Revert the merge. Mac build is mysteriously broken.

third_party/WebKit/WebCore/dom/CharacterData.idl

 /*
  * Copyright (C) 2006, 2007 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=149159F4-D2BA-4040-8137-6BF6424C972A,
         ImplementationUUID=E2095280-B9BD-446a-8C03-79F78417CDFF
-    ] CharacterData : Node {
+    ] CharacterData : EventTargetNode {
 
         attribute [ConvertNullToNullString] DOMString data
             setter raises(DOMException);
 
         readonly attribute unsigned long length;
         
         [ConvertNullStringTo=Null, OldStyleObjC] DOMString substringData(in [IsIndex] unsigned long offset, 
                                                            in [IsIndex] unsigned long length)
             raises(DOMException);
 
         void appendData(in DOMString data)
             raises(DOMException);
 
         [OldStyleObjC] void insertData(in [IsIndex] unsigned long offset, 
                         in DOMString data)
             raises(DOMException);
 
         [OldStyleObjC] void deleteData(in [IsIndex] unsigned long offset, 
                         in [IsIndex] unsigned long length)
             raises(DOMException);
 
         [OldStyleObjC] void replaceData(in [IsIndex] unsigned long offset, 
                          in [IsIndex] unsigned long length,
                          in DOMString data)
             raises(DOMException);
     
     };
 
 }