diff -r 000000000000 -r 6474c204b198 dom/xslt/tests/XSLTMark/XSLTMark-test.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/xslt/tests/XSLTMark/XSLTMark-test.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,46 @@
+/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var gParser = new DOMParser;
+var gTimeout;
+
+function Test(aTitle, aSourceURL, aStyleURL, aNumber, aObserver)
+{
+    this.mTitle = aTitle;
+    this.mObserver = aObserver;
+    this.mTotal = aNumber;
+    this.mDone = 0;
+    var xmlcontent = loadFile(aSourceURL);
+    var xslcontent = loadFile(aStyleURL);
+    this.mSource = gParser.parseFromString(xmlcontent, 'application/xml');
+    this.mStyle = gParser.parseFromString(xslcontent, 'application/xml');
+}
+
+function runTest(aTitle, aSourceURL, aStyleURL, aNumber, aObserver)
+{
+    test = new Test(aTitle, aSourceURL, aStyleURL, aNumber,
+                        aObserver);
+    gTimeout = setTimeout(onNextTransform, 100, test, 0);
+}
+
+function onNextTransform(aTest, aNumber)
+{
+    var proc = new XSLTProcessor;
+    var startTime = Date.now();
+    proc.importStylesheet(aTest.mStyle);
+    var res = proc.transformToDocument(aTest.mSource);
+    var endTime = Date.now();
+    aNumber++;
+    var progress = aNumber / aTest.mTotal * 100;
+    if (aTest.mObserver) {
+        aTest.mObserver.progress(aTest.mTitle, endTime - startTime,
+                                 progress);
+    }
+    if (aNumber < aTest.mTotal) {
+        gTimeout = setTimeout(onNextTransform, 100, aTest, aNumber);
+    } else if (aTest.mObserver) {
+        aTest.mObserver.done(aTest.mTitle);
+    }
+}