Convert FieldTrialList to Accept a std::unique_ptr

chrome/browser/signin/cross_device_promo_unittest.cc

 // Copyright 2015 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/signin/cross_device_promo.h"
 
 #include <stdint.h>
 
 #include <map>
 #include <string>
@@ skipping 146 matching lines @@
       SigninManagerFactory::GetForProfile(profile()));
 
   cross_device_promo_ = CrossDevicePromoFactory::GetForProfile(profile());
 }
 
 void CrossDevicePromoTest::ResetFieldTrialList() {
   // Destroy the existing FieldTrialList before creating a new one to avoid
   // a DCHECK.
   field_trial_list_.reset();
   field_trial_list_.reset(
-      new base::FieldTrialList(new metrics::SHA1EntropyProvider("foo")));
+      new base::FieldTrialList(
+          base::MakeUnique<metrics::SHA1EntropyProvider>("foo")));
   variations::testing::ClearAllVariationParams();
 }
 
 void CrossDevicePromoTest::InitPromoVariation() {
   VariationsMap variations_params;
   variations_params[
       CrossDevicePromo::kParamHoursBetweenDeviceActivityChecks] = "2";
   variations_params[
       CrossDevicePromo::kParamDaysToVerifySingleUserProfile] = "0";
   variations_params[
@@ skipping 489 matching lines @@
     EXPECT_EQ(2, prefs()->GetInteger(prefs::kCrossDevicePromoNumDevices));
     EXPECT_EQ(device2_last_active.ToInternalValue(),
               prefs()->GetInt64(prefs::kCrossDevicePromoLastDeviceActiveTime));
     EXPECT_TRUE(prefs()->GetBoolean(prefs::kCrossDevicePromoShouldBeShown));
     test_two_devices.ExpectUniqueSample("Signin.XDevicePromo.Eligibility",
                                         signin_metrics::ELIGIBLE, 1);
     EXPECT_TRUE(observer.is_eligible());
     EXPECT_EQ(1, observer.times_set_eligible());
   }
 }