[whatwg/xhr] Replace Feature Policy integration with Document Policy. (#295)

<!--
Thank you for contributing to the XMLHttpRequest Standard! Please describe the change you are making and complete the checklist below if your change is not editorial.
-->

- [x] At least two implementers are interested (and none opposed):
   * Chrome: https://github.com/w3c/webappsec-permissions-policy/issues/410#issuecomment-718487539

   * Mozilla: https://github.com/w3c/webappsec-permissions-policy/issues/410#issuecomment-718296128

- [ ] [Tests](https://github.com/web-platform-tests/wpt) are written and can be reviewed and commented upon at:
   * …
- [ ] [Implementation bugs](https://github.com/whatwg/meta/blob/master/MAINTAINERS.md#handling-pull-requests) are filed:
   * Chrome: …
   * Firefox: …
   * Safari: …

(See [WHATWG Working Mode: Changes](https://whatwg.org/working-mode#changes) for more details.)


<!--
    This comment and the below content is programatically generated.
    You may add a comma-separated list of anchors you'd like a
    direct link to below (e.g. #idl-serializers, #idl-sequence):

    Don't remove this comment or modify anything below this line.
    If you don't want a preview generated for this pull request,
    just replace the whole of this comment's content by "no preview"
    and remove what's below.
-->
***
<a href="https://whatpr.org/xhr/295.html" title="Last updated on Nov 6, 2020, 6:29 PM UTC (fa51de9)">Preview</a> | <a href="https://whatpr.org/xhr/295/17980b7...fa51de9.html" title="Last updated on Nov 6, 2020, 6:29 PM UTC (fa51de9)">Diff</a>
You can view, comment on, or merge this pull request online at:

  https://github.com/whatwg/xhr/pull/295


-- Commit Summary --

  * Replace Feature Policy integration with Document Policy.

-- File Changes --

    M xhr.bs (48)

-- Patch Links --

https://github.com/whatwg/xhr/pull/295.patch

https://github.com/whatwg/xhr/pull/295.diff


-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/whatwg/xhr/pull/295