[webkit-reviews] review requested: [Bug 105474] [Shadow DOM] Inserting a shadow host into its own shadow crashes : [Attachment 180695] Patch

[bugzilla-daemon at webkit.org]

Shinya Kawanaka <shinyak at chromium.org> has asked  for review:
Bug 105474: [Shadow DOM] Inserting a shadow host into its own shadow crashes
https://bugs.webkit.org/show_bug.cgi?id=105474

Attachment 180695: Patch
https://bugs.webkit.org/attachment.cgi?id=180695&action=review