Manual refactor to enum-based WaitableEvent for remaining _win files

net/proxy/dhcp_proxy_script_fetcher_win_unittest.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 "net/proxy/dhcp_proxy_script_fetcher_win.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 268 matching lines @@
 
     std::vector<std::string> mock_adapter_names_;
 
    private:
     ~MockAdapterQuery() override {}
   };
 
   MockDhcpProxyScriptFetcherWin(URLRequestContext* context)
       : DhcpProxyScriptFetcherWin(context),
         num_fetchers_created_(0),
-        worker_finished_event_(true, false) {
+        worker_finished_event_(
+            base::WaitableEvent::ResetPolicy::MANUAL,
+            base::WaitableEvent::InitialState::NOT_SIGNALED) {
     ResetTestState();
   }
 
   ~MockDhcpProxyScriptFetcherWin() override { ResetTestState(); }
 
   using DhcpProxyScriptFetcherWin::GetTaskRunner;
 
   // Adds a fetcher object to the queue of fetchers used by
   // |ImplCreateAdapterFetcher()|, and its name to the list of adapters
   // returned by ImplGetCandidateAdapterNames.
@@ skipping 339 matching lines @@
   }
 
   // Re-do the first test to make sure the last test that was run did
   // not leave things in a bad state.
   (*test_functions.begin())(&client);
 }
 
 }  // namespace
 
 }  // namespace net