in bug 268796, we kept only a single NativePromiseInterface::currentTime() implementation. We can do the same for the duration.
<rdar://problem/122743525>
Pull request: https://github.com/WebKit/WebKit/pull/24233
Committed 274449@main (2178ec4c5a01): <https://commits.webkit.org/274449@main> Reviewed commits have been landed. Closing PR #24233 and removing active labels.