| Index: base/BUILD.gn | 
| diff --git a/base/BUILD.gn b/base/BUILD.gn | 
| index c370c214a61d93d8427aacd57ef8e4ce3250a0fa..8b33735ad5f1e8742609a27e34c5e65b331d24c2 100644 | 
| --- a/base/BUILD.gn | 
| +++ b/base/BUILD.gn | 
| @@ -836,6 +836,8 @@ component("base") { | 
| "task_scheduler/scheduler_lock.h", | 
| "task_scheduler/scheduler_lock_impl.cc", | 
| "task_scheduler/scheduler_lock_impl.h", | 
| +    "task_scheduler/scheduler_single_thread_task_runner_manager.cc", | 
| +    "task_scheduler/scheduler_single_thread_task_runner_manager.h", | 
| "task_scheduler/scheduler_worker.cc", | 
| "task_scheduler/scheduler_worker.h", | 
| "task_scheduler/scheduler_worker_pool.h", | 
| @@ -2062,6 +2064,7 @@ test("base_unittests") { | 
| "task_scheduler/delayed_task_manager_unittest.cc", | 
| "task_scheduler/priority_queue_unittest.cc", | 
| "task_scheduler/scheduler_lock_unittest.cc", | 
| +    "task_scheduler/scheduler_single_thread_task_runner_manager_unittest.cc", | 
| "task_scheduler/scheduler_worker_pool_impl_unittest.cc", | 
| "task_scheduler/scheduler_worker_stack_unittest.cc", | 
| "task_scheduler/scheduler_worker_unittest.cc", | 
|  |