Roll Dawn from 73b70229af3a to 84b70a6e4d93 (3 revisions)

https://dawn.googlesource.com/dawn.git/+log/73b70229af3a..84b70a6e4d93

2020-10-14 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from f2b8b6e87396 to ff267ca60e14 (2 revisions)
2020-10-14 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from 435916e544cc to f2b8b6e87396 (1 revision)
2020-10-14 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from 4311dd05c883 to 435916e544cc (1 revision)

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: None
Tbr: enga@google.com
Change-Id: Ib445bb81fe3a552451171cf1b0d2626e307bfdae
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2473020Reviewed-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@{#817270}

DEPS

@@ -323,7 +323,7 @@ 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': '73b70229af3a98baea034bc5a521878e86b0447e',
+  'dawn_revision': '84b70a6e4d93dc5e86985d0372d8f93ed3eae6c0',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.