[webkit-reviews] review requested: [Bug 63100] Add BeforeChildren and AfterChildren to the Position's anchor types : [Attachment 98199] updated after 89440

[bugzilla-daemon at webkit.org]

Ryosuke Niwa <rniwa at webkit.org> has asked  for review:
Bug 63100: Add BeforeChildren and AfterChildren to the Position's anchor types
https://bugs.webkit.org/show_bug.cgi?id=63100

Attachment 98199: updated after 89440
https://bugs.webkit.org/attachment.cgi?id=98199&action=review