Create WPT for cross-partition blob URL fetching
Bug: 351867689
Change-Id: I212d4d67ba9698363adde1d61be90d7fc4f33463
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5749721
Reviewed-by: Kyra Seevers kyraseevers@chromium.org
Reviewed-by: Andrew Williams awillia@chromium.org
Commit-Queue: Kyra Seevers kyraseevers@chromium.org
Auto-Submit: Janice Liu janiceliu@chromium.org
Cr-Commit-Position: refs/heads/main@{#1336107}