[reference - do not submit] Always create four pools in TaskSchedulerImpl.

base/task_scheduler/scheduler_worker_pool_impl_unittest.cc

Index: base/task_scheduler/scheduler_worker_pool_impl_unittest.cc
diff --git a/base/task_scheduler/scheduler_worker_pool_impl_unittest.cc b/base/task_scheduler/scheduler_worker_pool_impl_unittest.cc
index d24775f0c0d73e2c49889e7033d03e45e878f05f..4d530f08fbc2c3a61b305ba1f09668d17c9af770 100644
--- a/base/task_scheduler/scheduler_worker_pool_impl_unittest.cc
+++ b/base/task_scheduler/scheduler_worker_pool_impl_unittest.cc
@@ -84,9 +84,8 @@ class TaskSchedulerWorkerPoolImplTest
     delayed_task_manager_ =
         base::MakeUnique<DelayedTaskManager>(service_thread_.task_runner());
     worker_pool_ = SchedulerWorkerPoolImpl::Create(
-        SchedulerWorkerPoolParams("TestWorkerPool", ThreadPriority::NORMAL,
-                                  StandbyThreadPolicy::LAZY, num_workers,
-                                  suggested_reclaim_time),
+        "Test", ThreadPriority::NORMAL,
+        {StandbyThreadPolicy::LAZY, num_workers, suggested_reclaim_time},
         Bind(&TaskSchedulerWorkerPoolImplTest::ReEnqueueSequenceCallback,
              Unretained(this)),
         &task_tracker_, delayed_task_manager_.get());
@@ -715,9 +714,8 @@ TEST(TaskSchedulerWorkerPoolStandbyPolicyTest, InitLazy) {
   DelayedTaskManager delayed_task_manager(
       make_scoped_refptr(new TestSimpleTaskRunner));
   auto worker_pool = SchedulerWorkerPoolImpl::Create(
-      SchedulerWorkerPoolParams("LazyPolicyWorkerPool", ThreadPriority::NORMAL,
-                                StandbyThreadPolicy::LAZY, 8U,
-                                TimeDelta::Max()),
+      "LazyPolicyWorkerPool", ThreadPriority::NORMAL,
+      {StandbyThreadPolicy::LAZY, 8U, TimeDelta::Max()},
       Bind(&NotReachedReEnqueueSequenceCallback), &task_tracker,
       &delayed_task_manager);
   ASSERT_TRUE(worker_pool);
@@ -730,8 +728,8 @@ TEST(TaskSchedulerWorkerPoolStandbyPolicyTest, InitOne) {
   DelayedTaskManager delayed_task_manager(
       make_scoped_refptr(new TestSimpleTaskRunner));
   auto worker_pool = SchedulerWorkerPoolImpl::Create(
-      SchedulerWorkerPoolParams("LazyPolicyWorkerPool", ThreadPriority::NORMAL,
-                                StandbyThreadPolicy::ONE, 8U, TimeDelta::Max()),
+      "LazyPolicyWorkerPool", ThreadPriority::NORMAL,
+      {StandbyThreadPolicy::ONE, 8U, TimeDelta::Max()},
       Bind(&NotReachedReEnqueueSequenceCallback), &task_tracker,
       &delayed_task_manager);
   ASSERT_TRUE(worker_pool);