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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<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
</head>
<body onload="setupCaret()" spellcheck="false">
<div contenteditable>a<span>b</span>c </div>
<script>
function setupCaret() {
var div = document.querySelector("div");
div.focus();
var sel = window.getSelection();
sel.collapse(div, 3);
synthesizeKey("VK_BACK_SPACE", {});
synthesizeKey("VK_BACK_SPACE", {});
}
</script>
</body>
</html>