[webkit-reviews] review requested: [Bug 71499] Only walk up the tree in search of MutationObservers if one has been added : [Attachment 113922] Slightly cleaner

[bugzilla-daemon at webkit.org]

Adam Klein <adamk at chromium.org> has asked  for review:
Bug 71499: Only walk up the tree in search of MutationObservers if one has been
added
https://bugs.webkit.org/show_bug.cgi?id=71499

Attachment 113922: Slightly cleaner
https://bugs.webkit.org/attachment.cgi?id=113922&action=review