Roll Dawn from b9285f69ba2c to 261b05d3dd3f (2 revisions)

https://dawn.googlesource.com/dawn.git/+log/b9285f69ba2c..261b05d3dd3f

2020-07-13 kainino@chromium.org PipelineStatisticsName -> PipelineStatisticName
2020-07-13 kainino@chromium.org Add BufferCopyView.layout and deprecate old fields

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: I8327c29c87442dfba5eff13b1e19f240a2c0cc92
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2295881Reviewed-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@{#787876}

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': 'b9285f69ba2c7a46eeb308a51689786deaf9ef1b',
+  'dawn_revision': '261b05d3dd3f3c450a37668737243db60cad53ca',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.