[webkit-reviews] review requested: [Bug 72316] [MutationObservers] Add histogram collection for usage of DOM Mutation Events : [Attachment 115048] Patch

[bugzilla-daemon at webkit.org]

Rafael Weinstein <rafaelw at chromium.org> has asked  for review:
Bug 72316: [MutationObservers] Add histogram collection for usage of DOM
Mutation Events
https://bugs.webkit.org/show_bug.cgi?id=72316

Attachment 115048: Patch
https://bugs.webkit.org/attachment.cgi?id=115048&action=review