Set a bit on Custom Elements on creation to simplify wrapping

Source/core/scripts/make_names.pl

 #!/usr/bin/perl -w
 
 # Copyright (C) 2005, 2006, 2007, 2009 Apple Inc. All rights reserved.
 # Copyright (C) 2009, Julien Chaffraix <jchaffraix@webkit.org>
 # Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
 # Copyright (C) 2011 Ericsson AB. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
@@ skipping 1135 matching lines @@
 
         if ($conditional) {
             print F "#endif\n";
         }
     }
 
     print F <<END
     }
 
     Create$parameters{namespace}ElementWrapperFunction createWrapperFunction = map.get(element->localName().impl());
-    if (CustomElementHelpers::isCustomElement(element))
+    if (element->isCustomElement())
         return CustomElementHelpers::wrap(element, creationContext, isolate, CustomElementHelpers::CreateWrapperFunction(createWrapperFunction));
     if (createWrapperFunction)
     {
 END
 ;
     if ($parameters{namespace} eq "HTML") {
         print F <<END
         if (createWrapperFunction == createHTMLElementWrapper)
            return V8HTMLElement::createWrapper(element, creationContext, isolate);
 END
@@ skipping 92 matching lines @@
     }
 }
 END
 ;
     print F "#endif // $parameters{guardFactoryWith}\n\n" if $parameters{guardFactoryWith};
 
     print F "#endif // V8$parameters{namespace}ElementWrapperFactory_h\n";
 
     close F;
 }