chrome/test/data/durable/durability-permissions.html

   1 <!DOCTYPE HTML>
   2 <script>
   3
   4 function checkPermission() {
   5   navigator.storage.persistentPermission().then(function(permission) {
   6     window.domAutomationController.send(permission);
   7   });
   8 }
   9
  10 function requestPermission() {
  11   navigator.storage.requestPersistent().then(function(is_persistent) {
  12     window.domAutomationController.send(is_persistent);
  13   });
  14 }
  15 </script>