chore(benchmarks): add transform benchmark runner and clean up benchmark output

modules/angular2/test/benchmark/transform/benchmark.transform.server.spec.dart

@@ -1,5 +1,7 @@
 library angular2.test.benchmark.transform;
 
+import 'package:angular2/src/transform/common/formatter.dart' as formatter;
+import 'package:dart_style/dart_style.dart';
 import 'package:guinness/guinness.dart';
 import 'package:unittest/vm_config.dart';
 
@@ -13,12 +15,13 @@ import 'template_compiler/url.dart' as urlTemplateCompiler;
 
 main() {
   useVMConfiguration();
+  formatter.init(new DartFormatter());
   describe('Bind Generator Benchmark', bindGenerator.allTests);
   describe('Directive Linker Benchmark', directiveLinker.allTests);
   describe('Directive Processor Benchmark', directiveProcessor.allTests);
   describe('Hello World Transformer Benchmark', helloWorld.allTests);
   describe('Reflection Remover Benchmark', reflectionRemover.allTests);
-  describe('Inline Template Compiler Benchmark',
-      inlineTemplateCompiler.allTests);
+  describe(
+      'Inline Template Compiler Benchmark', inlineTemplateCompiler.allTests);
   describe('Url Template Compiler Benchmark', urlTemplateCompiler.allTests);
 }

modules/angular2/test/benchmark/transform/bind_generator/simple.dart

@@ -13,14 +13,11 @@ allTests() {
   test('Bind Generator Benchmark Runs', runBenchmark);
 }
 
-Future runBenchmark() async {
+Future<double> runBenchmark() async {
   var options = new TransformerOptions(['this_is_ignored.dart']);
   var files = {new AssetId('a', 'a.ng_deps.dart'): aContents};
-  var benchmark =
-      new TransformerBenchmark([[new BindGenerator(options)]], files);
-  print('\nRunning bind_generator benchmark...');
-  var result = await benchmark.measure();
-  print('Done, took ${result.round()}μs on average.');
+  return new TransformerBenchmark([[new BindGenerator(options)]], files)
+      .measure();
 }
 
 const aContents = '''

modules/angular2/test/benchmark/transform/directive_linker/simple.dart

@@ -13,16 +13,13 @@ allTests() {
   test('Directive Linker Benchmark Runs', runBenchmark);
 }
 
-Future runBenchmark() async {
+Future<double> runBenchmark() async {
   var files = {
     new AssetId('a', 'a.ng_deps.dart'): aContents,
     new AssetId('a', 'b.ng_deps.dart'): bContents,
     new AssetId('a', 'c.ng_deps.dart'): cContents,
   };
-  var benchmark = new TransformerBenchmark([[new DirectiveLinker()]], files);
-  print('\nRunning directive_linker benchmark...');
-  var result = await benchmark.measure();
-  print('Done, took ${result.round()}μs on average.');
+  return new TransformerBenchmark([[new DirectiveLinker()]], files).measure();
 }
 
 const aContents = '''

modules/angular2/test/benchmark/transform/directive_processor/simple.dart

@@ -16,11 +16,8 @@ allTests() {
 Future runBenchmark() async {
   var options = new TransformerOptions(['this_is_ignored.dart']);
   var files = {new AssetId('a', 'a.dart'): aContents,};
-  var benchmark =
-      new TransformerBenchmark([[new DirectiveProcessor(options)]], files);
-  print('\nRunning directive_processor benchmark...');
-  var result = await benchmark.measure();
-  print('Done, took ${result.round()}μs on average.');
+  return new TransformerBenchmark([[new DirectiveProcessor(options)]], files)
+      .measure();
 }
 
 const aContents = '''

