refactor (benchmarks/): Ts'ifying benchmarks/

Translating AtScript in benchmarks/ to TypeScript.

modules/benchmarks/e2e_test/costs_perf.ts

@@ -0,0 +1,44 @@
+/// <reference path="../../angular2/typings/node/node.d.ts" />
+import {afterEach, describe, it} from 'angular2/test_lib';
+
+var perfUtil = require('angular2/src/test_lib/perf_util');
+
+describe('ng2 cost benchmark', function() {
+
+  var URL = 'benchmarks/src/costs/index.html';
+
+  // Number of components to create in a single iteration
+  var benchmarkSize = 200;
+
+  afterEach(perfUtil.verifyNoBrowserErrors);
+
+  it('should log stats for baseline (plain components)', function(done) {
+    perfUtil.runClickBenchmark({
+              url: URL,
+              buttons: ['#reset', '#createPlainComponents'],
+              id: 'ng2.costs.baseline',
+              params: [{name: 'size', value: benchmarkSize, scale: 'linear'}]
+            })
+        .then(done, done.fail);
+  });
+
+  it('should log stats for components with decorators', function(done) {
+    perfUtil.runClickBenchmark({
+              url: URL,
+              buttons: ['#reset', '#createComponentsWithDirectives'],
+              id: 'ng2.costs.decorators',
+              params: [{name: 'size', value: benchmarkSize, scale: 'linear'}]
+            })
+        .then(done, done.fail);
+  });
+
+  it('should log stats for dynamic components', function(done) {
+    perfUtil.runClickBenchmark({
+              url: URL,
+              buttons: ['#reset', '#createDynamicComponents'],
+              id: 'ng2.costs.dynamic',
+              params: [{name: 'size', value: benchmarkSize, scale: 'linear'}]
+            })
+        .then(done, done.fail);
+  });
+});