Add controls attribute to img

[yoelhawa]

Add a new controls attribute to img that allows the user agent to add interactive user interface over the image.

• At least two implementers are interested (and none opposed):
  • WebKit
  • …
• Tests are written and can be reviewed and commented upon at:
  • Will be covered by IDL tests.
• Implementation bugs are filed:
  • Chromium: https://issues.chromium.org/issues/484367301
  • Gecko: https://bugzilla.mozilla.org/show_bug.cgi?id=2016875
• Corresponding HTML AAM & ARIA in HTML issues & PRs: New controls attribute for img element w3c/aria#2735
• MDN issue is filed: …
• The top of this comment includes a clear commit message to use.

(See WHATWG Working Mode: Changes for more details.)

---

/acknowledgements.html ( diff )
/dom.html ( diff )
/embedded-content.html ( diff )
/indices.html ( diff )

[annevk]

Looks good, nice! You also need to update img in the element index.