Hack to add accessors for WebIDL attributes.

Source/core/dom/Element.idl

 /*
  * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 [
     SpecialWrapFor=HTMLElement|SVGElement
 ] interface Element : Node {
+  //attribute DOMString testAttrOnElement;
+  //[ExposeV8GetterAndSetter] attribute DOMString testAttrOnElementWithGetterAndSetter;
 
     // DOM Level 1 Core
 
     [TreatReturnedNullStringAs=Null, PerWorldBindings] readonly attribute DOMString tagName;
 
     [TreatReturnedNullStringAs=Null] DOMString getAttribute([Default=Undefined] optional DOMString name);
     [RaisesException, CustomElementCallbacks] void setAttribute([Default=Undefined] optional DOMString name, [Default=Undefined] optional DOMString value);
     [CustomElementCallbacks] void removeAttribute([Default=Undefined] optional DOMString name);
     [MeasureAs=ElementGetAttributeNode] Attr getAttributeNode([Default=Undefined] optional DOMString name); // Removed from DOM4.
     [RaisesException, CustomElementCallbacks, MeasureAs=ElementSetAttributeNode] Attr setAttributeNode([Default=Undefined, StrictTypeChecking] optional Attr newAttr); // Removed from DOM4.
@@ skipping 18 matching lines @@
     [RaisesException, CustomElementCallbacks] Attr setAttributeNodeNS([Default=Undefined, StrictTypeChecking] optional Attr newAttr);
     boolean hasAttribute(DOMString name);
     boolean hasAttributeNS([TreatNullAs=NullString,Default=Undefined] optional DOMString namespaceURI,
                            [Default=Undefined] optional DOMString localName);
 
     [PerWorldBindings] readonly attribute CSSStyleDeclaration style;
 
     // DOM4
     // iht.com relies on id returning the empty string when no id is present.
     // Other browsers do this as well. So we don't convert null to JS null.
-    [Reflect, TreatNullAs=NullString] attribute DOMString id;
+    [Reflect, TreatNullAs=NullString, ExposeV8GetterAndSetter] attribute DOMString id;
     [TreatReturnedNullStringAs=Null, PerWorldBindings] readonly attribute DOMString namespaceURI;
     [TreatReturnedNullStringAs=Null, TreatNullAs=NullString, PerWorldBindings, SetterRaisesException] attribute DOMString prefix;
     [TreatReturnedNullStringAs=Null, PerWorldBindings] readonly attribute DOMString localName;
 
     // Common extensions
 
     [PerWorldBindings] readonly attribute long offsetLeft;
     [PerWorldBindings] readonly attribute long offsetTop;
     [PerWorldBindings] readonly attribute long offsetWidth;
     [PerWorldBindings] readonly attribute long offsetHeight;
@@ skipping 73 matching lines @@
     [RuntimeEnabled=Touch] attribute EventHandler ontouchend;
     [RuntimeEnabled=Touch] attribute EventHandler ontouchmove;
     [RuntimeEnabled=Touch] attribute EventHandler ontouchstart;
     attribute EventHandler onwebkitfullscreenchange;
     attribute EventHandler onwebkitfullscreenerror;
     [ActivityLogging=SetterForAllWorlds] attribute EventHandler onwheel;
 };
 
 Element implements ParentNode;
 Element implements ChildNode;