It doesn't need to implement its own iteration logic, if we refactor a bit.

BUG=v8:10425

Change-Id: I9b33911c2fab9ac85cae847473dbef0c2e88ea96
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2153224Reviewed-by: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Sathya Gunasekaran  <gsathya@chromium.org>
Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67232}