[webkit-reviews] review requested: [Bug 75508] Analyze stylesheet scope to minimize style recalcs : [Attachment 121038] patch

[bugzilla-daemon at webkit.org]

Antti Koivisto <koivisto at iki.fi> has asked  for review:
Bug 75508: Analyze stylesheet scope to minimize style recalcs
https://bugs.webkit.org/show_bug.cgi?id=75508

Attachment 121038: patch
https://bugs.webkit.org/attachment.cgi?id=121038&action=review

------- Additional Comments from Antti Koivisto <koivisto at iki.fi>
On engadget.com, this patch cuts the time spent in style recalcs to roughly
half. There are further savings from reduced relayouts. In total the engine CPU
time used over the page load is reduced by ~10%.