It allow us to notify the API layer when the bf list changes.
Created attachment 194478 [details] Patch
Comment on attachment 194478 [details] Patch It is great that you were able to get rid of the ugly custom invalidation code, thanks!
Comment on attachment 194478 [details] Patch Clearing flags on attachment: 194478 Committed r146597: <http://trac.webkit.org/changeset/146597>
All reviewed patches have been landed. Closing bug.