Rather than checkout and then rebase a PR (which is likely to break potential incremental builds between PRs), we should cherry-pick PR content onto HEAD, in an attempt to change less files between builds.
<rdar://problem/102790083>
Pull request: https://github.com/WebKit/WebKit/pull/6954
Committed 257193@main (8ed8d160f642): <https://commits.webkit.org/257193@main> Reviewed commits have been landed. Closing PR #6954 and removing active labels.