RESOLVED FIXED 248569
Support ::backdrop renderers on all elements 
https://bugs.webkit.org/show_bug.cgi?id=248569
Summary Support ::backdrop renderers on all elements
Tim Nguyen (:ntim)
Reported 2022-11-30 15:58:11 PST
Some renderers don't expect extra children like RenderVideo, which causes the ::backdrop to not be laid out. We could fix all renderers to lay out children, but that's probably unnecessary complexity and it's likely to miss certain cases. So let's append all ::backdrop to the RenderView whenever we can.
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Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2022-11-30 15:59:05 PST
<rdar://problem/102833504>
Tim Nguyen (:ntim)
Comment 2 2022-11-30 16:00:52 PST
Pull request: https://github.com/WebKit/WebKit/pull/6997
Tim Nguyen (:ntim)
Comment 3 2022-11-30 19:05:17 PST
Pull request: https://github.com/WebKit/WebKit/pull/7005
EWS
Comment 4 2022-12-03 16:11:47 PST
Committed 257337@main (fc7f34162f24): <https://commits.webkit.org/257337@main> Reviewed commits have been landed. Closing PR #7005 and removing active labels.
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