We should not be using the pool allocator for destructable objects.

BUG=None

Change-Id: I89236b28f04bd9b7095056edbda4172dbbfe9586
Reviewed-on: https://chromium-review.googlesource.com/340362Reviewed-by: Olli Etuaho <oetuaho@nvidia.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>