DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (c68fe15a81fc)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>

async_test(t => {
async_test(t => {
  let iframe = document.createElement('iframe');
  let html = "<canvas id='canvas' width=10 height=10 />";
  iframe.srcdoc = html;
  iframe.onload = t.step_func_done(() => {
    // This detaches the frame while retaining a reference to an
    // This detaches the frame while retaining a reference to an
    // HTMLCanvasElement from it.
    let canvas = iframe.contentWindow.document.getElementById('canvas');
    document.body.removeChild(iframe);

    // Creation of the ImageCapture object (as part of the MediaStreamTrack)
    // Creation of the ImageCapture object (as part of the MediaStreamTrack)
    // should be safe even if the frame is detached.
    canvas.captureStream();
  });

  document.body.appendChild(iframe);
}, 'MediaStreamTrack can be obtained from a detached frame');


</script>
</body>