefs::kSupervisedUserWhitelists);
 }
 
 void SupervisedUserWhitelistService::Init() {
   const base::DictionaryValue* whitelists =
       prefs_->GetDictionary(prefs::kSupervisedUserWhitelists);
   for (base::DictionaryValue::Iterator it(*whitelists); !it.IsAtEnd();
        it.Advance()) {
     registered_whitelists_.insert(it.key());
   }
   UMA_HISTOGRAM_COUNTS_100("ManagedUsers.Whitelist.Count", whitelists->size());
@@ skipping 255 matching lines @@
   UMA_HISTOGRAM_TIMES("ManagedUsers.Whitelist.TotalLoadDuration",
                       base::TimeTicks::Now() - start_time);
 
   // If the whitelist has been unregistered in the mean time, ignore it.
   if (registered_whitelists_.count(id) == 0u)
     return;
 
   loaded_whitelists_[id] = whitelist;
   NotifyWhitelistsChanged();
 }