Remove raw DictionaryValue::Set in //chrome

chrome/browser/supervised_user/supervised_user_settings_service.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/supervised_user/supervised_user_settings_service.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 436 matching lines @@
 base::DictionaryValue* SupervisedUserSettingsService::GetDictionaryAndSplitKey(
     std::string* key) const {
   size_t pos = key->find_first_of(kSplitSettingKeySeparator);
   if (pos == std::string::npos)
     return GetAtomicSettings();
 
   base::DictionaryValue* split_settings = GetSplitSettings();
   std::string prefix = key->substr(0, pos);
   base::DictionaryValue* dict = nullptr;
   if (!split_settings->GetDictionary(prefix, &dict)) {
-    dict = new base::DictionaryValue;
     DCHECK(!split_settings->HasKey(prefix));
-    split_settings->Set(prefix, dict);
+    dict = split_settings->SetDictionary(
+        prefix, base::MakeUnique<base::DictionaryValue>());
   }
   key->erase(0, pos + 1);
   return dict;
 }
 
 std::unique_ptr<base::DictionaryValue>
 SupervisedUserSettingsService::GetSettings() {
   DCHECK(IsReady());
   if (!active_ || initialization_failed_)
     return std::unique_ptr<base::DictionaryValue>();
 
   std::unique_ptr<base::DictionaryValue> settings(local_settings_->DeepCopy());
 
   base::DictionaryValue* atomic_settings = GetAtomicSettings();
   for (base::DictionaryValue::Iterator it(*atomic_settings); !it.IsAtEnd();
        it.Advance()) {
     if (!SettingShouldApplyToPrefs(it.key()))
       continue;
 
-    settings->Set(it.key(), it.value().DeepCopy());
+    settings->Set(it.key(), base::MakeUnique<base::Value>(it.value()));
   }
 
   base::DictionaryValue* split_settings = GetSplitSettings();
   for (base::DictionaryValue::Iterator it(*split_settings); !it.IsAtEnd();
        it.Advance()) {
     if (!SettingShouldApplyToPrefs(it.key()))
       continue;
 
-    settings->Set(it.key(), it.value().DeepCopy());
+    settings->Set(it.key(), base::MakeUnique<base::Value>(it.value()));
   }
 
   return settings;
 }
 
 void SupervisedUserSettingsService::InformSubscribers() {
   if (!IsReady())
     return;
 
   std::unique_ptr<base::DictionaryValue> settings = GetSettings();
   callback_list_.Notify(settings.get());
 }