third_party/WebKit/LayoutTests/http/tests/security/isolatedWorld/media-query-wrapper-leaks.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <p>MediaQueryListener should be triggered in the isolated world that created the MediaQueryListener.</p>
   5 <div id="result"></div>
   6 <script>
   7 if (window.testRunner) {
   8     testRunner.dumpAsText();
   9     testRunner.waitUntilDone();
  10 }
  11
  12 testRunner.evaluateScriptInIsolatedWorld(1,
  13     'var query = window.matchMedia("(-webkit-min-device-pixel-ratio: 3)");'+
  14     'query.expando = "nyan";'+
  15     'query.addListener(function (query) {'+
  16     '    document.querySelector("#result").innerHTML = query.expando === "nyan" ? "PASS" : "FAIL";'+
  17     '});');
  18
  19 window.internals.settings.setMediaTypeOverride("print");
  20 setTimeout(function () { testRunner.notifyDone(); }, 0);
  21 </script>
  22 </body>
  23 </html>
  24