Migrate WaitableEvent to enum-based constructor in base/

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 50 matching lines @@
   background_file_io_thread_pool_->JoinForTesting();
   normal_thread_pool_->JoinForTesting();
   normal_file_io_thread_pool_->JoinForTesting();
   service_thread_->JoinForTesting();
 #if DCHECK_IS_ON()
   join_for_testing_returned_.Signal();
 #endif
 }
 
 TaskSchedulerImpl::TaskSchedulerImpl()
-    : delayed_task_manager_(Bind(&TaskSchedulerImpl::OnDelayedRunTimeUpdated,
-                                 Unretained(this)))
+    : delayed_task_manager_(
+          Bind(&TaskSchedulerImpl::OnDelayedRunTimeUpdated, Unretained(this)))
 #if DCHECK_IS_ON()
-          ,
-      join_for_testing_returned_(true, false)
+      ,
+      join_for_testing_returned_(WaitableEvent::ResetPolicy::MANUAL,
+                                 WaitableEvent::InitialState::NOT_SIGNALED)
 #endif
 {
 }
 
 void TaskSchedulerImpl::Initialize() {
   using IORestriction = SchedulerThreadPoolImpl::IORestriction;
 
   const SchedulerThreadPoolImpl::ReEnqueueSequenceCallback
       re_enqueue_sequence_callback =
           Bind(&TaskSchedulerImpl::ReEnqueueSequenceCallback, Unretained(this));
@@ skipping 61 matching lines @@
   GetThreadPoolForTraits(traits)->ReEnqueueSequence(std::move(sequence),
                                                     sort_key);
 }
 
 void TaskSchedulerImpl::OnDelayedRunTimeUpdated() {
   service_thread_->WakeUp();
 }
 
 }  // namespace internal
 }  // namespace base