GitLab

A gbm_device must be closed using gbm_destroy_device(); this CL
introduces ScopedGbmDevice with a custom deleter that does just
that, and uses it in the place where it's needed now -- I'll also
use it in crrev.com/c/1635929 imminently.

Bug: 970923
Change-Id: I954c1f4bfdf0d6ca8ef91f336eb21fc2d255ee6f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1643684
Commit-Queue: Miguel Casas <mcasas@chromium.org>
Reviewed-by: Daniele Castagna <dcastagna@chromium.org>
Reviewed-by: Daniel Nicoara <dnicoara@chromium.org>
Cr-Commit-Position: refs/heads/master@{#666346}