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

chrome/browser/chromeos/drive/drive_integration_service.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_INTEGRATION_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_INTEGRATION_SERVICE_H_
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
@@ skipping 11 matching lines @@
 class SequencedTaskRunner;
 }
 
 namespace drive {
 
 class DebugInfoCollector;
 class DownloadHandler;
 class DriveAppRegistry;
 class DriveServiceInterface;
 class FileSystemInterface;
-class FileWriteHelper;
 class JobListInterface;
 
 namespace internal {
 class FileCache;
 class ResourceMetadata;
 class ResourceMetadataStorage;
 }  // namespace internal
 
 // Interface for classes that need to observe events from
 // DriveIntegrationService.  All events are notified on UI thread.
@@ skipping 49 matching lines @@
   virtual void OnPushNotificationEnabled(bool enabled) OVERRIDE;
 
   DriveServiceInterface* drive_service() {
     return drive_service_.get();
   }
 
   DebugInfoCollector* debug_info_collector() {
     return debug_info_collector_.get();
   }
   FileSystemInterface* file_system() { return file_system_.get(); }
-  FileWriteHelper* file_write_helper() { return file_write_helper_.get(); }
   DownloadHandler* download_handler() { return download_handler_.get(); }
   DriveAppRegistry* drive_app_registry() { return drive_app_registry_.get(); }
   JobListInterface* job_list() { return scheduler_.get(); }
 
   // Clears all the local cache file, the local resource metadata, and
   // in-memory Drive app registry, and remounts the file system. |callback|
   // is called with true when this operation is done successfully. Otherwise,
   // |callback| is called with false. |callback| must not be null.
   void ClearCacheAndRemountFileSystem(
       const base::Callback<void(bool)>& callback);
@@ skipping 32 matching lines @@
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
   scoped_ptr<internal::ResourceMetadataStorage,
              util::DestroyHelper> metadata_storage_;
   scoped_ptr<internal::FileCache, util::DestroyHelper> cache_;
   scoped_ptr<DriveServiceInterface> drive_service_;
   scoped_ptr<JobScheduler> scheduler_;
   scoped_ptr<DriveAppRegistry> drive_app_registry_;
   scoped_ptr<internal::ResourceMetadata,
              util::DestroyHelper> resource_metadata_;
   scoped_ptr<FileSystemInterface> file_system_;
-  scoped_ptr<FileWriteHelper> file_write_helper_;
   scoped_ptr<DownloadHandler> download_handler_;
   scoped_ptr<DebugInfoCollector> debug_info_collector_;
 
   ObserverList<DriveIntegrationServiceObserver> observers_;
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<DriveIntegrationService> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(DriveIntegrationService);
 };
@@ skipping 48 matching lines @@
   // BrowserContextKeyedServiceFactory:
   virtual BrowserContextKeyedService* BuildServiceInstanceFor(
       content::BrowserContext* context) const OVERRIDE;
 
   FactoryCallback factory_for_test_;
 };
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_INTEGRATION_SERVICE_H_