Rewrite simple uses of base::ListValue::Append() taking a raw pointer var.

chrome/browser/ui/webui/options/language_options_handler.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/ui/webui/options/language_options_handler.h"
 
 #include <stddef.h>
 
 #include <map>
+#include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/i18n/rtl.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 76 matching lines @@
     base::string16 adjusted_display_name(display_name);
     base::i18n::AdjustStringForLocaleDirection(&adjusted_display_name);
 
     const LanguagePair& pair = language_map[display_name];
     base::string16 adjusted_native_display_name(pair.second);
     base::i18n::AdjustStringForLocaleDirection(&adjusted_native_display_name);
 
     bool has_rtl_chars = base::i18n::StringContainsStrongRTLChars(display_name);
     std::string directionality = has_rtl_chars ? "rtl" : "ltr";
 
-    base::DictionaryValue* dictionary = new base::DictionaryValue();
+    std::unique_ptr<base::DictionaryValue> dictionary(
+        new base::DictionaryValue());
     dictionary->SetString("code",  pair.first);
     dictionary->SetString("displayName", adjusted_display_name);
     dictionary->SetString("textDirection", directionality);
     dictionary->SetString("nativeDisplayName", adjusted_native_display_name);
-    language_list->Append(dictionary);
+    language_list->Append(std::move(dictionary));
   }
 
   return language_list;
 }
 
 void LanguageOptionsHandler::SetApplicationLocale(
     const std::string& language_code) {
   PrefService* pref_service = g_browser_process->local_state();
   pref_service->SetString(prefs::kApplicationLocale, language_code);
 }
 
 void LanguageOptionsHandler::RestartCallback(const base::ListValue* args) {
   content::RecordAction(UserMetricsAction("LanguageOptions_Restart"));
   chrome::AttemptRestart();
 }
 
 }  // namespace options