testing/mochitest/tests/Harness_sanity/specialPowers_framescript.js


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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);