Migrate WaitableEvent to enum-based constructor in chrome/

chrome/browser/profiles/profile_browsertest.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/profiles/profile.h"
 
 #include <stddef.h>
 
 #include <memory>
 
@@ skipping 112 matching lines @@
     created_by_version = "1.0.0.0";
   }
   std::string pref_version =
       ChromeVersionService::GetVersion(profile->GetPrefs());
   // Assert that created_by_version pref gets set to current version.
   EXPECT_EQ(created_by_version, pref_version);
 }
 
 void FlushTaskRunner(base::SequencedTaskRunner* runner) {
   ASSERT_TRUE(runner);
-  base::WaitableEvent unblock(false, false);
+  base::WaitableEvent unblock(base::WaitableEvent::ResetPolicy::AUTOMATIC,
+                              base::WaitableEvent::InitialState::NOT_SIGNALED);
 
   runner->PostTask(FROM_HERE,
       base::Bind(&base::WaitableEvent::Signal, base::Unretained(&unblock)));
 
   unblock.Wait();
 }
 
 void SpinThreads() {
   // Give threads a chance to do their stuff before shutting down (i.e.
   // deleting scoped temp dir etc).
@@ skipping 535 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(ProfileBrowserTest,
                        URLFetcherUsingExtensionContextDuringIncognitoTeardown) {
   Browser* incognito_browser =
       OpenURLOffTheRecord(browser()->profile(), GURL("about:blank"));
 
   RunURLFetcherActiveDuringIncognitoTeardownTest(
       incognito_browser,
       incognito_browser->profile()->GetRequestContextForExtensions());
 }