Add initial Controller to DownloadService

chrome/browser/download/download_service_factory.cc

 // Copyright 2017 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/download/download_service_factory.h"
 
 #include "base/files/file_path.h"
+#include "base/memory/ptr_util.h"
 #include "base/memory/singleton.h"
 #include "base/sequenced_task_runner.h"
 #include "base/task_scheduler/post_task.h"
 #include "base/task_scheduler/task_traits.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_constants.h"
+#include "components/download/public/clients.h"
 #include "components/download/public/download_service.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "content/public/browser/browser_context.h"
 
 // static
 DownloadServiceFactory* DownloadServiceFactory::GetInstance() {
   return base::Singleton<DownloadServiceFactory>::get();
 }
 
 // static
@@ skipping 17 matching lines @@
   scoped_refptr<base::SequencedTaskRunner> background_task_runner =
       base::CreateSequencedTaskRunnerWithTraits(
           {base::MayBlock(), base::TaskPriority::BACKGROUND});
 
   base::FilePath storage_dir;
   if (!profile->IsOffTheRecord() && !profile->GetPath().empty()) {
     storage_dir =
         profile->GetPath().Append(chrome::kDownloadServiceStorageDirname);
   }
 
-  download::DownloadService* service =
-      download::DownloadService::Create(storage_dir, background_task_runner);
+  download::DownloadService* service = download::DownloadService::Create(
+      base::MakeUnique<download::DownloadClientMap>(), storage_dir,
+      background_task_runner);
 
   // TODO(dtrainor): Register all clients here.
   return service;
 }
 
 content::BrowserContext* DownloadServiceFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextOwnInstanceInIncognito(context);
 }