[webkit-reviews] review requested: [Bug 155107] defineElement should upgrade existing unresolved custom elements : [Attachment 273170] Patch

[bugzilla-daemon at webkit.org]

Ryosuke Niwa <rniwa at webkit.org> has asked  for review:
Bug 155107: defineElement should upgrade existing unresolved custom elements
https://bugs.webkit.org/show_bug.cgi?id=155107

Attachment 273170: Patch

https://bugs.webkit.org/attachment.cgi?id=273170&action=review