[webkit-reviews] review requested: [Bug 154481] Use more concrete types for parsing positions : [Attachment 271825] Patch

[bugzilla-daemon at webkit.org]

Simon Fraser (smfr) <simon.fraser at apple.com> has asked	for review:
Bug 154481: Use more concrete types for parsing positions
https://bugs.webkit.org/show_bug.cgi?id=154481

Attachment 271825: Patch

https://bugs.webkit.org/attachment.cgi?id=271825&action=review