Convert FieldTrialList to Accept a std::unique_ptr

chrome/browser/win/chrome_elf_init_unittest.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 "chrome/browser/win/chrome_elf_init.h"
 
 #include <memory>
 
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/test_reg_util_win.h"
 #include "chrome/common/chrome_version.h"
 #include "chrome_elf/chrome_elf_constants.h"
 #include "components/variations/entropy_provider.h"
 #include "components/variations/variations_associated_data.h"
 #include "components/version_info/version_info.h"
 #include "content/public/test/test_browser_thread_bundle.h"
@@ skipping 62 matching lines @@
 // Ensure that the blacklist is disabled for any users in the
 // "BlacklistDisabled" finch group.
 TEST_F(ChromeBlacklistTrialTest, BlacklistDisabledRun) {
   // Set the beacons to enabled values.
   blacklist_registry_key_->WriteValue(blacklist::kBeaconState,
                                       blacklist::BLACKLIST_ENABLED);
   blacklist_registry_key_->WriteValue(blacklist::kBeaconVersion, L"Data");
 
   // Create the field trial with the blacklist disabled group.
   base::FieldTrialList field_trial_list(
-    new metrics::SHA1EntropyProvider("test"));
+      base::MakeUnique<metrics::SHA1EntropyProvider>("test"));
 
   scoped_refptr<base::FieldTrial> trial(
     base::FieldTrialList::CreateFieldTrial(
       kBrowserBlacklistTrialName, kBrowserBlacklistTrialDisabledGroupName));
 
   // This setup code should now delete any existing blacklist beacons.
   InitializeChromeElf();
 
   // Ensure invalid values are returned to indicate that the beacon
   // values are indeed gone.
@@ skipping 45 matching lines @@
   ASSERT_EQ(expected_version, GetBlacklistVersion());
 
   // The counter should be reset.
   DWORD attempt_count = blacklist::kBeaconMaxAttempts;
   blacklist_registry_key_->ReadValueDW(blacklist::kBeaconAttemptCount,
                                        &attempt_count);
   ASSERT_EQ(static_cast<DWORD>(0), attempt_count);
 }
 
 }  // namespace