[webkit-reviews] review requested: [Bug 88299] A style in an older shadow subtree causes assert when composing with <shadow/> : [Attachment 146199] Patch

[bugzilla-daemon at webkit.org]

Hajime Morrita <morrita at google.com> has asked  for review:
Bug 88299: A style in an older shadow subtree causes assert when composing with
<shadow/>
https://bugs.webkit.org/show_bug.cgi?id=88299

Attachment 146199: Patch
https://bugs.webkit.org/attachment.cgi?id=146199&action=review