Roll Dawn from d1bca09f4ab3 to cac0442277f7 (2 revisions)

https://dawn.googlesource.com/dawn.git/+log/d1bca09f4ab3..cac0442277f7

2020-10-13 enga@chromium.org dawn_wire: Support chunked commands
2020-10-13 rharrison@chromium.org Add running spirv-val on output of Tint

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 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: skia/skia.primary:Build-Debian10-Clang-x86_64-Debug-Dawn
Bug: None
Tbr: enga@google.com
Change-Id: I0fe16d010b78031627580152c4aa9afb26504343
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/326661
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 3b5d882..50a839d72 100644
--- a/DEPS
+++ b/DEPS
@@ -12,7 +12,7 @@
   "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, and glslang and shaderc for SPIRV compilation.
   # 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@d1bca09f4ab36bdc8d413bf2642460b0721267f5",
+  "third_party/externals/dawn"            : "https://dawn.googlesource.com/dawn.git@cac0442277f7be1f9546a82b416c26a8dbf81ebd",
   "third_party/externals/glslang"         : "https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang@4dcc12d1a441b29d5901bc708bb1343d29d6459f",
   "third_party/externals/jinja2"          : "https://chromium.googlesource.com/chromium/src/third_party/jinja2@b41863e42637544c2941b574c7877d3e1f663e25",
   "third_party/externals/markupsafe"      : "https://chromium.googlesource.com/chromium/src/third_party/markupsafe@8f45f5cfa0009d2a70589bcda0349b8cb2b72783",