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| (Empty) |  | 
 |   1 <!DOCTYPE html> | 
 |   2 <title>overflow of root element when descendant is fullscreen</title> | 
 |   3 <script src="../../resources/testharness.js"></script> | 
 |   4 <script src="../../resources/testharnessreport.js"></script> | 
 |   5 <script src="../trusted-event.js"></script> | 
 |   6 <style>:root { overflow: scroll; }</style> | 
 |   7 <div id="log"></div> | 
 |   8 <script> | 
 |   9 async_test(function() | 
 |  10 { | 
 |  11     var root = document.documentElement; | 
 |  12     trusted_request(document.querySelector("div")); | 
 |  13  | 
 |  14     document.addEventListener("fullscreenchange", this.step_func_done(function() | 
 |  15     { | 
 |  16         // The scrollbar should be removed. | 
 |  17         assert_equals(getComputedStyle(root).overflow, "hidden"); | 
 |  18         assert_equals(root.clientWidth, window.innerWidth); | 
 |  19     })); | 
 |  20 }); | 
 |  21 </script> | 
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