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

chrome/browser/prefs/synced_pref_change_registrar_browsertest.cc

 // Copyright 2013 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 <memory>
 #include <string>
 
 #include "base/json/json_string_value_serializer.h"
 #include "base/memory/ptr_util.h"
 #include "base/time/time.h"
@@ skipping 164 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(SyncedPrefChangeRegistrarTest,
                        IgnoreLocalChangesToManagedPrefs) {
   TestSyncedPrefObserver observer = {};
   registrar()->Add(prefs::kShowHomeButton,
       base::Bind(&TestPrefChangeCallback, prefs(), &observer));
 
   policy::PolicyMap policies;
   policies.Set(policy::key::kShowHomeButton, policy::POLICY_LEVEL_MANDATORY,
                policy::POLICY_SCOPE_USER, policy::POLICY_SOURCE_CLOUD,
-               base::WrapUnique(new base::FundamentalValue(true)), nullptr);
+               base::MakeUnique<base::FundamentalValue>(true), nullptr);
   UpdateChromePolicy(policies);
 
   EXPECT_TRUE(prefs()->IsManagedPreference(prefs::kShowHomeButton));
 
   SetBooleanPrefValueFromLocal(prefs::kShowHomeButton, false);
   EXPECT_FALSE(observer.has_been_notified);
   EXPECT_TRUE(GetBooleanPrefValue(prefs::kShowHomeButton));
 }
 
 IN_PROC_BROWSER_TEST_F(SyncedPrefChangeRegistrarTest,
                        IgnoreSyncChangesToManagedPrefs) {
   TestSyncedPrefObserver observer = {};
   registrar()->Add(prefs::kShowHomeButton,
       base::Bind(&TestPrefChangeCallback, prefs(), &observer));
 
   policy::PolicyMap policies;
   policies.Set(policy::key::kShowHomeButton, policy::POLICY_LEVEL_MANDATORY,
                policy::POLICY_SCOPE_USER, policy::POLICY_SOURCE_CLOUD,
-               base::WrapUnique(new base::FundamentalValue(true)), nullptr);
+               base::MakeUnique<base::FundamentalValue>(true), nullptr);
   UpdateChromePolicy(policies);
 
   EXPECT_TRUE(prefs()->IsManagedPreference(prefs::kShowHomeButton));
   SetBooleanPrefValueFromSync(prefs::kShowHomeButton, false);
   EXPECT_FALSE(observer.has_been_notified);
   EXPECT_TRUE(GetBooleanPrefValue(prefs::kShowHomeButton));
 }