merge_pr_57651
Add WPTs for programmatic scroll promises.
Bug: 41406914 Change-Id: I28db1b9d53652b595644c4ccda7ab7b568bcd38b Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7552833 Reviewed-by: David Awogbemila awogbemila@chromium.org Commit-Queue: Mustaq Ahmed mustaq@chromium.org Cr-Commit-Position: refs/heads/main@{#1581722}