diff -r 000000000000 -r 6474c204b198 dom/interfaces/html/nsIDOMHTMLElement.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/interfaces/html/nsIDOMHTMLElement.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,80 @@
+/* -*- 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/. */
+
+#include "nsIDOMElement.idl"
+#include "nsIVariant.idl"
+
+interface nsIDOMHTMLMenuElement;
+
+/**
+ * The nsIDOMHTMLElement interface is the primary [X]HTML element
+ * interface. It represents a single [X]HTML element in the document
+ * tree.
+ *
+ * This interface is trying to follow the DOM Level 2 HTML specification:
+ * http://www.w3.org/TR/DOM-Level-2-HTML/
+ *
+ * with changes from the work-in-progress WHATWG HTML specification:
+ * http://www.whatwg.org/specs/web-apps/current-work/
+ */
+[scriptable, uuid(e29ddc73-ac40-40fe-8bbd-14bf2d52c53a)]
+interface nsIDOMHTMLElement : nsIDOMElement
+{
+  // metadata attributes
+           attribute DOMString        id;
+           attribute DOMString        title;
+           attribute DOMString        lang;
+           attribute DOMString        dir;
+  [binaryname(DOMClassName)]
+           attribute DOMString        className;
+  readonly attribute nsISupports      dataset;
+
+           attribute boolean                        itemScope;
+           attribute nsIVariant                     itemType;
+           attribute DOMString                      itemId;
+  readonly attribute nsISupports                    properties;
+  // The following attributes are really nsDOMSettableTokenList, which has
+  // PutForwards, so we express them as nsIVariants to deal with this.
+           attribute nsIVariant                     itemValue;
+           attribute nsIVariant                     itemProp;
+           attribute nsIVariant                     itemRef;
+
+  // user interaction
+  /**
+   * Indicates that the element is not yet, or is no longer, relevant.
+   *
+   * See <http://www.whatwg.org/html5/#the-hidden-attribute>.
+   */
+           attribute boolean          hidden;
+  [binaryname(DOMClick)]
+  void click();
+           attribute long             tabIndex;
+  void focus();
+  [binaryname(DOMBlur)]
+  void blur();
+           attribute DOMString        accessKey;
+  readonly attribute DOMString        accessKeyLabel;
+           attribute boolean          draggable;
+           attribute DOMString        contentEditable;
+  readonly attribute boolean          isContentEditable;
+  readonly attribute nsIDOMHTMLMenuElement contextMenu;
+           attribute boolean          spellcheck;
+
+
+  // DOM Parsing and Serialization
+           attribute DOMString        innerHTML;
+           attribute DOMString        outerHTML;
+  void insertAdjacentHTML(in DOMString position,
+                          in DOMString text);
+
+
+  // CSSOM View
+  [optional_argc] void scrollIntoView([optional] in boolean top);
+  readonly attribute nsIDOMElement    offsetParent;
+  readonly attribute long             offsetTop;
+  readonly attribute long             offsetLeft;
+  readonly attribute long             offsetWidth;
+  readonly attribute long             offsetHeight;
+};