Remove CDATASection

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1818 matching lines @@
     return shadowRoot;
 }
 
 bool Element::childTypeAllowed(NodeType type) const
 {
     switch (type) {
     case ELEMENT_NODE:
     case TEXT_NODE:
     case COMMENT_NODE:
     case PROCESSING_INSTRUCTION_NODE:
-    case CDATA_SECTION_NODE:
         return true;
     default:
         break;
     }
     return false;
 }
 
 void Element::checkForEmptyStyleChange()
 {
     RenderStyle* style = renderStyle();
@@ skipping 1536 matching lines @@
 {
 #if ENABLE(OILPAN)
     if (hasRareData())
         visitor->trace(elementRareData());
     visitor->trace(m_elementData);
 #endif
     ContainerNode::trace(visitor);
 }
 
 } // namespace blink