GitLab

This CL replaces deprecated base::SharedMemory and
base::SharedMemoryHandle classes with the new classes for shared memory.

Bug: None
Change-Id: I96073aef72ecd56153fcc49d96f0ab526003f3ef
Reviewed-on: https://chromium-review.googlesource.com/c/1296537
Commit-Queue: Alexandr Ilin <alexilin@chromium.org>
Reviewed-by: Michael Wasserman <msw@chromium.org>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#602376}