Stop passing raw pointers to base::Value API in c/b/ui

chrome/browser/ui/webui/options/language_options_handler_common.cc

Index: chrome/browser/ui/webui/options/language_options_handler_common.cc
diff --git a/chrome/browser/ui/webui/options/language_options_handler_common.cc b/chrome/browser/ui/webui/options/language_options_handler_common.cc
index 151d4d70b422827517737f4850fc91f20cc55013..fd127384e773e6139bb9f32a17eb41225ccf62d4 100644
--- a/chrome/browser/ui/webui/options/language_options_handler_common.cc
+++ b/chrome/browser/ui/webui/options/language_options_handler_common.cc
@@ -14,6 +14,7 @@
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/user_metrics.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ -117,13 +118,14 @@ void LanguageOptionsHandlerCommon::GetLocalizedValues(
   std::vector<std::string> languages;
   translate::TranslateDownloadManager::GetSupportedLanguages(&languages);
 
-  base::ListValue* languages_list = new base::ListValue();
+  auto languages_list = base::MakeUnique<base::ListValue>();
   for (std::vector<std::string>::iterator it = languages.begin();
        it != languages.end(); ++it) {
     languages_list->AppendString(*it);
   }
 
-  localized_strings->Set("translateSupportedLanguages", languages_list);
+  localized_strings->Set("translateSupportedLanguages",
+                         std::move(languages_list));
 }
 
 void LanguageOptionsHandlerCommon::Uninitialize() {
@@ -183,8 +185,9 @@ void LanguageOptionsHandlerCommon::OnHunspellDictionaryDownloadFailure(
       base::Value(language));
 }
 
-base::DictionaryValue* LanguageOptionsHandlerCommon::GetUILanguageCodeSet() {
-  base::DictionaryValue* dictionary = new base::DictionaryValue();
+std::unique_ptr<base::DictionaryValue>
+LanguageOptionsHandlerCommon::GetUILanguageCodeSet() {
+  auto dictionary = base::MakeUnique<base::DictionaryValue>();
   const std::vector<std::string>& available_locales =
       l10n_util::GetAvailableLocales();
   for (size_t i = 0; i < available_locales.size(); ++i)
@@ -192,9 +195,9 @@ base::DictionaryValue* LanguageOptionsHandlerCommon::GetUILanguageCodeSet() {
   return dictionary;
 }
 
-base::DictionaryValue*
+std::unique_ptr<base::DictionaryValue>
 LanguageOptionsHandlerCommon::GetSpellCheckLanguageCodeSet() {
-  base::DictionaryValue* dictionary = new base::DictionaryValue();
+  auto dictionary = base::MakeUnique<base::DictionaryValue>();
   std::vector<std::string> spell_check_languages;
   spellcheck::SpellCheckLanguages(&spell_check_languages);
   for (size_t i = 0; i < spell_check_languages.size(); ++i) {