Remove DrivePrefetcher and relevant flags.

chrome/browser/chromeos/drive/drive_system_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_SYSTEM_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_SYSTEM_SERVICE_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 15 matching lines @@
 
 namespace google_apis {
 class DriveServiceInterface;
 }
 
 namespace drive {
 
 class DownloadHandler;
 class DriveCache;
 class DriveFileSystemInterface;
-class DrivePrefetcher;
 class DriveResourceMetadata;
 class DriveWebAppsRegistry;
 class FileSystemProxy;
 class FileWriteHelper;
 class JobListInterface;
 class StaleCacheFilesRemover;
 class SyncClient;
 
 // Interface for classes that need to observe events from DriveSystemService.
 // All events are notified on UI thread.
@@ skipping 116 matching lines @@
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
   scoped_ptr<DriveCache, util::DestroyHelper> cache_;
   scoped_ptr<google_apis::DriveServiceInterface> drive_service_;
   scoped_ptr<JobScheduler> scheduler_;
   scoped_ptr<DriveWebAppsRegistry> webapps_registry_;
   scoped_ptr<DriveResourceMetadata, util::DestroyHelper> resource_metadata_;
   scoped_ptr<DriveFileSystemInterface> file_system_;
   scoped_ptr<FileWriteHelper> file_write_helper_;
   scoped_ptr<DownloadHandler> download_handler_;
   scoped_ptr<SyncClient> sync_client_;
-  scoped_ptr<DrivePrefetcher> prefetcher_;
   scoped_ptr<StaleCacheFilesRemover> stale_cache_files_remover_;
   scoped_refptr<FileSystemProxy> file_system_proxy_;
 
   ObserverList<DriveSystemServiceObserver> 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<DriveSystemService> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(DriveSystemService);
 };
@@ skipping 44 matching lines @@
   // ProfileKeyedServiceFactory:
   virtual ProfileKeyedService* BuildServiceInstanceFor(
       Profile* profile) const OVERRIDE;
 
   FactoryCallback factory_for_test_;
 };
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_SYSTEM_SERVICE_H_