canvas_popup.html | Explore in Territory

<!DOCTYPE HTML>
<html>
<head>
<script>
function popup() {
  var w = window.open("","","width=200,height=200");
  var canvas = w.document.createElement("canvas");
  canvas.width = 100;
  canvas.height = 100;
  w.document.body.appendChild(canvas);

  var ctx = canvas.getContext('2d');
  ctx.fillStyle = "rgb(255,165,0)";
  ctx.fillRect(0, 0, 100, 100);

  var imageData = ctx.getImageData(50, 50, 1, 1);
  document.title = imageData.data[0] + ", " +
      imageData.data[1] + ", " +
      imageData.data[2];

  if (imageData.data[0] == 255 &&
      imageData.data[1] == 165 &&
      imageData.data[2] == 0)
    window.domAutomationController.send("SUCCESS");
  else
    window.domAutomationController.send("FAILED");
}
</script>
</head>
<body onload="popup()">
</body>
</html>

chromium/chrome/test/data/gpu/canvas_popup.html