Migrate WaitableEvent to enum-based constructor in content/

content/child/fileapi/webfilewriter_impl.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 "content/child/fileapi/webfilewriter_impl.h"
 
 #include "base/bind.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "content/child/child_thread_impl.h"
@@ skipping 18 matching lines @@
 // on main thread.
 class WebFileWriterImpl::WriterBridge
     : public base::RefCountedThreadSafe<WriterBridge> {
  public:
   WriterBridge(WebFileWriterImpl::Type type)
       : request_id_(0),
         running_on_worker_(WorkerThread::GetCurrentId() > 0),
         task_runner_(running_on_worker_ ? base::ThreadTaskRunnerHandle::Get()
                                         : nullptr),
         written_bytes_(0) {
-    if (type == WebFileWriterImpl::TYPE_SYNC)
-      waitable_event_.reset(new base::WaitableEvent(false, false));
+    if (type == WebFileWriterImpl::TYPE_SYNC) {
+      waitable_event_.reset(new base::WaitableEvent(
+          base::WaitableEvent::ResetPolicy::AUTOMATIC,
+          base::WaitableEvent::InitialState::NOT_SIGNALED));
+    }
   }
 
   void Truncate(const GURL& path,
                 int64_t offset,
                 const StatusCallback& status_callback) {
     status_callback_ = status_callback;
     if (!GetFileSystemDispatcher())
       return;
     ChildThreadImpl::current()->file_system_dispatcher()->Truncate(
         path, offset, &request_id_,
@@ skipping 112 matching lines @@
     DCHECK(!bridge_->waitable_event());
     closure.Run();
     return;
   }
   main_thread_task_runner_->PostTask(FROM_HERE, closure);
   if (bridge_->waitable_event())
     bridge_->WaitAndRun();
 }
 
 }  // namespace content