Refactor WorkerPoolCreationArgs to a Read-Only WorkerPoolParams

base/task_scheduler/scheduler_worker_pool_impl.h

Index: base/task_scheduler/scheduler_worker_pool_impl.h
diff --git a/base/task_scheduler/scheduler_worker_pool_impl.h b/base/task_scheduler/scheduler_worker_pool_impl.h
index 935c79a80c5f000b549628399e0a51dc1180f1ce..1c809241cde1a508931e24b5fd2c37bd45beeeaf 100644
--- a/base/task_scheduler/scheduler_worker_pool_impl.h
+++ b/base/task_scheduler/scheduler_worker_pool_impl.h
@@ -34,6 +34,7 @@ namespace internal {
 
 class DelayedTaskManager;
 class TaskTracker;
+class WorkerPoolParams;
 
 // A pool of workers that run Tasks. This class is thread-safe.
 class BASE_EXPORT SchedulerWorkerPoolImpl : public SchedulerWorkerPool {
@@ -52,19 +53,14 @@ class BASE_EXPORT SchedulerWorkerPoolImpl : public SchedulerWorkerPool {
   // JoinForTesting() has returned.
   ~SchedulerWorkerPoolImpl() override;
 
-  // Creates a SchedulerWorkerPoolImpl labeled |name| with up to |max_threads|
-  // threads of priority |thread_priority|. |io_restriction| indicates whether
-  // Tasks on the constructed worker pool are allowed to make I/O calls.
-  // |re_enqueue_sequence_callback| will be invoked after a worker of this
-  // worker pool tries to run a Task. |task_tracker| is used to handle shutdown
-  // behavior of Tasks. |delayed_task_manager| handles Tasks posted with a
-  // delay. Returns nullptr on failure to create a worker pool with at least one
-  // thread.
+  // Creates a SchedulerWorkerPoolImpl following the |worker_pool_params|
+  // specification. |re_enqueue_sequence_callback| will be invoked after a
+  // worker of this worker pool tries to run a Task. |task_tracker| is used to
+  // handle shutdown behavior of Tasks. |delayed_task_manager| handles Tasks
+  // posted with a delay. Returns nullptr on failure to create a worker pool
+  // with at least one thread.
   static std::unique_ptr<SchedulerWorkerPoolImpl> Create(
-      StringPiece name,
-      ThreadPriority thread_priority,
-      size_t max_threads,
-      IORestriction io_restriction,
+      const WorkerPoolParams& worker_pool_params,
       const ReEnqueueSequenceCallback& re_enqueue_sequence_callback,
       TaskTracker* task_tracker,
       DelayedTaskManager* delayed_task_manager);