third_party/WebKit/LayoutTests/http/tests/linkHeader/link-dnsprefetch-in-image.html

   1 <!DOCTYPE html>
   2 <script>
   3     if (window.testRunner) {
   4         testRunner.dumpAsText();
   5         testRunner.waitUntilDone();
   6     }
   7     if (window.internals) {
   8         internals.settings.setLogDnsPrefetchAndPreconnect(true);
   9         internals.settings.setLinkHeaderEnabled(true);
  10     }
  11     document.write("<img src='resources/link-dnsprefetch-image.php' onload='if (window.testRunner)testRunner.notifyDone()'>");
  12 </script>
  13 This test checks if a Link header inside an iframe triggered a dns prefetch.