Chrome Version: 59 canary
OS: All but iOS

What steps will reproduce the problem?
(1) Open http://w3c-test.org/dom/nodes/DOMImplementation-createDocument.html

What is the expected result?
No many FAILs

What happens instead?
92 Fails

Please use labels and text to provide additional information.

https://dom.spec.whatwg.org/#xmldocument
> Unless stated otherwise, a document’s encoding is the utf-8 encoding, content type is "application/xml", URL is "about:blank", ...

And https://dom.spec.whatwg.org/#dom-domimplementation-createdocument doesn't state URL.