Handle OOM scenario serializing session state data While we continue to explore why this is happening, handling it gracefully seems better than crashing. rdar://90025974
Pull request: https://github.com/WebKit/WebKit/pull/1606
Committed r295650 (251655@main): <https://commits.webkit.org/251655@main> Reviewed commits have been landed. Closing PR #1606 and removing active labels.