Use constexpr TaskTraits constructor in base (part 2).

base/task_scheduler/scheduler_worker_unittest.cc

Index: base/task_scheduler/scheduler_worker_unittest.cc
diff --git a/base/task_scheduler/scheduler_worker_unittest.cc b/base/task_scheduler/scheduler_worker_unittest.cc
index 8d2d1b02b5fcbb0aea5043d22ffc5cf5e940f222..5d218a7cae2aa00bfd277ff0e63c605536647b82 100644
--- a/base/task_scheduler/scheduler_worker_unittest.cc
+++ b/base/task_scheduler/scheduler_worker_unittest.cc
@@ -450,8 +450,7 @@ class ControllableDetachDelegate : public SchedulerWorkerDefaultDelegate {
             },
             Unretained(&controls_->work_processed_),
             Unretained(&controls_->work_running_)),
-        TaskTraits().WithBaseSyncPrimitives().WithShutdownBehavior(
-            TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN),
+        {WithBaseSyncPrimitives(), TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN},
         TimeDelta()));
     EXPECT_TRUE(task_tracker_->WillPostTask(task.get()));
     sequence->PushTask(std::move(task));