I believe that we fiddle these for Resist Fingerprinting; can you ensure
the new values are similarly fiddled?

-tom

On Tue, Oct 16, 2018 at 10:02 PM Emilio Cobos Álvarez <emi...@crisal.io>
wrote:

> (Trying to be more disciplined about pinging dev-platform@ about
> web-exposed changes, a few other emails will come up in a bit)
>
> Summary:
> I plan to add the screenLeft and screenTop properties to the window, as
> aliases of screenX and screenY respectively, mostly for compat with
> other engines.
>
> See https://github.com/w3c/csswg-drafts/issues/1091 for all the context.
>
> Basically all other engines support it except Gecko.
>
> Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1498860
>
> It's not in the spec yet, but there's a spec PR adding it waiting on
> tests to be merged:
>
>    https://github.com/w3c/csswg-drafts/pull/2669
>
> Platform coverage: All
>
> Estimated or target release: 64
>
> Preference behind which this will be implemented: none
>
> Is this feature enabled by default in sandboxed iframes? Yes
>
> DevTools bug: N/A
>
> web-platform-tests: https://github.com/web-platform-tests/wpt/pull/13543
>
> I've verified that my implementation passes them of course, with the fix
> to them I've suggested in the review.
>
> Is this feature restricted to secure contexts? No, this is a legacy
> interop issue and as such I don't think there's any point in restricting
> it to secure contexts since the aliased properties are exposed everywhere.
>
>   -- Emilio
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> dev-platform@lists.mozilla.org
> https://lists.mozilla.org/listinfo/dev-platform
>
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