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

components/wifi_sync/wifi_credential_syncable_service_factory.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 "components/wifi_sync/wifi_credential_syncable_service_factory.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ skipping 78 matching lines @@
 }
 
 #if defined(OS_CHROMEOS)
 std::unique_ptr<WifiConfigDelegate>
 WifiCredentialSyncableServiceFactory::BuildWifiConfigDelegateChromeOs(
     content::BrowserContext* context) const {
   // Note: NetworkHandler is a singleton that is managed by
   // ChromeBrowserMainPartsChromeos, and destroyed after all
   // KeyedService instances are destroyed.
   chromeos::NetworkHandler* network_handler = chromeos::NetworkHandler::Get();
-  return base::WrapUnique(new WifiConfigDelegateChromeOs(
+  return base::MakeUnique<WifiConfigDelegateChromeOs>(
       GetUserHash(context, !ignore_login_state_for_test_),
-      network_handler->managed_network_configuration_handler()));
+      network_handler->managed_network_configuration_handler());
 }
 #endif
 
 }  // namespace wifi_sync