diff -r 000000000000 -r 6474c204b198 dom/tests/js/ssheets.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/tests/js/ssheets.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,27 @@
+/* -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 s;
+for (s = 0; s < document.styleSheets.length; s++) {
+   var sheet = document.styleSheets[s];
+   dump("Style sheet #" + (s+1) + ": " + sheet.title + "\n");
+   var i, r;
+   dump("\n");
+   for (i = 0; i < sheet.imports.length; i++) {
+      dump("@import url(" + sheet.imports[i].href + ");\n");
+   }
+   dump("\n");
+   for (r = 0; r < sheet.rules.length; r++) {
+     var rule = sheet.rules[r];
+     dump(rule.selectorText + "  {" + "\n");
+     var style = rule.style;
+     var p;
+     for (p = 0; p < style.length; p++) {
+	dump("    " + style[p] + ":" + style.getPropertyValue(style[p]) + ";\n");
+     }
+     dump("    }\n");
+   }
+   dump("\n");
+} 
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