PageTransitionEvent should have a constructor (Spec: http://www.whatwg.org/specs/web-apps/current-work/#pagetransitionevent). After this patch is landed, I will add the PageTransitionEvent constructor for V8 as a follow-up patch.
Created attachment 107274 [details] Patch
Comment on attachment 107274 [details] Patch Clearing flags on attachment: 107274 Committed r95079: <http://trac.webkit.org/changeset/95079>
All reviewed patches have been landed. Closing bug.