Convert //chrome/browser/sync_file_system from scoped_ptr to std::unique_ptr

chrome/browser/sync_file_system/drive_backend/register_app_task.h

 // Copyright 2013 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_SYNC_FILE_SYSTEM_DRIVE_BACKEND_REGISTER_APP_TASK_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_REGISTER_APP_TASK_H_
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/sync_file_system/drive_backend/sync_task.h"
 #include "chrome/browser/sync_file_system/sync_callbacks.h"
 #include "google_apis/drive/drive_api_error_codes.h"
 
 namespace drive {
 class DriveServiceInterface;
 }
 
 namespace sync_file_system {
@@ skipping 24 matching lines @@
                                const SyncStatusCallback& callback);
 
   MetadataDatabase* metadata_database();
   drive::DriveServiceInterface* drive_service();
 
   SyncEngineContext* sync_context_;  // Not owned.
 
   int create_folder_retry_count_;
   std::string app_id_;
 
-  scoped_ptr<FolderCreator> folder_creator_;
+  std::unique_ptr<FolderCreator> folder_creator_;
 
   base::WeakPtrFactory<RegisterAppTask> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RegisterAppTask);
 };
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_REGISTER_APP_TASK_H_