Rename childNodeCount() / childNode() methods for clarity

Source/web/WebNode.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 109 matching lines @@
     return WebNode(m_private->previousSibling());
 }
 
 WebNode WebNode::nextSibling() const
 {
     return WebNode(m_private->nextSibling());
 }
 
 bool WebNode::hasChildNodes() const
 {
-    return m_private->hasChildNodes();
+    return m_private->hasChildren();
 }
 
 WebNodeList WebNode::childNodes()
 {
     return WebNodeList(m_private->childNodes());
 }
 
 WebString WebNode::createMarkup() const
 {
     return WebCore::createMarkup(m_private.get());
@@ skipping 125 matching lines @@
     m_private = node;
     return *this;
 }
 
 WebNode::operator PassRefPtr<Node>() const
 {
     return m_private.get();
 }
 
 } // namespace blink