  PushMessagingAppIdentifier GetAppIdentifierForServiceWorkerRegistration(
      int64_t service_worker_registration_id,
      const GURL& origin) {
    PushMessagingAppIdentifier app_identifier =
        PushMessagingAppIdentifier::FindByServiceWorker(
            profile(), origin, service_worker_registration_id);

    EXPECT_FALSE(app_identifier.is_null());
    return app_identifier;
  }

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.