Rename childNodeCount() / childNode() methods for clarity

Source/core/inspector/DOMPatchSupport.cpp

 /*
  * Copyright (C) 2012 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 358 matching lines @@
     // 2. Patch nodes marked for merge.
     for (HashMap<Digest*, Digest*>::iterator it = merges.begin(); it != merges.end(); ++it) {
         if (!innerPatchNode(it->value, it->key, exceptionState))
             return false;
     }
 
     // 3. Insert missing nodes.
     for (size_t i = 0; i < newMap.size(); ++i) {
         if (newMap[i].first || merges.contains(newList[i].get()))
             continue;
-        if (!insertBeforeAndMarkAsUsed(parentNode, newList[i].get(), parentNode->childNode(i), exceptionState))
+        if (!insertBeforeAndMarkAsUsed(parentNode, newList[i].get(), parentNode->traverseToChildAt(i), exceptionState))
             return false;
     }
 
     // 4. Then put all nodes that retained into their slots (sort by new index).
     for (size_t i = 0; i < oldMap.size(); ++i) {
         if (!oldMap[i].first)
             continue;
         RefPtr<Node> node = oldMap[i].first->m_node;
-        Node* anchorNode = parentNode->childNode(oldMap[i].second);
+        Node* anchorNode = parentNode->traverseToChildAt(oldMap[i].second);
         if (node.get() == anchorNode)
             continue;
         if (node->hasTagName(bodyTag) || node->hasTagName(headTag))
             continue; // Never move head or body, move the rest of the nodes around them.
 
         if (!m_domEditor->insertBefore(parentNode, node.release(), anchorNode, exceptionState))
             return false;
     }
     return true;
 }
@@ skipping 107 matching lines @@
 void DOMPatchSupport::dumpMap(const ResultMap& map, const String& name)
 {
     fprintf(stderr, "\n\n");
     for (size_t i = 0; i < map.size(); ++i)
         fprintf(stderr, "%s[%lu]: %s (%p) - [%lu]\n", name.utf8().data(), i, map[i].first ? nodeName(map[i].first->m_node).utf8().data() : "", map[i].first, map[i].second);
 }
 #endif
 
 } // namespace WebCore