Step 9.1 of https://html.spec.whatwg.org/#dom-open says:
If the result of splitting features on commas contains the token "noopener", then disown target browsing context's opener and return null.
We should implement this feature to compliment our support for rel=noopener on a and area elements.
added in https://github.com/w3c/web-platform-tests/pull/5131
Created attachment 305008 [details]
Created attachment 305019 [details]
Reuploading patch for ews
Comment on attachment 305008 [details]
Clearing flags on attachment: 305008
Committed r214251: <http://trac.webkit.org/changeset/214251>
All reviewed patches have been landed. Closing bug.