Adding in initial support for all HTML*Element interfaces. (#568)

* Adding in initial support for all HTML*Element interfaces.

* Fix camelcasing of short HTML interface names

* Disabling span test as breaks on taskcluster

crates/web-sys/webidls/enabled/HTMLDetailsElement.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://html.spec.whatwg.org/multipage/forms.html#the-details-element
+ *
+ * © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
+ * Opera Software ASA. You are granted a license to use, reproduce
+ * and create derivative works of this document.
+ */
+
+[HTMLConstructor]
+interface HTMLDetailsElement : HTMLElement {
+  [CEReactions, SetterThrows]
+  attribute boolean open;
+};