Roll Dawn from 1c9e0450240d to b231c7fb717d (1 revision)

https://dawn.googlesource.com/dawn.git/+log/1c9e0450240d..b231c7fb717d

2020-06-29 cwallez@chromium.org Null: Make Increment/DecrementMemoryUsage use uint64_t.

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dawn-chromium-autoroll
Please CC cwallez@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Cq-Include-Trybots: luci.chromium.try:dawn-linux-x64-deps-rel;luci.chromium.try:dawn-mac-x64-deps-rel;luci.chromium.try:dawn-win10-x64-deps-rel;luci.chromium.try:dawn-win10-x86-deps-rel
Bug: chromium:1099621
Tbr: cwallez@google.com
Change-Id: I3050e3ea52dff1211e7737b3aa58db883433875d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2274651Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#783816}

DEPS

@@ -311,7 +311,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'dawn_revision': '1c9e0450240d6ddce49d373f3ab38f33796708d7',
+  'dawn_revision': 'b231c7fb717d13dc5b15f4ab34527cff198fd17b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.