Migrate WaitableEvent to enum-based constructor in base/

base/test/test_io_thread.cc

 // Copyright 2013 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/test/test_io_thread.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/synchronization/waitable_event.h"
 
@@ skipping 38 matching lines @@
   io_thread_started_ = false;
 }
 
 void TestIOThread::PostTask(const tracked_objects::Location& from_here,
                             const base::Closure& task) {
   task_runner()->PostTask(from_here, task);
 }
 
 void TestIOThread::PostTaskAndWait(const tracked_objects::Location& from_here,
                                    const base::Closure& task) {
-  base::WaitableEvent event(false, false);
+  base::WaitableEvent event(WaitableEvent::ResetPolicy::AUTOMATIC,
+                            WaitableEvent::InitialState::NOT_SIGNALED);
   task_runner()->PostTask(from_here,
                           base::Bind(&PostTaskAndWaitHelper, &event, task));
   event.Wait();
 }
 
 }  // namespace base