I mistakenly treated TestReportBody as a public JS type that could be exposed to the web and created by JS code. This isn't right. It's just a class-cluster implementation behind ReportBody, and should not itself be exposed (just the generic ReportBody type). This patch fixes that.
<rdar://problem/99664743>
Pull request: https://github.com/WebKit/WebKit/pull/4110
Committed 254261@main (7c5cd05f49f9): <https://commits.webkit.org/254261@main> Reviewed commits have been landed. Closing PR #4110 and removing active labels.