Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/prefs/chrome_pref_service_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/prefs/chrome_pref_service_factory.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <vector>
@@ skipping 393 matching lines @@
   // not available synchronously.
   // As part of improving pref metrics on other platforms we may want to find
   // ways to defer preference loading until the device ID can be used.
   rlz_lib::GetMachineId(&device_id);
 #endif
   std::string seed;
 #if defined(GOOGLE_CHROME_BUILD)
   seed = ResourceBundle::GetSharedInstance().GetRawDataResource(
       IDR_PREF_HASH_SEED_BIN).as_string();
 #endif
-  return base::WrapUnique(new ProfilePrefStoreManager(
+  return base::MakeUnique<ProfilePrefStoreManager>(
       profile_path, GetTrackingConfiguration(), kTrackedPrefsReportingIDsCount,
-      seed, device_id, g_browser_process->local_state()));
+      seed, device_id, g_browser_process->local_state());
 }
 
 void PrepareFactory(syncable_prefs::PrefServiceSyncableFactory* factory,
                     const base::FilePath& pref_filename,
                     policy::PolicyService* policy_service,
                     SupervisedUserSettingsService* supervised_user_settings,
                     scoped_refptr<PersistentPrefStore> user_pref_store,
                     const scoped_refptr<PrefStore>& extension_prefs,
                     bool async) {
   policy::BrowserPolicyConnector* policy_connector =
@@ skipping 112 matching lines @@
 
 void ClearResetTime(Profile* profile) {
   ProfilePrefStoreManager::ClearResetTime(profile->GetPrefs());
 }
 
 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   ProfilePrefStoreManager::RegisterProfilePrefs(registry);
 }
 
 }  // namespace chrome_prefs