ssia
<rdar://problem/48664258>
Created attachment 363842 [details] Patch
Created attachment 363891 [details] Patch
Created attachment 363978 [details] Patch
Committed r242630: <https://trac.webkit.org/changeset/242630>
Comment on attachment 363978 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=363978&action=review > LayoutTests/fast/events/touch/ios/content-observation/visibility-change-on-touch-start-simple.html:45 > + setTimeout(testRunner.notifyDone(), 0); () => testRunner.notifyDone()...?