[webkit-reviews] review requested: [Bug 13021] XPath can be very slow : [Attachment 13642] partial fix 2 v2

[bugzilla-request-daemon at macosforge.org]

Alexey Proskuryakov <ap at webkit.org> has asked  for review:
Bug 13021: XPath can be very slow
http://bugs.webkit.org/show_bug.cgi?id=13021

Attachment 13642: partial fix 2 v2
http://bugs.webkit.org/attachment.cgi?id=13642&action=edit

------- Additional Comments from Alexey Proskuryakov <ap at webkit.org>
Backed out the changes to EvaluationContext - I forgot about custom namespace
resolvers that can do anything when called.