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

Source/weborigin/SecurityPolicy.cpp

 /*
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 119 matching lines @@
         return;
 
     String sourceString = sourceOrigin.toString();
     OriginAccessMap& map = originAccessMap();
     OriginAccessMap::iterator it = map.find(sourceString);
     if (it == map.end())
         return;
 
     OriginAccessWhiteList* list = it->value.get();
     size_t index = list->find(OriginAccessEntry(destinationProtocol, destinationDomain, allowDestinationSubdomains ? OriginAccessEntry::AllowSubdomains : OriginAccessEntry::DisallowSubdomains));
-    if (index == notFound)
+    if (index == kNotFound)
         return;
 
     list->remove(index);
 
     if (list->isEmpty())
         map.remove(it);
 }
 
 void SecurityPolicy::resetOriginAccessWhitelists()
 {
     ASSERT(isMainThread());
     originAccessMap().clear();
 }
 
 } // namespace WebCore