Revert the merge. Mac build is mysteriously broken.

third_party/WebKit/WebCore/dom/DocumentFragment.idl

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * 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.
  */
 
 module core {
 
     interface [
         GenerateConstructor,
         InterfaceUUID=F5C8DAF0-D728-4b2b-9D9C-630621B07D35,
         ImplementationUUID=E57BF71F-3FAA-495c-A307-E288F8E5B2EC
-    ] DocumentFragment : Node {
+    ] DocumentFragment : EventTargetNode {
         // NodeSelector - Selector API
         // FIXME: add support for NSResolver in languages other than JS
         Element querySelector(in [ConvertUndefinedOrNullToNullString] DOMString selectors)
             raises(DOMException);
         NodeList querySelectorAll(in [ConvertUndefinedOrNullToNullString] DOMString selectors)
             raises(DOMException);
     };
 
 }