refactor(benchamrks_external): Ts'ify benchmarks_external

Translates benchmarks_external to TypeScript.

modules/benchmarks_external/e2e_test/largetable_perf.ts

@@ -0,0 +1,24 @@
+import {runClickBenchmark, verifyNoBrowserErrors} from 'angular2/src/test_lib/perf_util';
+
+describe('ng1.x largetable benchmark', function() {
+  var URL = 'benchmarks_external/src/largetable/largetable_benchmark.html';
+
+  afterEach(verifyNoBrowserErrors);
+
+  ['baselineBinding', 'baselineInterpolation', 'ngBind', 'ngBindOnce', 'interpolation',
+   'interpolationAttr', 'ngBindFn', 'interpolationFn', 'ngBindFilter', 'interpolationFilter']
+      .forEach(function(benchmarkType) {
+        it('should log the stats with: ' + benchmarkType, function(done) {
+          runClickBenchmark({
+            url: URL,
+            buttons: ['#destroyDom', '#createDom'],
+            id: 'ng1.largetable.' + benchmarkType,
+            params: [
+              {name: 'columns', value: 100, scale: 'sqrt'},
+              {name: 'rows', value: 20, scale: 'sqrt'},
+              {name: 'benchmarkType', value: benchmarkType}
+            ]
+          }).then(done, done.fail);
+        });
+      });
+});