Roll Dawn from 546a7c98c897 to 3cd31e647c7d (1 revision)

https://dawn.googlesource.com/dawn.git/+log/546a7c98c897..3cd31e647c7d

2020-11-23 cwallez@chromium.org Metal: Prevent data race on mLastSubmittedCommands

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 enga@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:1142024
Tbr: enga@google.com
Change-Id: I86c44dd04c34e82a470bacd8ae216a0c40382930
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2554958Reviewed-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@{#830218}

DEPS

@@ -327,7 +327,7 @@ 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': '546a7c98c89718f2dadf1ae07088fa7cf2ccb53f',
+  'dawn_revision': '3cd31e647c7de96644e52613b3b23270736654fb',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.