Next step now that we have ShorthandSerializer is to move it into its own file.
<rdar://problem/104586227>
Pull request: https://github.com/WebKit/WebKit/pull/9207
Committed 259519@main (4ec904bfc2b0): <https://commits.webkit.org/259519@main> Reviewed commits have been landed. Closing PR #9207 and removing active labels.