Move Element.style to HTMLElement

Source/core/html/HTMLElement.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,
@@ skipping 34 matching lines @@
     readonly attribute boolean isContentEditable;
 
     // CSSOM View Module
     // http://dev.w3.org/csswg/cssom-view/#extensions-to-the-htmlelement-interface
     [PerWorldBindings] readonly attribute Element? offsetParent;
     readonly attribute long offsetTop;
     readonly attribute long offsetLeft;
     readonly attribute long offsetWidth;
     readonly attribute long offsetHeight;
 
+    // CSS Object Model (CSSOM)
+    // http://dev.w3.org/csswg/cssom/#the-elementcssinlinestyle-interface
+    // FIXME: style should have [PutForwards=cssText].
+    [SameObject, PerWorldBindings] readonly attribute CSSStyleDeclaration style;
+
     // Non-standard APIs
     [TreatNullAs=NullString, CustomElementCallbacks, RaisesException=Setter, MeasureAs=HTMLElementInnerText] attribute DOMString innerText;
     [TreatNullAs=NullString, CustomElementCallbacks, RaisesException=Setter, MeasureAs=HTMLElementOuterText] attribute DOMString outerText;
     [Reflect, TreatNullAs=NullString, MeasureAs=PrefixedHTMLElementDropzone] attribute DOMString webkitdropzone;
 };
 
 HTMLElement implements GlobalEventHandlers;