RPM build fix (reverted CI changes which will need to be un-reverted or made conditional) and vendor Rust dependencies to make builds much faster in any CI system.

zeroidc/vendor/web-sys/webidls/enabled/MediaKeyError.webidl

@@ -0,0 +1,18 @@
+/* -*- 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/.
+ *
+ * The origin of this IDL file is
+ * https://dvcs.w3.org/hg/html-media/raw-file/default/encrypted-media/encrypted-media.html
+ *
+ * Copyright © 2014 W3C® (MIT, ERCIM, Keio, Beihang), All Rights Reserved.
+ * W3C liability, trademark and document use rules apply.
+ */
+
+// According to the spec, "The future of error events and MediaKeyError
+// is uncertain."
+// https://www.w3.org/Bugs/Public/show_bug.cgi?id=21798
+interface MediaKeyError : Event {
+  readonly attribute unsigned long systemCode;
+};