Emilio Cobos Álvarez 8a9cac4917 Bug 1662277 - Make IntersectionObserver entries have the same timestamp as other timestamp-returning things during the "update the rendering steps". r=sefeng
This is per spec, see the link in the test. I wouldn't see much point on
doing this for IntersectionObserver on its own, see:

  https://bugzilla.mozilla.org/show_bug.cgi?id=1518999#c28

Though I see the point of doing this for the paint timing API, and I
guess for consistency we should do it here too.

Differential Revision: https://phabricator.services.mozilla.com/D88926
2020-09-01 15:02:54 +00:00
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