diff -r 000000000000 -r 6474c204b198 dom/webidl/ArchiveReader.webidl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/webidl/ArchiveReader.webidl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+/* -*- 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
+};