Remove CDATASection

Source/core/xml/XPathUtil.cpp

 /*
  * Copyright (C) 2005 Frerich Raabe <raabe@kde.org>
  * Copyright (C) 2006, 2009 Apple Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 28 matching lines @@
     return node && !node->parentNode();
 }
 
 String stringValue(Node* node)
 {
     switch (node->nodeType()) {
     case Node::ATTRIBUTE_NODE:
     case Node::PROCESSING_INSTRUCTION_NODE:
     case Node::COMMENT_NODE:
     case Node::TEXT_NODE:
-    case Node::CDATA_SECTION_NODE:
         return node->nodeValue();
     default:
         if (isRootDomNode(node) || node->isElementNode()) {
             StringBuilder result;
             result.reserveCapacity(1024);
 
             for (Node& n : NodeTraversal::descendantsOf(*node)) {
                 if (n.isTextNode()) {
                     const String& nodeValue = n.nodeValue();
                     result.append(nodeValue);
                 }
             }
 
             return result.toString();
         }
     }
 
     return String();
 }
 
 bool isValidContextNode(Node* node)
 {
     if (!node)
         return false;
     switch (node->nodeType()) {
     case Node::ATTRIBUTE_NODE:
-    case Node::CDATA_SECTION_NODE:
     case Node::COMMENT_NODE:
     case Node::DOCUMENT_NODE:
     case Node::ELEMENT_NODE:
     case Node::PROCESSING_INSTRUCTION_NODE:
         return true;
     case Node::DOCUMENT_FRAGMENT_NODE:
     case Node::DOCUMENT_TYPE_NODE:
         return false;
     case Node::TEXT_NODE:
         return !(node->parentNode() && node->parentNode()->isAttributeNode());
     }
     ASSERT_NOT_REACHED();
     return false;
 }
 
 }
 }