Roll src/third_party/dawn c244f5392178..2d79ef264eba (9 commits)

https://dawn.googlesource.com/dawn.git/+log/c244f5392178..2d79ef264eba

git log c244f5392178..2d79ef264eba --date=short --first-parent --format='%ad %ae %s'
2020-04-28 cwallez@chromium.org Do not use Dawn's warnings for compiling Chromium's gtest main.
2020-04-28 bryan.bernhart@intel.com D3D12: Fix invalid allocation size check.
2020-04-28 jiawei.shao@intel.com Add basic supports of readonly and writeonly storage textures on Metal
2020-04-27 xilefmai@gmail.com Fix MSVC compilation.
2020-04-27 cwallez@chromium.org Enable -pedantic and disable currently triggered warnings
2020-04-27 cwallez@chromium.org Fix ValidateRowsPerImage error text.
2020-04-24 cwallez@chromium.org Enable more warning needed for Skia to build with Dawn on Linux
2020-04-24 cwallez@chromium.org Add Matrix chatrooms to README.md
2020-04-24 cwallez@chromium.org Deprecate BufferCopyView.rowPitch/imageHeight -> bytesPerRow/rowsPerImage

Created with:
  gclient setdep -r src/third_party/dawn@2d79ef264eba

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/+/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: chromium:1072449,chromium:1075817
Tbr: cwallez@google.com
Change-Id: I62b5622ab62c6489c631c7b4b232efc87aa825e3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2170793Reviewed-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@{#763513}

DEPS

@@ -301,7 +301,7 @@ 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': 'c244f5392178290ec559d8d62a63038ad79309a8',
+  'dawn_revision': '2d79ef264eba950c255f62698b7fcb362b140495',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.