GitLab

Use the underlying handle size when wrapping a legacy shared memory instance.

Bug: 849207
Change-Id: Ibbf62ebbea5a95d64d84a0faf2042f639be5b820
Reviewed-on: https://chromium-review.googlesource.com/1118268Reviewed-by: Alexandr Ilin <alexilin@chromium.org>
Reviewed-by: Dan Sanders <sandersd@chromium.org>
Commit-Queue: Matthew Cary <mattcary@chromium.org>
Cr-Commit-Position: refs/heads/master@{#571846}