merge_pr_50504

IDB WPTs: Extend several IDB WPTs to run on workers (Part 6)

This set of IndexedDB WPTs currently only run in a window environment.
This change extends them to also run in dedicated, shared, and service
worker environments.

Bug: 41455766
Change-Id: Ib2f12949b1bcaeeab9105efbc936d78804505b91
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6221485
Reviewed-by: Steve Becker [email protected]
Commit-Queue: Rahul Singh [email protected]
Cr-Commit-Position: refs/heads/main@{#1415900}