Financial-Times/polyfill-service — pull request #142 by triblondon (2014-10-24 17:51:01+00:00)
Title: Refactor XMLHTTPRequest:

- Not a property of the Window prototype, so rename.
- Move the IE7 special case inside the main polyfill, for simplicity

It still doesn't work for me in IE8 because it depends on addEventListener, which we don't have a polyfill for (I think?!)