Switch to standard integer types in components/, part 1 of 4.

components/drive/file_system/create_directory_operation.cc

 // Copyright (c) 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 "components/drive/file_system/create_directory_operation.h"
 
+#include <stddef.h>
+
 #include "components/drive/drive.pb.h"
 #include "components/drive/file_change.h"
 #include "components/drive/file_system/operation_delegate.h"
 #include "components/drive/file_system_core_util.h"
 #include "components/drive/job_scheduler.h"
 #include "components/drive/resource_metadata.h"
 
 namespace drive {
 namespace file_system {
 
@@ skipping 156 matching lines @@
     delegate_->OnEntryUpdatedByOperation(ClientContext(USER_INITIATED), id);
   }
 
   delegate_->OnFileChangedByOperation(*changed_files);
 
   callback.Run(error);
 }
 
 }  // namespace file_system
 }  // namespace drive