Remove raw DictionaryValue::Set in //chrome

chrome/browser/speech/extension_api/tts_extension_api.cc

 // Copyright (c) 2012 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/speech/extension_api/tts_extension_api.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
@@ skipping 301 matching lines @@
 
 ExtensionFunction::ResponseAction TtsIsSpeakingFunction::Run() {
   return RespondNow(OneArgument(base::MakeUnique<base::Value>(
       TtsController::GetInstance()->IsSpeaking())));
 }
 
 ExtensionFunction::ResponseAction TtsGetVoicesFunction::Run() {
   std::vector<VoiceData> voices;
   TtsController::GetInstance()->GetVoices(browser_context(), &voices);
 
-  std::unique_ptr<base::ListValue> result_voices(new base::ListValue());
+  auto result_voices = base::MakeUnique<base::ListValue>();
   for (size_t i = 0; i < voices.size(); ++i) {
     const VoiceData& voice = voices[i];
     std::unique_ptr<base::DictionaryValue> result_voice(
         new base::DictionaryValue());
     result_voice->SetString(constants::kVoiceNameKey, voice.name);
     result_voice->SetBoolean(constants::kRemoteKey, voice.remote);
     if (!voice.lang.empty())
       result_voice->SetString(constants::kLangKey, voice.lang);
     if (voice.gender == TTS_GENDER_MALE)
       result_voice->SetString(constants::kGenderKey, constants::kGenderMale);
     else if (voice.gender == TTS_GENDER_FEMALE)
       result_voice->SetString(constants::kGenderKey, constants::kGenderFemale);
     if (!voice.extension_id.empty())
       result_voice->SetString(constants::kExtensionIdKey, voice.extension_id);
 
-    base::ListValue* event_types = new base::ListValue();
+    auto event_types = base::MakeUnique<base::ListValue>();
     for (std::set<TtsEventType>::iterator iter = voice.events.begin();
          iter != voice.events.end(); ++iter) {
       const char* event_name_constant = TtsEventTypeToString(*iter);
       event_types->AppendString(event_name_constant);
     }
-    result_voice->Set(constants::kEventTypesKey, event_types);
+    result_voice->Set(constants::kEventTypesKey, std::move(event_types));
 
     result_voices->Append(std::move(result_voice));
   }
 
   return RespondNow(OneArgument(std::move(result_voices)));
 }
 
 TtsAPI::TtsAPI(content::BrowserContext* context) {
   ExtensionFunctionRegistry* registry =
       ExtensionFunctionRegistry::GetInstance();
@@ skipping 14 matching lines @@
 
 static base::LazyInstance<
     BrowserContextKeyedAPIFactory<TtsAPI>>::DestructorAtExit g_factory =
     LAZY_INSTANCE_INITIALIZER;
 
 BrowserContextKeyedAPIFactory<TtsAPI>* TtsAPI::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 }  // namespace extensions