This allows deserialization to fail if the buffer is not large enough.
Before, we simply assumed the buffer was at least the size of
WGPUDeviceProperties.
Bug: none
Change-Id: I24e1f84c583f48d4e32c35276e5508e257e9f530
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/39861
Auto-Submit: Austin Eng <enga@chromium.org>
Reviewed-by: Stephen White <senorblanco@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>