In particular, see the JavaField constructors and convertNPVariantToJavaValue()
Created attachment 100371 [details] Patch
Comment on attachment 100371 [details] Patch Attachment 100371 [details] did not pass mac-ews (mac): Output: http://queues.webkit.org/results/9013481
Created attachment 100449 [details] Patch
Created attachment 103361 [details] Patch
The relevant code in convertNPVariantToJavaValue() was moved to javaValueToJvalue() and then removed in http://trac.webkit.org/changeset/92659
Comment on attachment 103361 [details] Patch Clearing flags on attachment: 103361 Committed r92689: <http://trac.webkit.org/changeset/92689>
All reviewed patches have been landed. Closing bug.