Roll Dawn from 4d9cadd58aea to 0d158ac68107 (2 revisions)

https://dawn.googlesource.com/dawn.git/+log/4d9cadd58aea..0d158ac68107

2020-07-23 kainino@chromium.org Fix some bugs in buffer mapping in the wire client
2020-07-23 cwallez@chromium.org Implement sampleMask in D3D12 and OpenGL.

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: Iefcd0695f25fa0109a97178ae655ffd135827522
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2314842Reviewed-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@{#791327}

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': '4d9cadd58aeaeeac18af40fa2b773db1a579328f',
+  'dawn_revision': '0d158ac68107df4a4102c1b6c8a92b9060004521',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.