Migrate WaitableEvent to enum-based constructor in sync/

sync/test/fake_server/fake_server_http_post_provider.cc

 // Copyright 2014 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 "sync/test/fake_server/fake_server_http_post_provider.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 57 matching lines @@
   request_content_.assign(content, content_length);
 }
 
 bool FakeServerHttpPostProvider::MakeSynchronousPost(int* error_code,
                                                      int* response_code) {
   // It is assumed that a POST is being made to /command.
   int post_error_code = -1;
   int post_response_code = -1;
   std::string post_response;
 
-  base::WaitableEvent post_complete(false, false);
+  base::WaitableEvent post_complete(
+      base::WaitableEvent::ResetPolicy::AUTOMATIC,
+      base::WaitableEvent::InitialState::NOT_SIGNALED);
   base::Closure signal_closure = base::Bind(&base::WaitableEvent::Signal,
                                             base::Unretained(&post_complete));
 
   bool result = fake_server_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&FakeServer::HandleCommand,
                  fake_server_,
                  base::ConstRef(request_content_),
                  base::ConstRef(signal_closure),
                  &post_error_code,
@@ skipping 23 matching lines @@
 
 const std::string FakeServerHttpPostProvider::GetResponseHeaderValue(
     const std::string& name) const {
   return std::string();
 }
 
 void FakeServerHttpPostProvider::Abort() {
 }
 
 }  // namespace fake_server