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<!doctype html>
<html>
<head>
<script type="application/javascript">
function waitForMessage() {
return new Promise(function(resolve) {
window.addEventListener('message', function(evt) {
resolve(evt.data);
}, {once: true});
});
}
// Set up the objects for cloning.
function setup() {
window.testObject = { myNumber: 42,
myString: "hello",
myImageData: new ImageData(10, 10) };
}
// Called by the chrome parent window.
function tryToClone(obj, shouldSucceed, message) {
var success = false;
try { window.postMessage(obj, '*'); success = true; }
catch (e) { message = message + ' (threw: ' + e.message + ')'; }
is(success, shouldSucceed, message);
return (success && shouldSucceed) ? waitForMessage() : Promise.resolve();
}
</script>
</head>
<body onload="setup()">
<input id="fileinput" type="file"></input>
</body>
</html>
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