Remove raw base::DictionaryValue::SetWithoutPathExpansion

services/preferences/tracked/pref_hash_filter_unittest.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 "services/preferences/tracked/pref_hash_filter.h"
 
 #include <stddef.h>
 
 #include <map>
 #include <memory>
@@ skipping 391 matching lines @@
   // Records calls to this mock's SetMac/SetSplitMac methods.
   void RecordSetMac(const std::string& path, const std::string& mac) {
     dictionary_.SetStringWithoutPathExpansion(path, mac);
   }
   void RecordSetSplitMac(const std::string& path,
                          const std::string& split_path,
                          const std::string& mac) {
     base::DictionaryValue* mac_dict = nullptr;
     dictionary_.GetDictionaryWithoutPathExpansion(path, &mac_dict);
     if (!mac_dict) {
-      mac_dict = new base::DictionaryValue;
-      dictionary_.SetWithoutPathExpansion(path, mac_dict);
+      mac_dict = dictionary_.SetDictionaryWithoutPathExpansion(
+          path, base::MakeUnique<base::DictionaryValue>());
     }
     mac_dict->SetStringWithoutPathExpansion(split_path, mac);
   }
 
   // Records a call to this mock's RemoveEntry method.
   void RecordRemoveEntry(const std::string& path) {
     // Don't expect the same pref to be cleared more than once.
     EXPECT_EQ(removed_entries_.end(), removed_entries_.find(path));
     removed_entries_.insert(path);
   }
@@ skipping 922 matching lines @@
                 ValueState::CHANGED));
   ASSERT_EQ(arraysize(kTestTrackedPrefs) - 2u,
             mock_validation_delegate_record_->CountExternalValidationsOfState(
                 ValueState::UNCHANGED));
 }
 
 INSTANTIATE_TEST_CASE_P(PrefHashFilterTestInstance,
                         PrefHashFilterTest,
                         testing::Values(EnforcementLevel::NO_ENFORCEMENT,
                                         EnforcementLevel::ENFORCE_ON_LOAD));