Roll Dawn from 9427c97d9c29 to 948b3a05550b (1 revision)

https://dawn.googlesource.com/dawn.git/+log/9427c97d9c29..948b3a05550b

2020-09-11 hidehiko@chromium.org Expand is_linux to is_linux || is_chromeos.

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:1110266
Tbr: cwallez@google.com
Test: Test: Build locally.
Change-Id: I691a11355a38fefc2f8d794865abe1075338ae37
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2405520Reviewed-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@{#806047}

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': '9427c97d9c2917d66e79e49ffaa718aac2e7d6ad',
+  'dawn_revision': '948b3a05550b88519e5f92baee5292790a6ec1e1',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.