web-platform-tests/wpt merge_pr_47877

on GitHub

DOM: Implement the Observable#catch() operator

See WICG/observable#172.

R=masonf@chromium.org

Bug: 40282760
Change-Id: I6b117b34ddcbed0a7ac18d4c66121350b0e864c2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5823731
Commit-Queue: Dominic Farolino dom@chromium.org
Reviewed-by: Mason Freed masonf@chromium.org
Cr-Commit-Position: refs/heads/main@{#1348932}