SSIA Blink Merge: https://src.chromium.org/viewvc/blink?view=revision&revision=159814 As per 1-1 on Slack with Eric, it should be OK to merge it despite having only one call to 'setPlayRate'. Thanks!
PR - https://github.com/WebKit/WebKit/pull/18623
Committed 268865@main (4f53db6c7268): <https://commits.webkit.org/268865@main> Reviewed commits have been landed. Closing PR #18623 and removing active labels.
<rdar://problem/116480829>