[webkit-reviews] review requested: [Bug 220711] Optimize :hover/:active style invalidation for deep trees and descendant selectors : [Attachment 417840] patch

[bugzilla-daemon at webkit.org]

Antti Koivisto <koivisto at iki.fi> has asked  for review:
Bug 220711: Optimize :hover/:active style invalidation for deep trees and
descendant selectors
https://bugs.webkit.org/show_bug.cgi?id=220711

Attachment 417840: patch

https://bugs.webkit.org/attachment.cgi?id=417840&action=review