Add Lazy Creation and Thread Detachment Support in the Scheduler Worker Pool

base/task_scheduler/task_scheduler_impl.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 "base/task_scheduler/task_scheduler_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 79 matching lines @@
   const SchedulerWorkerPoolImpl::ReEnqueueSequenceCallback
       re_enqueue_sequence_callback =
           Bind(&TaskSchedulerImpl::ReEnqueueSequenceCallback, Unretained(this));
 
   for (const auto& worker_pool : worker_pools) {
     // Passing pointers to objects owned by |this| to
     // SchedulerWorkerPoolImpl::Create() is safe because a TaskSchedulerImpl
     // can't be deleted before all its worker pools have been joined.
     worker_pools_.push_back(SchedulerWorkerPoolImpl::Create(
         worker_pool.name, worker_pool.thread_priority, worker_pool.max_threads,
-        worker_pool.io_restriction, re_enqueue_sequence_callback,
-        &task_tracker_, &delayed_task_manager_));
+        worker_pool.io_restriction, TimeDelta::Max(),
+        re_enqueue_sequence_callback, &task_tracker_, &delayed_task_manager_));
     CHECK(worker_pools_.back());
   }
 
   service_thread_ = SchedulerServiceThread::Create(&task_tracker_,
                                                    &delayed_task_manager_);
   CHECK(service_thread_);
 }
 
 SchedulerWorkerPool* TaskSchedulerImpl::GetWorkerPoolForTraits(
     const TaskTraits& traits) {
@@ skipping 17 matching lines @@
   GetWorkerPoolForTraits(traits)->ReEnqueueSequence(std::move(sequence),
                                                     sort_key);
 }
 
 void TaskSchedulerImpl::OnDelayedRunTimeUpdated() {
   service_thread_->WakeUp();
 }
 
 }  // namespace internal
 }  // namespace base