Add test data for spaceport benchmark.

chrome/test/data/third_party/spaceport/js/util/quickPromise.js

+define([ 'util/ensureCallback' ], function (ensureCallback) {
+    function quickPromise() {
+        var thens = [ ];
+        var resolved = false;
+
+        function resolve() {
+            if (resolved) {
+                throw new Error("Already resolved");
+            }
+            resolved = true;
+
+            while (thens.length) {
+                var fn = thens.pop();
+                fn();
+            }
+        }
+
+        function then(fn) {
+            fn = ensureCallback(fn);
+            if (resolved) {
+                fn();
+            } else {
+                thens.push(fn);
+            }
+        }
+
+        return {
+            resolve: resolve,
+            then: then
+        };
+    }
+
+    return quickPromise;
+});