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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
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36
dom/svg/test/tearoff_with_cc_helper.html
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36
dom/svg/test/tearoff_with_cc_helper.html
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<!DOCTYPE html>
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<html>
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<body onload="go()">
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<svg id="outerSvg" width="50%" height="50%"
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style="border: 1px solid black">
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</svg>
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<script type="application/javascript">
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/* I'm not sure what exactly was required to trigger bug 1288228's crash,
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* but it involved tweaking a length's specified units and cycle-collecting
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* and reloading (in some combination). So, we'll tweak the units and
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* cycle-collect a few times, and message the outer page to reload us
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* after we've made the first tweak.
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*/
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const maxTweaks = 5;
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let remainingTweaks = maxTweaks;
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var savedBaseVal = document.getElementById("outerSvg").width.baseVal;
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function go() {
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window.parent.SpecialPowers.DOMWindowUtils.cycleCollect();
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tweak();
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}
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function tweak() {
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console.log("tweaked");
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savedBaseVal.convertToSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PX);
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savedBaseVal.convertToSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PERCENTAGE);
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if (remainingTweaks == maxTweaks) {
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window.parent.postMessage("ping", "*"); // only do this on first tweak
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}
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if (--remainingTweaks) {
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setTimeout(tweak, 0);
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}
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}
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</script>
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</body>
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</html>
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