<li>The argument is an instanceof WebResourcePermission
 <li>The first URLPattern in the name of the argument permission is matched by the first URLPattern in the name of
 this permission.
 <li>The first URLPattern in the name of the argument permission is NOT matched by any URLPattern in the
 URLPatternList of the URLPatternSpec of this permission.
 <li>If the first URLPattern in the name of the argument permission matches the first URLPattern in the URLPatternSpec
 of this permission, then every URLPatter