Implement URLUtils and URL interface

Source/core/html/HTMLAnchorElement.idl

 /*
  * Copyright (C) 2006, 2007, 2009, 2010 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.
  */
 
 interface HTMLAnchorElement : HTMLElement {
     [Reflect, TreatNullAs=NullString] attribute DOMString charset;
     [Reflect, TreatNullAs=NullString] attribute DOMString coords;
     [Reflect, TreatNullAs=NullString] attribute DOMString download;
-    [Reflect, TreatNullAs=NullString, URL] attribute DOMString href;
     [Reflect, TreatNullAs=NullString] attribute DOMString hreflang;
     [Reflect, TreatNullAs=NullString] attribute DOMString name;
     [Reflect, TreatNullAs=NullString] attribute DOMString ping;
     [Reflect, TreatNullAs=NullString] attribute DOMString rel;
     [Reflect, TreatNullAs=NullString] attribute DOMString rev;
     [Reflect, TreatNullAs=NullString] attribute DOMString shape;
     [Reflect, TreatNullAs=NullString] attribute DOMString target;
     [Reflect, TreatNullAs=NullString] attribute DOMString type;
 
-    attribute DOMString hash;
-    attribute DOMString host;
-    attribute DOMString hostname;
-    attribute DOMString pathname;
-    attribute DOMString port;
-    attribute DOMString protocol;
-    attribute DOMString search;
-
-    readonly attribute DOMString origin;
-
     readonly attribute DOMString text;
-
-    [NotEnumerable] DOMString toString();
 };
 
+HTMLAnchorElement implements URLUtils;