Do the same migration for WebKitLegacy as was done for WebKit in https://bugs.webkit.org/show_bug.cgi?id=251635.
Pull request: https://github.com/WebKit/WebKit/pull/10488
Committed 260718@main (961540b8e2ee): <https://commits.webkit.org/260718@main> Reviewed commits have been landed. Closing PR #10488 and removing active labels.
<rdar://problem/105811122>