Migrate WaitableEvent to enum-based constructor in ppapi/

ppapi/proxy/ppp_messaging_proxy_perftest.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 "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/test/perf_time_logger.h"
 #include "ppapi/c/ppp_messaging.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/ppapi_proxy_test.h"
 #include "ppapi/proxy/serialized_var.h"
 #include "ppapi/shared_impl/ppapi_globals.h"
 #include "ppapi/shared_impl/proxy_lock.h"
 #include "ppapi/shared_impl/var.h"
 #include "ppapi/shared_impl/var_tracker.h"
 
 namespace ppapi {
 namespace proxy {
 namespace {
 
-base::WaitableEvent handle_message_called(false, false);
+base::WaitableEvent handle_message_called(
+    base::WaitableEvent::ResetPolicy::AUTOMATIC,
+    base::WaitableEvent::InitialState::NOT_SIGNALED);
 
 void HandleMessage(PP_Instance /* instance */, PP_Var message_data) {
   ppapi::ProxyAutoLock lock;
   StringVar* string_var = StringVar::FromPPVar(message_data);
   DCHECK(string_var);
   // Retrieve the string to make sure the proxy can't "optimize away" sending
   // the actual contents of the string (e.g., by doing a lazy retrieve or
   // something). Note that this test is for performance only, and assumes
   // other tests check for correctness.
   std::string s = string_var->value();
@@ skipping 52 matching lines @@
         ppapi::proxy::SerializedVarSendInput(host().host_dispatcher(),
                                              host_string)));
     handle_message_called.Wait();
     PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(host_string);
   }
 }
 
 }  // namespace proxy
 }  // namespace ppapi