[webkit-reviews] review requested: [Bug 77931] Element should be able to have multiple shadow roots. : [Attachment 129212] Patch

[bugzilla-daemon at webkit.org]

Shinya Kawanaka <shinyak at chromium.org> has asked  for review:
Bug 77931: Element should be able to have multiple shadow roots.
https://bugs.webkit.org/show_bug.cgi?id=77931

Attachment 129212: Patch
https://bugs.webkit.org/attachment.cgi?id=129212&action=review