Revert the merge. Mac build is mysteriously broken.

third_party/WebKit/WebCore/dom/CharacterData.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 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.
  *
@@ skipping 13 matching lines @@
 
 #include "CString.h"
 #include "EventNames.h"
 #include "ExceptionCode.h"
 #include "MutationEvent.h"
 #include "RenderText.h"
 
 namespace WebCore {
 
 CharacterData::CharacterData(Document *doc, bool isText)
-    : Node(doc, false, false, isText)
+    : EventTargetNode(doc, false, false, isText)
     , m_data(StringImpl::empty())
 {
 }
 
 CharacterData::CharacterData(Document* document, const String& text, bool isText)
-    : Node(document, false, false, isText)
+    : EventTargetNode(document, false, false, isText)
 {
     m_data = text.impl() ? text.impl() : StringImpl::empty();
 }
 
 CharacterData::~CharacterData()
 {
 }
 
 void CharacterData::setData(const String& data, ExceptionCode&)
 {
@@ skipping 166 matching lines @@
 
 int CharacterData::maxCharacterOffset() const
 {
     return static_cast<int>(length());
 }
 
 bool CharacterData::rendererIsNeeded(RenderStyle *style)
 {
     if (!m_data || !length())
         return false;
-    return Node::rendererIsNeeded(style);
+    return EventTargetNode::rendererIsNeeded(style);
 }
 
 bool CharacterData::offsetInCharacters() const
 {
     return true;
 }
 
 } // namespace WebCore