1 files changed, 13 insertions, 0 deletions
diff --git a/testing/mochitest/tests/Harness_sanity/specialPowers_framescript.js b/testing/mochitest/tests/Harness_sanity/specialPowers_framescript.js
new file mode 100644
index 000000000..da1b87782
--- /dev/null
+++ b/testing/mochitest/tests/Harness_sanity/specialPowers_framescript.js
@@ -0,0 +1,13 @@
+Components.utils.import("resource://gre/modules/Services.jsm");
+
+var permChangedObs = {
+  observe: function(subject, topic, data) {
+    if (topic == 'perm-changed') {
+      var permission = subject.QueryInterface(Components.interfaces.nsIPermission);
+      var msg = { op: data, type: permission.type };
+      sendAsyncMessage('perm-changed', msg);
+    }
+  }
+};
+
+Services.obs.addObserver(permChangedObs, 'perm-changed', false);