Roll Dawn from 22eff1eb8c2f to 7faa362ea9c2 (2 revisions)

https://dawn.googlesource.com/dawn.git/+log/22eff1eb8c2f..7faa362ea9c2

2021-01-12 shrekshao@google.com Fix SamplerFilterAnisotropicTests mipmap
2021-01-12 dsinclair@chromium.org Convert WGSL comments to //

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: Ic56b7d7ab7199e9e4e54348746cda08252c63eaa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2626456Reviewed-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@{#842883}

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': '22eff1eb8c2ff44e1928121d93559fcf0b81f834',
+  'dawn_revision': '7faa362ea9c2bffbb8e9cc2e2d9f4f4af2fe4dde',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.