Support mobileid permission (bug 1082053)

Permission is privileged according to
http://dxr.mozilla.org/mozilla-central/source/dom/apps/PermissionsTable.jsm#448.

appvalidator/constants.py

@@ -39,7 +39,8 @@ PERMISSIONS = {
         'camera', 'contacts', 'device-storage:pictures',
         'device-storage:videos', 'device-storage:music',
         'device-storage:sdcard', 'feature-detection',
-        'input', 'mobilenetwork', 'speaker-control', 'systemXHR', 'tcp-socket'
+        'input', 'mobileid', 'mobilenetwork', 'speaker-control', 'systemXHR',
+        'tcp-socket'
     ]),
     'certified': set([
         'attention', 'audio-channel-ringer', 'audio-channel-telephony',

tests/test_webapp.py

@@ -828,6 +828,12 @@ class TestWebapps(WebappBaseTestCase):
         self.analyze()
         self.assert_failed(with_errors=True)
 
+    def test_permissions_mobileid(self):
+        self.set_permissions()
+        self.data["permissions"]["mobileid"] = {"description": "cause"}
+        self.analyze()
+        self.assert_silent()
+
     def test_csp(self):
         self.data['csp'] = 'this is the csp policy. it can be a string.'
         self.analyze()