[webkit-reviews] review requested: [Bug 142227] prepare content extensions for css selectors : [Attachment 247786] Patch

[bugzilla-daemon at webkit.org]

Alex Christensen <achristensen at apple.com> has asked  for review:
Bug 142227: prepare content extensions for css selectors
https://bugs.webkit.org/show_bug.cgi?id=142227

Attachment 247786: Patch

https://bugs.webkit.org/attachment.cgi?id=247786&action=review