Move PrefRegistrySimple to use unique_ptr<Value>

chrome/browser/spellchecker/spellcheck_factory.cc

 // 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.
 
 #include "chrome/browser/spellchecker/spellcheck_factory.h"
 
+#include "base/memory/ptr_util.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/spellchecker/spellcheck_service.h"
 #include "chrome/grit/locale_settings.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/prefs/pref_service.h"
 #include "components/spellcheck/browser/pref_names.h"
 #include "components/user_prefs/user_prefs.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/render_process_host.h"
@@ skipping 45 matching lines @@
   // Instantiates Metrics object for spellchecking for use.
   spellcheck->StartRecordingMetrics(
       prefs->GetBoolean(spellcheck::prefs::kEnableSpellcheck));
 
   return spellcheck;
 }
 
 void SpellcheckServiceFactory::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* user_prefs) {
   user_prefs->RegisterListPref(spellcheck::prefs::kSpellCheckDictionaries,
-                               new base::ListValue);
+                               base::MakeUnique<base::ListValue>());
   // Continue registering kSpellCheckDictionary for preference migration.
   // TODO(estade): IDS_SPELLCHECK_DICTIONARY should be an ASCII string.
   user_prefs->RegisterStringPref(
       spellcheck::prefs::kSpellCheckDictionary,
       l10n_util::GetStringUTF8(IDS_SPELLCHECK_DICTIONARY));
   user_prefs->RegisterBooleanPref(
       spellcheck::prefs::kSpellCheckUseSpellingService, false);
 #if defined(OS_IOS) || defined(OS_ANDROID)
   uint32_t flags = PrefRegistry::NO_REGISTRATION_FLAGS;
 #else
   uint32_t flags = user_prefs::PrefRegistrySyncable::SYNCABLE_PREF;
 #endif
   user_prefs->RegisterBooleanPref(
       spellcheck::prefs::kEnableSpellcheck, true, flags);
 }
 
 content::BrowserContext* SpellcheckServiceFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextRedirectedInIncognito(context);
 }
 
 bool SpellcheckServiceFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }