Return the default argument.
This needs to be overridden by every default argument handler to properly do what is needed.
Overrides ArgumentDefaultPluginBase::get_argument
function get_argument() {
$path = NULL;
if ($this->options['use_alias']) {
$path = drupal_get_path_alias();
}
if ($arg = arg($this->options['index'], $path)) {
return $arg;
}
}