Add TaskScheduler::CreateAndSetDefaultTaskScheduler

base/task_scheduler/task_scheduler.cc

Index: base/task_scheduler/task_scheduler.cc
diff --git a/base/task_scheduler/task_scheduler.cc b/base/task_scheduler/task_scheduler.cc
index fd72c12ecd67d11cc3a5fe4aa9e8c40718c0ba43..4b7d0b7e85a822137bdfecd410b36d8f5feb0ba3 100644
--- a/base/task_scheduler/task_scheduler.cc
+++ b/base/task_scheduler/task_scheduler.cc
@@ -5,6 +5,7 @@
 #include "base/task_scheduler/task_scheduler.h"
 
 #include "base/logging.h"
+#include "base/task_scheduler/task_scheduler_impl.h"
 
 namespace base {
 
@@ -16,6 +17,15 @@ TaskScheduler* g_task_scheduler = nullptr;
 }  // namespace
 
 // static
+void TaskScheduler::CreateAndSetDefaultTaskScheduler(
+    const std::vector<SchedulerWorkerPoolParams>& worker_pool_params_vector,
+    const WorkerPoolIndexForTraitsCallback&
+        worker_pool_index_for_traits_callback) {
+  SetInstance(internal::TaskSchedulerImpl::Create(
+      worker_pool_params_vector, worker_pool_index_for_traits_callback));
+}
+
+// static
 void TaskScheduler::SetInstance(std::unique_ptr<TaskScheduler> task_scheduler) {
   delete g_task_scheduler;
   g_task_scheduler = task_scheduler.release();