Add test data for spaceport benchmark.

chrome/test/data/third_party/spaceport/bin/json2csv.js

+var jsBase = __dirname + '/../js';
+var un = require(jsBase + '/unrequire');
+un.require.config({ baseUrl: jsBase });
+
+var input = process.stdin;
+var output = process.stdout;
+
+un.require([ 'fullReport' ], function (fullReport) {
+    var jsonData = '';
+    input.on('data', function (data) {
+        jsonData += data.toString('utf8');
+    });
+
+    input.on('end', function () {
+        var data = JSON.parse(jsonData);
+        var csv = fullReport.csvReport(data.userData.results, data.userData.agentMetadata);
+        output.write(csv);
+    });
+    input.resume();
+});