The Tor Browser / file revision

 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 [Pref="dom.archivereader.enabled",

  Constructor(Blob blob, optional ArchiveReaderOptions options)]

 interface ArchiveReader {

   ArchiveRequest getFilenames();

   ArchiveRequest getFile(DOMString filename);

   ArchiveRequest getFiles();

 };

 dictionary ArchiveReaderOptions {

   DOMString encoding = "windows-1252"; // Default fallback encoding

 };