Roll Dawn from 064f33e4416e to 762814bd9229 (6 revisions)

https://dawn.googlesource.com/dawn.git/+log/064f33e4416e..762814bd9229

2021-01-20 cwallez@chromium.org ityp_array: Allow using a T whose underlying type is signed.
2021-01-20 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from ed14524b1e81 to afb8cfb2544b (1 revision)
2021-01-20 cwallez@chromium.org Vulkan: Fix texture barriers for readonly storage.
2021-01-20 cwallez@chromium.org Vulkan: Fix buffer barriers for readonly storage.
2021-01-20 cwallez@chromium.org Vulkan: use VK_EXT_debug_utils instead of deprecated extensions.
2021-01-20 senorblanco@chromium.org Implement a glCopyImageSubData() workaround for OpenGL ES 3.1

Also rolling transitive DEPS:
  https://dawn.googlesource.com/tint from ed14524b1e81 to afb8cfb2544b

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 sarahmashay@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: sarahmashay@google.com
Change-Id: I0c95906817294e7b665d85298a54b06ac357bfff
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2641176Reviewed-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@{#845432}

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': '064f33e4416ed498c91137f518fedb56c325b99b',
+  'dawn_revision': '762814bd922932d3d9da9b220463b6ce5f167d76',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
@@ -357,7 +357,7 @@ vars = {
   'ukey2_revision': '0275885d8e6038c39b8a8ca55e75d1d4d1727f47',
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'tint_revision': 'ed14524b1e813129d717ebbf651febc5223b3a49',
+  'tint_revision': 'afb8cfb2544ba27d0f53d698201d5f24549dab4c',
 
   # TODO(crbug.com/941824): The values below need to be kept in sync
   # between //DEPS and //buildtools/DEPS, so if you're updating one,