Migrate WaitableEvent to enum-based constructor in chrome/

chrome/browser/browser_process_impl.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 "chrome/browser/browser_process_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 383 matching lines @@
 
   // The count starts at one to defer the possibility of one->zero transitions
   // until TimedWait is called.
   base::AtomicRefCount count_;
   base::WaitableEvent waitable_event_;
 
   DISALLOW_COPY_AND_ASSIGN(RundownTaskCounter);
 };
 
 RundownTaskCounter::RundownTaskCounter()
-    : count_(1), waitable_event_(true, false) {
-}
+    : count_(1),
+      waitable_event_(base::WaitableEvent::ResetPolicy::MANUAL,
+                      base::WaitableEvent::InitialState::NOT_SIGNALED) {}
 
 void RundownTaskCounter::Post(base::SequencedTaskRunner* task_runner) {
   // As the count starts off at one, it should never get to zero unless
   // TimedWait has been called.
   DCHECK(!base::AtomicRefCountIsZero(&count_));
 
   base::AtomicRefCountInc(&count_);
 
   // The task must be non-nestable to guarantee that it runs after all tasks
   // currently scheduled on |task_runner| have completed.
@@ skipping 880 matching lines @@
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartBackgroundInstance();
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)