[webkit-reviews] review requested: [Bug 161291] REGRESSION (r193286): Promise chain no longer prevent UI refresh : [Attachment 300971] Patch

[bugzilla-daemon at webkit.org]

Sam Weinig <sam at webkit.org> has asked  for review:
Bug 161291: REGRESSION (r193286): Promise chain no longer prevent UI refresh
https://bugs.webkit.org/show_bug.cgi?id=161291

Attachment 300971: Patch

https://bugs.webkit.org/attachment.cgi?id=300971&action=review