diff -r 000000000000 -r 6474c204b198 layout/reftests/svg/smil/smil-util.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/reftests/svg/smil/smil-util.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+// Seeks to the given time and then removes the SVG document's class to trigger
+// a reftest snapshot. If pauseFlag is true, animations will be paused.
+function setTimeAndSnapshot(timeInSeconds, pauseFlag) {
+  var svg = document.documentElement;
+  if (pauseFlag) {
+    svg.pauseAnimations();
+  }
+  svg.setCurrentTime(timeInSeconds);
+  svg.removeAttribute("class");
+}