rewrite Blob when URL object is not present
@@ -14,7 +14,7 @@
/*! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js */
if (typeof Blob !== "function")
if (typeof Blob !== "function" || typeof URL === "undefined")
var Blob = (function (view) {
"use strict";
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