modules/angular2/test/benchmark/transform/integration/hello_world.dart

@@ -19,11 +19,8 @@ Future runBenchmark() async {
     new AssetId('a', 'web/index.dart'): indexContents,
     new AssetId('a', 'web/index_common.dart'): indexCommonContents,
   };
-  var benchmark = new TransformerBenchmark(
-      new AngularTransformerGroup(options).phases, files);
-  print('\nRunning hello_world benchmark...');
-  var result = await benchmark.measure();
-  print('Done, took ${result.round()}μs on average.');
+  return new TransformerBenchmark(
+      new AngularTransformerGroup(options).phases, files).measure();
 }
 
 const indexContents = '''

modules/angular2/test/benchmark/transform/reflection_remover/simple.dart

@@ -16,11 +16,8 @@ allTests() {
 Future runBenchmark() async {
   var options = new TransformerOptions(['web/index.dart']);
   var files = {new AssetId('a', 'web/index.dart'): indexContents,};
-  var benchmark =
-      new TransformerBenchmark([[new ReflectionRemover(options)]], files);
-  print('\nRunning reflection_remover benchmark...');
-  var result = await benchmark.measure();
-  print('Done, took ${result.round()}μs on average.');
+  return new TransformerBenchmark([[new ReflectionRemover(options)]], files)
+      .measure();
 }
 
 const indexContents = '''

modules/angular2/test/benchmark/transform/run_all.dart

@@ -0,0 +1,27 @@
+library angular2.test.benchmark.transform.run_all;
+
+import 'package:angular2/src/transform/common/formatter.dart' as formatter;
+import 'package:dart_style/dart_style.dart';
+
+import 'bind_generator/simple.dart' as bindGenerator;
+import 'directive_linker/simple.dart' as directiveLinker;
+import 'directive_processor/simple.dart' as directiveProcessor;
+import 'integration/hello_world.dart' as helloWorld;
+import 'reflection_remover/simple.dart' as reflectionRemover;
+import 'template_compiler/inline.dart' as inlineTemplateCompiler;
+import 'template_compiler/url.dart' as urlTemplateCompiler;
+
+main() async {
+  formatter.init(new DartFormatter());
+  printResult('BindGenerator', await bindGenerator.runBenchmark());
+  printResult('DirectiveLinker', await directiveLinker.runBenchmark());
+  printResult('HelloWorld', await helloWorld.runBenchmark());
+  printResult('ReflectionRemover', await reflectionRemover.runBenchmark());
+  printResult(
+      'InlineTemplateCompiler', await inlineTemplateCompiler.runBenchmark());
+  printResult('UrlTemplateCompiler', await urlTemplateCompiler.runBenchmark());
+}
+
+void printResult(String name, double result) {
+  print('ng2.transform.$name(RunTime): $result us.');
+}

modules/angular2/test/benchmark/transform/template_compiler/inline.dart

@@ -16,11 +16,8 @@ allTests() {
 Future runBenchmark() async {
   var options = new TransformerOptions(['index.dart']);
   var files = {new AssetId('a', 'web/a.ng_deps.dart'): aContents,};
-  var benchmark =
-      new TransformerBenchmark([[new TemplateCompiler(options)]], files);
-  print('\nRunning template_compiler inline benchmark...');
-  var result = await benchmark.measure();
-  print('Done, took ${result.round()}μs on average.');
+  return new TransformerBenchmark([[new TemplateCompiler(options)]], files)
+      .measure();
 }
 
 const aContents = '''

modules/angular2/test/benchmark/transform/template_compiler/url.dart

@@ -19,11 +19,8 @@ Future runBenchmark() async {
     new AssetId('a', 'web/a.ng_deps.dart'): aContents,
     new AssetId('a', 'web/template.html'): templateContents,
   };
-  var benchmark =
-      new TransformerBenchmark([[new TemplateCompiler(options)]], files);
-  print('\nRunning template_compiler url benchmark...');
-  var result = await benchmark.measure();
-  print('Done, took ${result.round()}μs on average.');
+  return new TransformerBenchmark([[new TemplateCompiler(options)]], files)
+      .measure();
 }
 
 const aContents = '''