Initialize TaskScheduler in standalone service main.

services/service_manager/public/cpp/standalone_service/main.cc

 // Copyright 2016 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.
 
+#include "services/service_manager/public/c/main.h"
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/debug/stack_trace.h"
 #include "base/i18n/icu_util.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/process/launch.h"
-#include "services/service_manager/public/c/main.h"
+#include "base/task_scheduler/task_scheduler.h"
 #include "services/service_manager/public/cpp/standalone_service/standalone_service.h"
 #include "services/service_manager/public/cpp/standalone_service/switches.h"
 #include "services/service_manager/public/interfaces/service.mojom.h"
 #include "services/service_manager/runner/init.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac/bundle_locations.h"
 #endif
 
 namespace {
@@ skipping 23 matching lines @@
   base::i18n::InitializeICU();
 
 #if !defined(OFFICIAL_BUILD)
   // Initialize stack dumping before initializing sandbox to make sure symbol
   // names in all loaded libraries will be cached.
   base::debug::EnableInProcessStackDumping();
 #endif
 
   service_manager::WaitForDebuggerIfNecessary();
 
+  base::TaskScheduler::CreateAndStartWithDefaultParams("StandaloneService");
+
   service_manager::RunStandaloneService(base::Bind(&RunServiceMain));
+
+  base::TaskScheduler::GetInstance()->Shutdown();
+
   return 0;
 }