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

ios/chrome/browser/dom_distiller/dom_distiller_service_factory.cc

 // Copyright 2015 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 "ios/chrome/browser/dom_distiller/dom_distiller_service_factory.h"
 
 #include <utility>
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
@@ skipping 84 matching lines @@
   std::unique_ptr<DistillerURLFetcherFactory> distiller_url_fetcher_factory(
       new DistillerURLFetcherFactory(context->GetRequestContext()));
 
   dom_distiller::proto::DomDistillerOptions options;
   std::unique_ptr<DistillerFactory> distiller_factory(new DistillerFactoryImpl(
       std::move(distiller_url_fetcher_factory), options));
   std::unique_ptr<DistilledPagePrefs> distilled_page_prefs(
       new DistilledPagePrefs(
           ios::ChromeBrowserState::FromBrowserState(context)->GetPrefs()));
 
-  return base::WrapUnique(new DomDistillerKeyedService(
+  return base::MakeUnique<DomDistillerKeyedService>(
       std::move(dom_distiller_store), std::move(distiller_factory),
-      std::move(distiller_page_factory), std::move(distilled_page_prefs)));
+      std::move(distiller_page_factory), std::move(distilled_page_prefs));
 }
 
 web::BrowserState* DomDistillerServiceFactory::GetBrowserStateToUse(
     web::BrowserState* context) const {
   // Makes normal profile and off-the-record profile use same service instance.
   return GetBrowserStateRedirectedInIncognito(context);
 }
 
 }  // namespace dom_distiller