[webkit-reviews] review requested: [Bug 74563] Optimize MutationObserverInterestGroup construction : [Attachment 119338] Patch

[bugzilla-daemon at webkit.org]

Adam Klein <adamk at chromium.org> has asked  for review:
Bug 74563: Optimize MutationObserverInterestGroup construction
https://bugs.webkit.org/show_bug.cgi?id=74563

Attachment 119338: Patch
https://bugs.webkit.org/attachment.cgi?id=119338&action=review