Automatic update from web-platform-tests Ensure XMLDocumentParser doesn't hit a nullptr isolate while parsing a fragment Bug: 376320342 Change-Id: I2be68f5bab0158121abf82aea1f5b6b71fab585c Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6003358 Auto-Submit: Nate Chapin <japhet@chromium.org> Reviewed-by: Joey Arhar <jarhar@chromium.org> Commit-Queue: Joey Arhar <jarhar@chromium.org> Commit-Queue: Nate Chapin <japhet@chromium.org> Cr-Commit-Position: refs/heads/main@{#1379994} -- wpt-commits: 1b37e8e3d227ee4267f4863e6a99c1a83efa7769 wpt-pr: 49037