[webkit-reviews] review requested: [Bug 91486] A shadow element in ShadowDOM of a button element does not work. : [Attachment 159617] Patch

[bugzilla-daemon at webkit.org]

Shinya Kawanaka <shinyak at chromium.org> has asked  for review:
Bug 91486: A shadow element in ShadowDOM of a button element does not work.
https://bugs.webkit.org/show_bug.cgi?id=91486

Attachment 159617: Patch
https://bugs.webkit.org/attachment.cgi?id=159617&action=review