Add test data for spaceport benchmark.

chrome/test/data/third_party/spaceport/js/sprites/transformers/rotate.js

Index: chrome/test/data/third_party/spaceport/js/sprites/transformers/rotate.js
diff --git a/chrome/test/data/third_party/spaceport/js/sprites/transformers/rotate.js b/chrome/test/data/third_party/spaceport/js/sprites/transformers/rotate.js
new file mode 100644
index 0000000000000000000000000000000000000000..fd4e17d6e221ed0f8b73e7e408015bede0a5d951
--- /dev/null
+++ b/chrome/test/data/third_party/spaceport/js/sprites/transformers/rotate.js
@@ -0,0 +1,14 @@
+define([ 'sprites/Transform' ], function (Transform) {
+    return function scale(frameIndex, objectIndex) {
+        var s = Math.sin((objectIndex + 1) / 5);
+        var rotation = (objectIndex * s / Math.abs(s) + frameIndex * s) * 0.1;
+        var x = Math.cos(objectIndex) * 200 + 100;
+        var y = Math.sin(objectIndex) * 200 + 100;
+
+        return new Transform({
+            x: x,
+            y: y,
+            rotation: rotation
+        });
+    };
+});