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

chrome/browser/sync_file_system/drive_backend/folder_creator.cc

 // 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.
 
 #include "chrome/browser/sync_file_system/drive_backend/folder_creator.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "chrome/browser/sync_file_system/drive_backend/drive_backend_util.h"
@@ skipping 29 matching lines @@
   options.visibility = google_apis::drive::FILE_VISIBILITY_PRIVATE;
   drive_service_->AddNewDirectory(
       parent_folder_id_, title_, options,
       base::Bind(&FolderCreator::DidCreateFolder,
                  weak_ptr_factory_.GetWeakPtr(), callback));
 }
 
 void FolderCreator::DidCreateFolder(
     const FileIDCallback& callback,
     google_apis::DriveApiErrorCode error,
-    scoped_ptr<google_apis::FileResource> entry) {
+    std::unique_ptr<google_apis::FileResource> entry) {
   SyncStatusCode status = DriveApiErrorCodeToSyncStatusCode(error);
   if (status != SYNC_STATUS_OK) {
     callback.Run(std::string(), status);
     return;
   }
 
   drive_service_->SearchByTitle(
       title_, parent_folder_id_,
       base::Bind(&FolderCreator::DidListFolders,
                  weak_ptr_factory_.GetWeakPtr(), callback,
                  base::Passed(ScopedVector<google_apis::FileResource>())));
 }
 
 void FolderCreator::DidListFolders(
     const FileIDCallback& callback,
     ScopedVector<google_apis::FileResource> candidates,
     google_apis::DriveApiErrorCode error,
-    scoped_ptr<google_apis::FileList> file_list) {
+    std::unique_ptr<google_apis::FileList> file_list) {
   SyncStatusCode status = DriveApiErrorCodeToSyncStatusCode(error);
   if (status != SYNC_STATUS_OK) {
     callback.Run(std::string(), status);
     return;
   }
 
   if (!file_list) {
     NOTREACHED();
     callback.Run(std::string(), SYNC_STATUS_FAILED);
     return;
@@ skipping 41 matching lines @@
   if (!metadata_database_->FindFileByFileID(file_id, nullptr)) {
     callback.Run(std::string(), SYNC_FILE_ERROR_NOT_FOUND);
     return;
   }
 
   callback.Run(file_id, status);
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system