These were deprecated in 7.8 via:
https://chromium-review.googlesource.com/c/v8/v8/+/1735316

Use Detach() instead.

Bug: chromium:913887, v8:9396
Change-Id: I7d0b0c0273188c99f5afee18d4880852f5e59d10
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1801850
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Auto-Submit: Peter Marshall <petermarshall@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63748}