Rename childNodeCount() / childNode() methods for clarity

Source/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 865 matching lines @@
 }
 
 void Node::clearNodeLists()
 {
     rareData()->clearNodeLists();
 }
 
 bool Node::isDescendantOf(const Node *other) const
 {
     // Return true if other is an ancestor of this, otherwise false
-    if (!other || !other->hasChildNodes() || inDocument() != other->inDocument())
+    if (!other || !other->hasChildren() || inDocument() != other->inDocument())
         return false;
     if (other->treeScope() != treeScope())
         return false;
     if (other->isTreeScope())
         return !isTreeScope();
     for (const ContainerNode* n = parentNode(); n; n = n->parentNode()) {
         if (n == other)
             return true;
     }
     return false;
@@ skipping 13 matching lines @@
 
     if (this == node)
         return true;
 
     if (document() != node->document())
         return false;
 
     if (inDocument() != node->inDocument())
         return false;
 
-    bool hasChildren = isContainerNode() && toContainerNode(this)->hasChildNodes();
+    bool hasChildren = isContainerNode() && toContainerNode(this)->hasChildren();
     bool hasShadow = isElementNode() && toElement(this)->shadow();
     if (!hasChildren && !hasShadow)
         return false;
 
     for (; node; node = node->shadowHost()) {
         if (treeScope() == node->treeScope())
             return contains(node);
     }
 
     return false;
@@ skipping 1623 matching lines @@
         node->showTreeForThis();
 }
 
 void showNodePath(const WebCore::Node* node)
 {
     if (node)
         node->showNodePathForThis();
 }
 
 #endif