Migrate WaitableEvent to enum-based constructor in base/

base/task_scheduler/priority_queue_unittest.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/priority_queue.h"
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 11 matching lines @@
 namespace base {
 namespace internal {
 
 namespace {
 
 class ThreadBeginningTransaction : public SimpleThread {
  public:
   explicit ThreadBeginningTransaction(PriorityQueue* priority_queue)
       : SimpleThread("ThreadBeginningTransaction"),
         priority_queue_(priority_queue),
-        transaction_began_(true, false) {}
+        transaction_began_(WaitableEvent::ResetPolicy::MANUAL,
+                           WaitableEvent::InitialState::NOT_SIGNALED) {}
 
   // SimpleThread:
   void Run() override {
     std::unique_ptr<PriorityQueue::Transaction> transaction =
         priority_queue_->BeginTransaction();
     transaction_began_.Signal();
   }
 
   void ExpectTransactionDoesNotBegin() {
     // After a few milliseconds, the call to BeginTransaction() should not have
@@ skipping 132 matching lines @@
 
   // End the Transaction on the current thread.
   transaction.reset();
 
   // The other thread should exit after its call to BeginTransaction() returns.
   thread_beginning_transaction.Join();
 }
 
 }  // namespace internal
 }  // namespace base