[webkit-reviews] review requested: [Bug 163212] Support scoped style for user agent shadow trees : [Attachment 291346] patch

[bugzilla-daemon at webkit.org]

Antti Koivisto <koivisto at iki.fi> has asked  for review:
Bug 163212: Support scoped style for user agent shadow trees
https://bugs.webkit.org/show_bug.cgi?id=163212

Attachment 291346: patch

https://bugs.webkit.org/attachment.cgi?id=291346&action=review