We should use Twisted's deferred to communicate with commits.webkit.org in order to not block the main thread. We should also use Twisted's deferred when sleeping in code near the code that communicates with commits.webkit.org.
<rdar://problem/103269096>
Pull request: https://github.com/WebKit/WebKit/pull/7507
Committed 258032@main (eb4a573dc732): <https://commits.webkit.org/258032@main> Reviewed commits have been landed. Closing PR #7507 and removing active labels.