Roll Dawn from 2bd95f1cf454 to 7fae6cbf1d37 (4 revisions)

https://dawn.googlesource.com/dawn.git/+log/2bd95f1cf454..7fae6cbf1d37

2021-01-12 cwallez@chromium.org Add new third-party dependencies to .gitignore
2021-01-12 bclayton@google.com ShaderModule: Enable the prettier tint diagnostic formatter
2021-01-12 cwoffenden@gmail.com Minor fix to build with MSVC: Removes switch with only default case
2021-01-12 bclayton@google.com ShaderModule: Refactor ParseWGSL() to take a File*

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: I7215ffa4d8b623e5f1911904e2a188d463696052
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2624250Reviewed-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@{#842546}

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': '2bd95f1cf45451119b6644e41919b7bef443d912',
+  'dawn_revision': '7fae6cbf1d370bce5af457ad07f97f290a99cb0d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.