Roll Dawn from 91851e23a8d4 to c2bc8d3a7df8 (5 revisions)

https://dawn.googlesource.com/dawn.git/+log/91851e23a8d4..c2bc8d3a7df8

2021-10-14 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from 89fb370b3029 to a6969c435943 (7 revisions)
2021-10-14 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from f3f2d0a218bd to 89fb370b3029 (5 revisions)
2021-10-14 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from 11c9656b1410 to f3f2d0a218bd (2 revisions)
2021-10-14 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from 2aa6855914ed to 11c9656b1410 (1 revision)
2021-10-14 yunchao.he@intel.com Add validation rule for depth/stencil between pipeline and pass

Also rolling transitive DEPS:
  https://dawn.googlesource.com/tint from 2aa6855914ed to a6969c435943

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dawn-skia-autoroll
Please CC enga@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Dawn: https://bugs.chromium.org/p/dawn/issues/entry
To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry

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/main/autoroll/README.md

Cq-Include-Trybots: skia/skia.primary:Build-Debian10-Clang-x86_64-Debug-Dawn
Bug: None
Tbr: enga@google.com
Change-Id: I841fa82f4bd2f8531c1eabe0548d4d8582b817e4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/459704
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index b85bb12..93032dc 100644
--- a/DEPS
+++ b/DEPS
@@ -16,10 +16,10 @@
   "third_party/externals/d3d12allocator"  : "https://skia.googlesource.com/external/github.com/GPUOpen-LibrariesAndSDKs/D3D12MemoryAllocator.git@169895d529dfce00390a20e69c2f516066fe7a3b",
   # Dawn requires jinja2 and markupsafe for the code generator, tint for SPIRV compilation, and abseil for string formatting.
   # When the Dawn revision is updated these should be updated from the Dawn DEPS as well.
-  "third_party/externals/dawn"            : "https://dawn.googlesource.com/dawn.git@91851e23a8d4be6718eb31ae819290e45a5842b8",
+  "third_party/externals/dawn"            : "https://dawn.googlesource.com/dawn.git@c2bc8d3a7df8fc3d6f12ae62dcc12443c0ceab91",
   "third_party/externals/jinja2"          : "https://chromium.googlesource.com/chromium/src/third_party/jinja2@a82a4944a7f2496639f34a89c9923be5908b80aa",
   "third_party/externals/markupsafe"      : "https://chromium.googlesource.com/chromium/src/third_party/markupsafe@0944e71f4b2cb9a871bcbe353f95e889b64a611a",
-  "third_party/externals/tint"            : "https://dawn.googlesource.com/tint@2aa6855914ed9476ef7a1f29bb368dc92186f6ec",
+  "third_party/externals/tint"            : "https://dawn.googlesource.com/tint@a6969c435943152d70021fe6a28e5c085cd123b4",
   "third_party/externals/abseil-cpp"      : "https://chromium.googlesource.com/chromium/src/third_party/abseil-cpp@789af048b388657987c59d4da406859034fe310f",
   "third_party/externals/dng_sdk"         : "https://android.googlesource.com/platform/external/dng_sdk.git@c8d0c9b1d16bfda56f15165d39e0ffa360a11123",
   "third_party/externals/egl-registry"    : "https://skia.googlesource.com/external/github.com/KhronosGroup/EGL-Registry@a0bca08de07c7d7651047bedc0b653cfaaa4f2ae",