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>
<title>Iframe test for bug 38959</title>
</head>
<body">
<script>
x = true;
window.opener.postMessage(2, "http://mochi.test:8888");
window.close();
</script>
</body>
</html>