Rewrite simple uses of base::ListValue::Append(base::Value*) on CrOS.

chrome/browser/chromeos/policy/configuration_policy_handler_chromeos.cc

Index: chrome/browser/chromeos/policy/configuration_policy_handler_chromeos.cc
diff --git a/chrome/browser/chromeos/policy/configuration_policy_handler_chromeos.cc b/chrome/browser/chromeos/policy/configuration_policy_handler_chromeos.cc
index 722ebac55c91c65d7b96a9b6c3a3569a2edad3be..4298169c71616b684dd4432bfc5982cea839488d 100644
--- a/chrome/browser/chromeos/policy/configuration_policy_handler_chromeos.cc
+++ b/chrome/browser/chromeos/policy/configuration_policy_handler_chromeos.cc
@@ -328,9 +328,10 @@ void PinnedLauncherAppsPolicyHandler::ApplyPolicySettings(
          entry != policy_list->end(); ++entry) {
       std::string id;
       if ((*entry)->GetAsString(&id)) {
-        base::DictionaryValue* app_dict = new base::DictionaryValue();
+        std::unique_ptr<base::DictionaryValue> app_dict(
+            new base::DictionaryValue());
         app_dict->SetString(ash::launcher::kPinnedAppsPrefAppIDPath, id);
-        pinned_apps_list->Append(app_dict);
+        pinned_apps_list->Append(std::move(app_dict));
       }
     }
     prefs->SetValue(pref_path(), std::move(pinned_apps_list));