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Bug 1148103: P1. Fix mediasource "once" utility. r=karlt
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@ -55,7 +55,7 @@ function range(start, end) {
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function once(target, name, cb) {
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var p = new Promise(function(resolve, reject) {
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target.addEventListener(name, function() {
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target.removeEventListener(name, cb);
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target.removeEventListener(name, arguments.callee);
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resolve();
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});
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});
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