[ElementTiming] Do not expose elements in Shadow Trees #16939
Merged
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We initially exposed these elements but this seems to break design
invariants. It is still unclear what we can do with elements in shadow
trees, but for now it is safest to not expose them at all.
Relevant threads:
WICG/element-timing#3
WICG/webcomponents#816
Bug: 879270
Change-Id: Id4c0d65e0f0e086c6c6dfa29cc019a4c1ef6ab1f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1622470
Reviewed-by: Chris Harrelson <[email protected]>
Commit-Queue: Nicolás Peña Moreno <[email protected]>
Cr-Commit-Position: refs/heads/master@{#662391}