WTF::notFound looks too much like a local variable.

Source/core/svg/SVGURIReference.cpp

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  *
  * 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 28 matching lines @@
 }
 
 bool SVGURIReference::isKnownAttribute(const QualifiedName& attrName)
 {
     return attrName.matches(XLinkNames::hrefAttr);
 }
 
 String SVGURIReference::fragmentIdentifierFromIRIString(const String& url, const Document& document)
 {
     size_t start = url.find('#');
-    if (start == notFound)
+    if (start == kNotFound)
         return emptyString();
 
     KURL base = start ? KURL(document.baseURI(), url.substring(0, start)) : document.baseURI();
     if (equalIgnoringFragmentIdentifier(base, document.url()))
         return url.substring(start + 1);
 
     return emptyString();
 }
 
 static inline KURL urlFromIRIStringWithFragmentIdentifier(const String& url, const Document& document, String& fragmentIdentifier)
 {
     size_t startOfFragmentIdentifier = url.find('#');
-    if (startOfFragmentIdentifier == notFound)
+    if (startOfFragmentIdentifier == kNotFound)
         return KURL();
 
     // Exclude the '#' character when determining the fragmentIdentifier.
     fragmentIdentifier = url.substring(startOfFragmentIdentifier + 1);
     if (startOfFragmentIdentifier) {
         KURL base(document.baseURI(), url.substring(0, startOfFragmentIdentifier));
         return KURL(base, url.substring(startOfFragmentIdentifier));
     }
 
     return KURL(document.baseURI(), url.substring(startOfFragmentIdentifier));
@@ skipping 25 matching lines @@
 
     return document.getElementById(id);
 }
 
 void SVGURIReference::addSupportedAttributes(HashSet<QualifiedName>& supportedAttributes)
 {
     supportedAttributes.add(XLinkNames::hrefAttr);
 }
 
 }