Add test data for spaceport benchmark.

chrome/test/data/third_party/spaceport/js/sprites/canvas.js

Index: chrome/test/data/third_party/spaceport/js/sprites/canvas.js
diff --git a/chrome/test/data/third_party/spaceport/js/sprites/canvas.js b/chrome/test/data/third_party/spaceport/js/sprites/canvas.js
new file mode 100644
index 0000000000000000000000000000000000000000..7c873d564028f5f89fe1dc586ef1b4a795f6875c
--- /dev/null
+++ b/chrome/test/data/third_party/spaceport/js/sprites/canvas.js
@@ -0,0 +1,14 @@
+define([ ], function () {
+    function canvas() {
+        var canvas = document.createElement('canvas');
+        canvas.width = 512;
+        canvas.height = 512;
+        canvas.style.background = '#FFFFFF';
+        canvas.style.position = 'absolute';
+        canvas.style.left = '0';
+        canvas.style.top = '0';
+        return canvas;
+    }
+
+    return canvas;
+});