Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/chromeos/login/saml/saml_browsertest.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 <cstring>
 #include <memory>
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 1003 matching lines @@
       ->GetShillManagerClient()
       ->GetTestInterface()
       ->SetupDefaultEnvironment();
 }
 
 void SAMLPolicyTest::SetSAMLOfflineSigninTimeLimitPolicy(int limit) {
   policy::PolicyMap user_policy;
   user_policy.Set(policy::key::kSAMLOfflineSigninTimeLimit,
                   policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
                   policy::POLICY_SOURCE_CLOUD,
-                  base::WrapUnique(new base::FundamentalValue(limit)), nullptr);
+                  base::MakeUnique<base::FundamentalValue>(limit), nullptr);
   provider_.UpdateChromePolicy(user_policy);
   base::RunLoop().RunUntilIdle();
 }
 
 void SAMLPolicyTest::EnableTransferSAMLCookiesPolicy() {
   em::ChromeDeviceSettingsProto& proto(device_policy_->payload());
   proto.mutable_saml_settings()->set_transfer_saml_cookies(true);
 
   base::RunLoop run_loop;
   std::unique_ptr<CrosSettings::ObserverSubscription> observer =
@@ skipping 325 matching lines @@
 
   // Scraping one password should finish login.
   content::WindowedNotificationObserver session_start_waiter(
       chrome::NOTIFICATION_SESSION_STARTED,
       content::NotificationService::AllSources());
   ExecuteJsInSigninFrame("document.getElementById('Submit').click();");
   session_start_waiter.Wait();
 }
 
 }  // namespace chromeos