Migrate WaitableEvent to enum-based constructor in ipc/

ipc/ipc_sync_message.cc

 // Copyright (c) 2012 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 "ipc/ipc_sync_message.h"
 
 #include <stdint.h>
 
 #include <stack>
 
 #include "base/atomic_sequence_num.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/synchronization/waitable_event.h"
 #include "build/build_config.h"
 
 namespace {
 
 struct WaitableEventLazyInstanceTraits
     : public base::DefaultLazyInstanceTraits<base::WaitableEvent> {
   static base::WaitableEvent* New(void* instance) {
     // Use placement new to initialize our instance in our preallocated space.
-    return new (instance) base::WaitableEvent(true, true);
+    return new (instance)
+        base::WaitableEvent(base::WaitableEvent::ResetPolicy::MANUAL,
+                            base::WaitableEvent::InitialState::SIGNALED);
   }
 };
 
 base::LazyInstance<base::WaitableEvent, WaitableEventLazyInstanceTraits>
     dummy_event = LAZY_INSTANCE_INITIALIZER;
 
 base::StaticAtomicSequenceNumber g_next_id;
 
 }  // namespace
 
@@ skipping 99 matching lines @@
 
   return true;
 }
 
 
 bool MessageReplyDeserializer::SerializeOutputParameters(const Message& msg) {
   return SerializeOutputParameters(msg, SyncMessage::GetDataIterator(&msg));
 }
 
 }  // namespace IPC