Roll Dawn from 4e2d7cff8fc3 to b31f5e717e2d (3 revisions)

https://dawn.googlesource.com/dawn.git/+log/4e2d7cff8fc3..b31f5e717e2d

2020-07-14 enga@chromium.org Remove kMaxBindingsPerGroup limit
2020-07-14 rharrison@chromium.org Roll 5 dependencies
2020-07-14 kainino@chromium.org Skip clang-format on Windows

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: None
Tbr: cwallez@google.com
Change-Id: Ife8848650e2dff288483fc70552c2464deb41067
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2298519Reviewed-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@{#788430}

DEPS

@@ -317,7 +317,7 @@ 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': '4e2d7cff8fc304aa9cd7cb6476c7ff72f289ed95',
+  'dawn_revision': 'b31f5e717e2d5de567ee7a5b6a32acdf16ba180c',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.