Manual roll Dawn from 8cdfb5f7b2c9 to b6ad04f90bdb (7 revisions)

Manual roll requested by robertphillips@google.com

https://dawn.googlesource.com/dawn.git/+log/8cdfb5f7b2c9..b6ad04f90bdb

2026-01-16 chouinard@google.com Fixup inefficient-vector-operation in MultithreadTests
2026-01-16 chouinard@google.com Unsuppress inefficient-vector-operation check
2026-01-16 beaufort.francois@gmail.com Enable transient attachments by default
2026-01-16 mridulgoyal@google.com Kotlin: Update license headers to Apache 2.0
2026-01-16 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll DirectX Shader Compiler from 8480bc6c4e52 to 26bbce370154 (2 revisions)
2026-01-16 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from 123afca5b693 to 3d192133a53d (19 revisions)
2026-01-16 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll ANGLE from 39071995cd66 to c509a8315bad (10 revisions)

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 amaiorano@google.com,cwallez@google.com,robertphillips@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://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Cq-Include-Trybots: skia/skia.primary:Build-Ubuntu24.04-Clang-x86_64-Debug-Graphite_Dawn_Vulkan;skia/skia.primary:Test-Mac14-Clang-MacMini9.1-GPU-AppleM1-arm64-Debug-All-ASAN_Graphite_Dawn_Metal;skia/skia.primary:Test-Win10-MSVC-Golo-GPU-QuadroP400-x86_64-Release-All-Graphite_Dawn_D3D12;skia/skia.primary:Test-Win10-MSVC-Golo-GPU-QuadroP400-x86_64-Release-All-Graphite_Dawn_D3D11
Bug: None
Tbr: amaiorano@google.com,robertphillips@google.com
Change-Id: I18d5e61451faa8b109ab27fbe3acbf7d1af612e8
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/1143496
Bot-Commit: 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 16debe2..238757a 100644
--- a/DEPS
+++ b/DEPS
@@ -37,7 +37,7 @@
   # Dawn requires jinja2 and markupsafe for the code generator, abseil for string formatting,
   # and a few other depencencies.
   # 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@8cdfb5f7b2c9708782574fe19a5f4ba379736f9b",
+  "third_party/externals/dawn"                   : "https://dawn.googlesource.com/dawn.git@b6ad04f90bdb56044b3e1a89b4e1aead47fe55fe",
   "third_party/externals/abseil-cpp"             : "https://chromium.googlesource.com/chromium/src/third_party/abseil-cpp@1597226b825a16493de66c1732171efe89b271d9",
   "third_party/externals/jinja2"                 : "https://chromium.googlesource.com/chromium/src/third_party/jinja2@c3027d884967773057bf74b957e3fea87e5df4d7",
   "third_party/externals/markupsafe"             : "https://chromium.googlesource.com/chromium/src/third_party/markupsafe@4256084ae14175d38a3ff7d739dca83ae49ccec6",
diff --git a/bazel/deps.json b/bazel/deps.json
index f2707fb..b3e7516 100644
--- a/bazel/deps.json
+++ b/bazel/deps.json
@@ -3,7 +3,7 @@
   "direct": [
     {
       "build_file": "//bazel/external/dawn:BUILD.bazel",
-      "commit": "8cdfb5f7b2c9708782574fe19a5f4ba379736f9b",
+      "commit": "b6ad04f90bdb56044b3e1a89b4e1aead47fe55fe",
       "name": "dawn",
       "remote": "https://dawn.googlesource.com/dawn.git"
     },
diff --git a/infra/bots/deps/deps_gen.go b/infra/bots/deps/deps_gen.go
index a88c603..2e89e7f 100644
--- a/infra/bots/deps/deps_gen.go
+++ b/infra/bots/deps/deps_gen.go
@@ -164,7 +164,7 @@
 	},
 	"dawn.googlesource.com/dawn": {
 		Id:      "dawn.googlesource.com/dawn",
-		Version: "8cdfb5f7b2c9708782574fe19a5f4ba379736f9b",
+		Version: "b6ad04f90bdb56044b3e1a89b4e1aead47fe55fe",
 		Path:    "third_party/externals/dawn",
 	},
 	"infra/3pp/tools/ninja": {