Split sandboxed iframe tests into two files.
This is an attempt to address the flakiness in the tests introduced by
crrev.com/5685772. Instead of creating two iframes in the same window in
and running the tests in parallel, this will run as two entirely
separate tests.
Bug: 353116462
Change-Id: I446977baf1c8fc99dec6ae85434a08e4bb4b2ccf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5756961
Reviewed-by: Chris Fredrickson cfredric@chromium.org
Auto-Submit: Erica Kovac ekovac@google.com
Commit-Queue: Erica Kovac ekovac@google.com
Reviewed-by: Dylan Cutler dylancutler@google.com
Cr-Commit-Position: refs/heads/main@{#1337428}