Corentin Wallez 0d52f800a1 Implement Buffer::MapAsync
MapAsync in dawn_native is fully implemented and only missing
a couple cleanups that can be done once MapRead/WriteAsync are
removed.

MapAsync in dawn_wire is left as a pure shim on top of
MapRead/WriteAsync and will be transitioned to its own commands
in follow-ups.

All MapRead/WriteAsync end2end and validation tests are duplicated
for MapAsync.

Bug: dawn:445

Change-Id: Ib1430b9257149917be19a84f13e0ddd2a8eccc32
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/24260
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Stephen White <senorblanco@chromium.org>
2020-07-14 12:30:14 +00:00
..
2020-07-14 12:30:14 +00:00