Rename childNodeCount() / childNode() methods for clarity

Source/core/rendering/RenderReplaced.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011-2012. 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.
@@ skipping 583 matching lines @@
     if (s == SelectionNone)
         return false;
     if (s == SelectionInside)
         return true;
 
     int selectionStart, selectionEnd;
     selectionStartEnd(selectionStart, selectionEnd);
     if (s == SelectionStart)
         return selectionStart == 0;
 
-    int end = node()->hasChildNodes() ? node()->childNodeCount() : 1;
+    int end = node()->hasChildren() ? node()->countChildren() : 1;
     if (s == SelectionEnd)
         return selectionEnd == end;
     if (s == SelectionBoth)
         return selectionStart == 0 && selectionEnd == end;
 
     ASSERT(0);
     return false;
 }
 
 LayoutRect RenderReplaced::clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const
@@ skipping 14 matching lines @@
 
     if (style()) {
         if (v)
             r.inflate(style()->outlineSize());
     }
     computeRectForRepaint(repaintContainer, r);
     return r;
 }
 
 }