Convert drive::FileWriteHelper to a single function for simplification.

chrome/browser/chromeos/drive/drive_integration_service.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/chromeos/drive/drive_integration_service.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/drive/debug_info_collector.h"
 #include "chrome/browser/chromeos/drive/download_handler.h"
 #include "chrome/browser/chromeos/drive/drive_app_registry.h"
 #include "chrome/browser/chromeos/drive/file_cache.h"
 #include "chrome/browser/chromeos/drive/file_system.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
-#include "chrome/browser/chromeos/drive/file_write_helper.h"
 #include "chrome/browser/chromeos/drive/job_scheduler.h"
 #include "chrome/browser/chromeos/drive/logging.h"
 #include "chrome/browser/chromeos/drive/resource_metadata.h"
 #include "chrome/browser/chromeos/drive/resource_metadata_storage.h"
 #include "chrome/browser/chromeos/profiles/profile_util.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/drive/drive_api_service.h"
 #include "chrome/browser/drive/drive_api_util.h"
@@ skipping 167 matching lines @@
 
   file_system_.reset(
       test_file_system ? test_file_system : new FileSystem(
           profile_->GetPrefs(),
           cache_.get(),
           drive_service_.get(),
           scheduler_.get(),
           resource_metadata_.get(),
           blocking_task_runner_.get(),
           cache_root_directory_.Append(util::kTemporaryFileDirectory)));
-  file_write_helper_.reset(new FileWriteHelper(file_system()));
-  download_handler_.reset(new DownloadHandler(file_write_helper(),
-                                              file_system()));
+  download_handler_.reset(new DownloadHandler(file_system()));
   debug_info_collector_.reset(
       new DebugInfoCollector(file_system(), cache_.get()));
 }
 
 DriveIntegrationService::~DriveIntegrationService() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 }
 
 void DriveIntegrationService::Initialize() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ skipping 16 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   DriveNotificationManager* drive_notification_manager =
       DriveNotificationManagerFactory::GetForProfile(profile_);
   if (drive_notification_manager)
     drive_notification_manager->RemoveObserver(this);
 
   RemoveDriveMountPoint();
   debug_info_collector_.reset();
   download_handler_.reset();
-  file_write_helper_.reset();
   file_system_.reset();
   drive_app_registry_.reset();
   scheduler_.reset();
   drive_service_.reset();
 }
 
 void DriveIntegrationService::AddObserver(
     DriveIntegrationServiceObserver* observer) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   observers_.AddObserver(observer);
@@ skipping 224 matching lines @@
         profile, NULL, base::FilePath(), NULL);
   } else {
     service = factory_for_test_.Run(profile);
   }
 
   service->Initialize();
   return service;
 }
 
 }  // namespace drive