Move Task Scheduler Single Thread Task Runners to Dedicated Threads

base/BUILD.gn

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # HOW TO WRITE CONDITIONALS IN THIS FILE
 # ======================================
 #
 # In many other places, one would write a conditional that expresses all the
 # cases when a source file is used or unused, and then either add or subtract
 # it from the sources list in that case
@@ skipping 814 matching lines @@
     "task_scheduler/delayed_task_manager.h",
     "task_scheduler/initialization_util.cc",
     "task_scheduler/initialization_util.h",
     "task_scheduler/post_task.cc",
     "task_scheduler/post_task.h",
     "task_scheduler/priority_queue.cc",
     "task_scheduler/priority_queue.h",
     "task_scheduler/scheduler_lock.h",
     "task_scheduler/scheduler_lock_impl.cc",
     "task_scheduler/scheduler_lock_impl.h",
+    "task_scheduler/scheduler_single_thread_worker_pool_manager.cc",
+    "task_scheduler/scheduler_single_thread_worker_pool_manager.h",
     "task_scheduler/scheduler_worker.cc",
     "task_scheduler/scheduler_worker.h",
     "task_scheduler/scheduler_worker_pool.h",
     "task_scheduler/scheduler_worker_pool_impl.cc",
     "task_scheduler/scheduler_worker_pool_impl.h",
     "task_scheduler/scheduler_worker_pool_params.cc",
     "task_scheduler/scheduler_worker_pool_params.h",
     "task_scheduler/scheduler_worker_stack.cc",
     "task_scheduler/scheduler_worker_stack.h",
     "task_scheduler/scoped_set_task_priority_for_current_thread.cc",
@@ skipping 1174 matching lines @@
     "synchronization/waitable_event_unittest.cc",
     "synchronization/waitable_event_watcher_unittest.cc",
     "sys_byteorder_unittest.cc",
     "sys_info_unittest.cc",
     "system_monitor/system_monitor_unittest.cc",
     "task/cancelable_task_tracker_unittest.cc",
     "task_runner_util_unittest.cc",
     "task_scheduler/delayed_task_manager_unittest.cc",
     "task_scheduler/priority_queue_unittest.cc",
     "task_scheduler/scheduler_lock_unittest.cc",
+    "task_scheduler/scheduler_single_thread_worker_pool_manager_unittest.cc",
     "task_scheduler/scheduler_worker_pool_impl_unittest.cc",
     "task_scheduler/scheduler_worker_stack_unittest.cc",
     "task_scheduler/scheduler_worker_unittest.cc",
     "task_scheduler/scoped_set_task_priority_for_current_thread_unittest.cc",
     "task_scheduler/sequence_sort_key_unittest.cc",
     "task_scheduler/sequence_unittest.cc",
     "task_scheduler/task_scheduler_impl_unittest.cc",
     "task_scheduler/task_tracker_posix_unittest.cc",
     "task_scheduler/task_tracker_unittest.cc",
     "task_scheduler/task_traits_unittest.cc",
@@ skipping 548 matching lines @@
 }
 
 fuzzer_test("base_json_correctness_fuzzer") {
   sources = [
     "json/correctness_fuzzer.cc",
   ]
   deps = [
     ":base",
   ]
 }