Migrate WaitableEvent to enum-based constructor in base/

base/task_scheduler/scheduler_thread_pool_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/scheduler_thread_pool_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <utility>
@@ skipping 477 matching lines @@
 SchedulerThreadPoolImpl::SchedulerThreadPoolImpl(
     StringPiece name,
     IORestriction io_restriction,
     TaskTracker* task_tracker,
     DelayedTaskManager* delayed_task_manager)
     : name_(name.as_string()),
       io_restriction_(io_restriction),
       idle_worker_threads_stack_lock_(shared_priority_queue_.container_lock()),
       idle_worker_threads_stack_cv_for_testing_(
           idle_worker_threads_stack_lock_.CreateConditionVariable()),
-      join_for_testing_returned_(true, false),
+      join_for_testing_returned_(WaitableEvent::ResetPolicy::MANUAL,
+                                 WaitableEvent::InitialState::NOT_SIGNALED),
 #if DCHECK_IS_ON()
-      threads_created_(true, false),
+      threads_created_(WaitableEvent::ResetPolicy::MANUAL,
+                       WaitableEvent::InitialState::NOT_SIGNALED),
 #endif
       task_tracker_(task_tracker),
       delayed_task_manager_(delayed_task_manager) {
   DCHECK(task_tracker_);
   DCHECK(delayed_task_manager_);
 }
 
 bool SchedulerThreadPoolImpl::Initialize(
     ThreadPriority thread_priority,
     size_t max_threads,
@@ skipping 43 matching lines @@
 }
 
 void SchedulerThreadPoolImpl::RemoveFromIdleWorkerThreadsStack(
     SchedulerWorkerThread* worker_thread) {
   AutoSchedulerLock auto_lock(idle_worker_threads_stack_lock_);
   idle_worker_threads_stack_.Remove(worker_thread);
 }
 
 }  // namespace internal
 }  // namespace base