Roll Dawn from 5c20f1ec9ca9 to 4b316994ad01 (1 revision)

https://dawn.googlesource.com/dawn.git/+log/5c20f1ec9ca9..4b316994ad01

2021-01-18 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from c068cfc1397a to 4a110c2726e9 (1 revision)

Also rolling transitive DEPS:
  https://dawn.googlesource.com/tint from c068cfc1397a to 4a110c2726e9

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 sarahmashay@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: None
Tbr: sarahmashay@google.com
Change-Id: I02d04afd2670999e81f1a8e6265d1d865d64ab04
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2636337Reviewed-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@{#844563}

DEPS

@@ -318,7 +318,7 @@ 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': '5c20f1ec9ca95008eb452e04133c332af3a2b3fa',
+  'dawn_revision': '4b316994ad01ab6b87032c5fd9b53c6d18956d8d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
@@ -357,7 +357,7 @@ vars = {
   'ukey2_revision': '0275885d8e6038c39b8a8ca55e75d1d4d1727f47',
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'tint_revision': 'c068cfc1397a2e640c5d917b8d41a8d31bf250c9',
+  'tint_revision': '4a110c2726e960502f57a71d30965485b35ab8e4',
 
   # TODO(crbug.com/941824): The values below need to be kept in sync
   # between //DEPS and //buildtools/DEPS, so if you're updating one,