Re: [csswg-drafts] [css-images-4] object-* properties and the iframe element (#7143)

FWIW: if there are security concerns & restrictions-needed for `iframe`, then it's probably worth considering `embed` and `object` at the same time.

Those are both replaced elements where these new `object-*` properties would presumably apply, where existing object-fit and object-position definitely have an effect (at least when pointed at an image file), per https://wpt.fyi/results/css/css-images/object-fit-contain-png-001e.html and https://wpt.fyi/results/css/css-images/object-fit-contain-png-001o.html .

And of course: like `iframe`, these replaced elements can view HTML content, as shown by e.g.:
```
data:text/html,<embed src="https://example.org">

data:text/html,<object data="https://example.org">
```


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Received on Friday, 25 March 2022 21:40:27 UTC