Performance should not fire events when its context is stopped
Created attachment 362091 [details] Patch
See rdar://problem/47697857
Comment on attachment 362091 [details] Patch Clearing flags on attachment: 362091 Committed r241598: <https://trac.webkit.org/changeset/241598>
All reviewed patches have been landed. Closing bug.
<rdar://problem/48117345>