Use constexpr TaskTraits constructor in components.

components/translate/core/browser/ranker_model_loader.cc

Index: components/translate/core/browser/ranker_model_loader.cc
diff --git a/components/translate/core/browser/ranker_model_loader.cc b/components/translate/core/browser/ranker_model_loader.cc
index d62fef2ba19d11fd00a7b130c0313836765efb94..eb8175977c4f284b7204288d514ca2d79e88b13b 100644
--- a/components/translate/core/browser/ranker_model_loader.cc
+++ b/components/translate/core/browser/ranker_model_loader.cc
@@ -100,11 +100,8 @@ RankerModelLoader::RankerModelLoader(
     GURL model_url,
     std::string uma_prefix)
     : background_task_runner_(base::CreateSequencedTaskRunnerWithTraits(
-          base::TaskTraits()
-              .MayBlock()
-              .WithPriority(base::TaskPriority::BACKGROUND)
-              .WithShutdownBehavior(
-                  base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN))),
+          {base::MayBlock(), base::TaskPriority::BACKGROUND,
+           base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN})),
       validate_model_cb_(std::move(validate_model_cb)),
       on_model_available_cb_(std::move(on_model_available_cb)),
       model_path_(std::move(model_path)),