Fix gn check for dawn_unittests.

Fixed: dawn:1404
Change-Id: I203762d4f090554a87b3422023f54627fcc6b4b8
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89404
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Auto-Submit: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>

.gn

@@ -33,8 +33,3 @@ default_args = {
 
   vma_vulkan_headers_dir = "//third_party/vulkan-deps/vulkan-headers/src"
 }
-
-no_check_targets = [
-  # TODO(crbug.com/dawn/1404): Issue with the Absl headers
-  "//src/dawn/tests:dawn_unittests",
-]

src/dawn/native/BUILD.gn

@@ -51,7 +51,10 @@ group("abseil") {
   if (build_with_chromium) {
     public_deps = [ "$dawn_abseil_dir:absl" ]
   } else {
-    public_deps = [ "${dawn_root}/third_party/gn/abseil-cpp:str_format" ]
+    public_deps = [
+      "${dawn_root}/third_party/gn/abseil-cpp:str_format",
+      "${dawn_root}/third_party/gn/abseil-cpp:strings",
+    ]
   }
 }