import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
150858 changed files with 23884658 additions and 0 deletions

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<html>
<head>
<script>
function loaded() {
var node = document;
var handler = function(operation, key, data, src, dst) { alert(data); };
node.setUserData("foo", "data", handler);
}
</script>
</head>
<body onload="loaded();">
<div id="elem"></div>
</body>
</html>