[webkit-reviews] review requested: [Bug 3652] add support for link prefetching : [Attachment 58656] Following abarth's review comments

[bugzilla-daemon at webkit.org]

Leon Clarke <leonclarke at google.com> has asked  for review:
Bug 3652: add support for link prefetching
https://bugs.webkit.org/show_bug.cgi?id=3652

Attachment 58656: Following abarth's review comments
https://bugs.webkit.org/attachment.cgi?id=58656&action=review

------- Additional Comments from Leon Clarke <leonclarke at google.com>
Also incorporates Gavin Peters' patch to add a new TargetType