The purpose of the `true` value passed to `vm_protect` is not to `DisallowPermissionChangesAfterThis`, but to `UpdateMaximumPermission`. Rename the related enums accordingly to reflect this.
<rdar://problem/98710591>
Pull request: https://github.com/apple/WebKit/pull/30
Pull request: https://github.com/WebKit/WebKit/pull/3363
Committed 253481@main (50ae87b49b31): <https://commits.webkit.org/253481@main> Reviewed commits have been landed. Closing PR #3363 and removing active labels.