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Test Info:

<!doctype html>
<title>Cloning objects, preserving sharing #2</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<canvas id="a" width=30 height=30></canvas>
<div id=log></div>
<script>
async_test(function() {
var canvas = document.getElementsByTagName("canvas")[0];
var context = canvas.getContext("2d");
var img_data = context.getImageData(0, 0, 30, 30);
var obj = {a: img_data, b: {c: img_data, d: 3}};
postMessage(obj, '*');
onmessage = this.step_func(function(e) {
assert_equals(e.data.a, e.data.b.c);
this.done();
});
});
</script>