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

chrome/browser/extensions/api/storage/sync_storage_backend.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/extensions/api/storage/sync_storage_backend.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ skipping 13 matching lines @@
                     const base::DictionaryValue& src,
                     syncer::ModelType type,
                     syncer::SyncDataList* dst) {
   for (base::DictionaryValue::Iterator it(src); !it.IsAtEnd(); it.Advance()) {
     dst->push_back(settings_sync_util::CreateData(
         extension_id, it.key(), it.value(), type));
   }
 }
 
 std::unique_ptr<base::DictionaryValue> EmptyDictionaryValue() {
-  return base::WrapUnique(new base::DictionaryValue());
+  return base::MakeUnique<base::DictionaryValue>();
 }
 
 ValueStoreFactory::ModelType ToFactoryModelType(syncer::ModelType sync_type) {
   switch (sync_type) {
     case syncer::APP_SETTINGS:
       return ValueStoreFactory::ModelType::APP;
     case syncer::EXTENSION_SETTINGS:
       return ValueStoreFactory::ModelType::EXTENSION;
     default:
       NOTREACHED();
@@ skipping 230 matching lines @@
 
 std::unique_ptr<SettingsSyncProcessor>
 SyncStorageBackend::CreateSettingsSyncProcessor(
     const std::string& extension_id) const {
   CHECK(sync_processor_.get());
   return std::unique_ptr<SettingsSyncProcessor>(new SettingsSyncProcessor(
       extension_id, sync_type_, sync_processor_.get()));
 }
 
 }  // namespace extensions