Scheduling a navigation to a Blob URL should keep the URL alive until the navigation actually occurs.
Pull request: https://github.com/WebKit/WebKit/pull/3308
Committed 253435@main (568ffc6e49ba): <https://commits.webkit.org/253435@main> Reviewed commits have been landed. Closing PR #3308 and removing active labels.
<rdar://problem/98683543>