Roll Dawn from 19899becb76e to 793a07e36636 (3 revisions)

https://dawn.googlesource.com/dawn.git/+log/19899becb76e..793a07e36636

2020-10-08 senorblanco@chromium.org Fix MSVC build of SerialStorage.h.
2020-10-08 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from 6d6aed546061 to 4311dd05c883 (1 revision)
2020-10-08 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from f600d3aa9f26 to 6d6aed546061 (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 kainino@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: kainino@google.com
Change-Id: I3b75ebbd6ee35b10817a01dce21a357647207b39
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2462009Reviewed-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@{#815497}

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': '19899becb76ed28dba2a8e3bcc408cda181d1169',
+  'dawn_revision': '793a07e366362f2e3cdf07e144c1eff8de18efba',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.