Rename childNodeCount() / childNode() methods for clarity

Source/core/rendering/TextAutosizer.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 476 matching lines @@
 {
     // "Autosizing containers" are the smallest unit for which we can
     // enable/disable Text Autosizing.
     // - Must not be inline, as different multipliers on one line looks terrible.
     //   Exceptions are inline-block and alike elements (inline-table, -webkit-inline-*),
     //   as they often contain entire multi-line columns of text.
     // - Must not be list items, as items in the same list should look consistent (*).
     // - Must not be normal list items, as items in the same list should look
     //   consistent, unless they are floating or position:absolute/fixed.
     Node* node = renderer->generatingNode();
-    if ((node && !node->hasChildNodes())
+    if ((node && !node->hasChildren())
         || !renderer->isRenderBlock()
         || (renderer->isInline() && !renderer->style()->isDisplayReplacedType()))
         return false;
     if (renderer->isListItem())
         return renderer->isFloating() || renderer->isOutOfFlowPositioned();
     // Avoid creating containers for text within text controls, buttons, or <select> buttons.
     Node* parentNode = renderer->parent() ? renderer->parent()->generatingNode() : 0;
     if (parentNode && parentNode->isElementNode() && formInputTags().contains(toElement(parentNode)->tagQName()))
         return false;
 
@@ skipping 327 matching lines @@
         if (i + 1 < clusterInfos.size()) {
             float currentWidth = clusterInfos[i].root->contentLogicalWidth();
             float nextWidth = clusterInfos[i + 1].root->contentLogicalWidth();
             if (currentWidth - nextWidth > maxWidthDifferenceWithinGroup)
                 groups.grow(groups.size() + 1);
         }
     }
 }
 
 } // namespace WebCore