Roll Dawn from 4420ecc71e27 to 2be4b8483c74 (7 revisions)

https://dawn.googlesource.com/dawn.git/+log/4420ecc71e27..2be4b8483c74

2021-09-28 zhaoming.jiang@intel.com Deprecate size=0 for default in setIndexBuffer and setVertexBuffer
2021-09-28 enga@chromium.org Add a mechanism for finding the best tier for a set of limits
2021-09-27 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from b9a2f5946e0c to 231b50baab51 (4 revisions)
2021-09-27 bclayton@google.com DEPS: Add NodeJS binding dependencies
2021-09-27 bclayton@google.com dawn_node: Add utils/Debug.h
2021-09-27 bclayton@google.com dawn_node: Add idlgen tool
2021-09-27 tangm@microsoft.com D3D12: implement WGSL pipeline cache key generation

Also rolling transitive DEPS:
  https://dawn.googlesource.com/tint from b9a2f5946e0c to 231b50baab51

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 cwallez@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: cwallez@google.com
Change-Id: I7464450c03a28bace3f6e942bd3f367add56c6b1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/453380
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 0221839..3f52f44 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@4420ecc71e275f4675e981610067b426c0282f07",
+  "third_party/externals/dawn"            : "https://dawn.googlesource.com/dawn.git@2be4b8483c745794971fad323f956d5c0392c878",
   "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@b9a2f5946e0c8aae60b73a1474e230fa033ed1e2",
+  "third_party/externals/tint"            : "https://dawn.googlesource.com/tint@231b50baab51bdc47775c37b59c6bdda3c09d6e2",
   "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",