This is a remnant of when HandleSet contained things that needed to be finalized. WeakSet handles all of this now.
(In reply to comment #0) > WeakSet handles all of this now. No pun intended :-)
Created attachment 226466 [details] Patch
Comment on attachment 226466 [details] Patch r=me
Committed r165490: <http://trac.webkit.org/changeset/165490>
Comment on attachment 226466 [details] Patch Clearing review flag.