The configuration was only enabled behind
  `cppgc_enable_object_names = true`

Bug: chromium:1321620
Change-Id: Id762a0603e6788ad218cc367b44c71a5c0f48e95
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3769827
Commit-Queue: Omer Katz <omerkatz@chromium.org>
Reviewed-by: Omer Katz <omerkatz@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Auto-Submit: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81769}