Web Inspector: Significant scroll speed degradation if Timeline has an expanded record with significant number of children.
Created attachment 51521 [details] [patch] Nonvisible parrents will be skipped.
Created attachment 51523 [details] [patch] Non visible parrents will be skipped. previous patch was incorrect.
Comment on attachment 51523 [details] [patch] Non visible parrents will be skipped. Clearing flags on attachment: 51523 Committed r56467: <http://trac.webkit.org/changeset/56467>
All reviewed patches have been landed. Closing bug.