Updated SVGListPropertyHelper as per SVG2 Spec

LayoutTests/svg/dom/resources/SVGTransformList-helper.js

Index: LayoutTests/svg/dom/resources/SVGTransformList-helper.js
diff --git a/LayoutTests/svg/dom/resources/SVGTransformList-helper.js b/LayoutTests/svg/dom/resources/SVGTransformList-helper.js
new file mode 100644
index 0000000000000000000000000000000000000000..3c4d0219433b71fd07e1afd63800e4bdba17d14c
--- /dev/null
+++ b/LayoutTests/svg/dom/resources/SVGTransformList-helper.js
@@ -0,0 +1,24 @@
+function dumpMatrix(matrix) {
+    return "[" + matrix.a.toFixed(1)
+         + " " + matrix.b.toFixed(1)
+         + " " + matrix.c.toFixed(1)
+         + " " + matrix.d.toFixed(1)
+         + " " + matrix.e.toFixed(1)
+         + " " + matrix.f.toFixed(1)
+         + "]";
+}
+
+SVGTransform.prototype.toString = function()
+{
+    var transformTypes = {
+        "0": "SVG_TRANSFORM_UNKNOWN",
+        "1": "SVG_TRANSFORM_MATRIX",
+        "2": "SVG_TRANSFORM_TRANSLATE",
+        "3": "SVG_TRANSFORM_SCALE",
+        "4": "SVG_TRANSFORM_ROTATE",
+        "5": "SVG_TRANSFORM_SKEWX",
+        "6": "SVG_TRANSFORM_SKEWY"
+    };
+
+    return "type=" + transformTypes[this.type] + " matrix=" + dumpMatrix(this.matrix);
+}