Roll Dawn from d2fb128052ae to 5a6fda1a6fcc (2 revisions)

https://dawn.googlesource.com/dawn.git/+log/d2fb128052ae..5a6fda1a6fcc

2021-01-14 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from 0f4638b9e499 to 0a68b365ebff (4 revisions)
2021-01-14 bclayton@google.com Convert StorageTextureTests to WGSL

Also rolling transitive DEPS:
  https://dawn.googlesource.com/tint from 0f4638b9e499 to 0a68b365ebff

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 dsinclair@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: dsinclair@google.com
Change-Id: Ie4a5244610f500c05ab32f9f44ff4f436f4e9cf9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2631165Reviewed-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@{#843866}

DEPS

@@ -314,7 +314,7 @@ 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': 'd2fb128052aec0a98a696c841ab6232c7323423d',
+  'dawn_revision': '5a6fda1a6fcc99553bab1411e2159cf962b6a36d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
@@ -353,7 +353,7 @@ vars = {
   'ukey2_revision': '0275885d8e6038c39b8a8ca55e75d1d4d1727f47',
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'tint_revision': '0f4638b9e499da6f012eb987679ceb37cda24213',
+  'tint_revision': '0a68b365ebff6144228140eb00dd367f62e964ed',
 
   # TODO(crbug.com/941824): The values below need to be kept in sync
   # between //DEPS and //buildtools/DEPS, so if you're updating one,