Natasha Lee 351c95a477 Refactor Serial tracking to be owned by Device frontend.
Move mCompletedSerial and mLastSubmittedSerial to Device frontend and
add getters and setters for the device backend to access such.
This is to aid the Device in taking more ownership of Serials and Ticking.

Bug: dawn:400
Change-Id: Ifa53ac294a871e484716842a3d212373b57847c4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/20480
Commit-Queue: Natasha Lee <natlee@microsoft.com>
Reviewed-by: Austin Eng <enga@chromium.org>
2020-05-07 21:52:54 +00:00
..
2020-03-13 23:51:50 +00:00