Refactor WorkerPoolCreationArgs to a Read-Only WorkerPoolParams

base/task_scheduler/scheduler_worker_pool_impl.cc

Index: base/task_scheduler/scheduler_worker_pool_impl.cc
diff --git a/base/task_scheduler/scheduler_worker_pool_impl.cc b/base/task_scheduler/scheduler_worker_pool_impl.cc
index 06933eb32db62386195ba3619fd71c03914346fd..604bcc02e73d9d61c05711e2250333190b4fc00f 100644
--- a/base/task_scheduler/scheduler_worker_pool_impl.cc
+++ b/base/task_scheduler/scheduler_worker_pool_impl.cc
@@ -18,6 +18,7 @@
 #include "base/strings/stringprintf.h"
 #include "base/task_scheduler/delayed_task_manager.h"
 #include "base/task_scheduler/task_tracker.h"
+#include "base/task_scheduler/worker_pool_params.h"
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread_local.h"
 #include "base/threading/thread_restrictions.h"
@@ -227,17 +228,16 @@ SchedulerWorkerPoolImpl::~SchedulerWorkerPoolImpl() {
 
 // static
 std::unique_ptr<SchedulerWorkerPoolImpl> SchedulerWorkerPoolImpl::Create(
-    StringPiece name,
-    ThreadPriority thread_priority,
-    size_t max_threads,
-    IORestriction io_restriction,
+    const WorkerPoolParams& params,
     const ReEnqueueSequenceCallback& re_enqueue_sequence_callback,
     TaskTracker* task_tracker,
     DelayedTaskManager* delayed_task_manager) {
   std::unique_ptr<SchedulerWorkerPoolImpl> worker_pool(
-      new SchedulerWorkerPoolImpl(name, io_restriction, task_tracker,
-                                  delayed_task_manager));
-  if (worker_pool->Initialize(thread_priority, max_threads,
+      new SchedulerWorkerPoolImpl(params.name(),
+                                  params.io_restriction(),
+                                  task_tracker, delayed_task_manager));
+  if (worker_pool->Initialize(params.thread_priority(),
+                              params.max_threads(),
                               re_enqueue_sequence_callback)) {
     return worker_pool;
   }