style(dart): Format with dartfmt v0.2.0

Format all pure Dart code with package:dart_style v0.2.0

Command:
```
find -type f -name "*.dart" | xargs dartformat -w
```

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

@@ -16,8 +16,9 @@ allTests() {
 Future<double> runBenchmark() async {
   var options = new TransformerOptions(['this_is_ignored.dart']);
   var files = {new AssetId('a', 'a.ng_deps.dart'): aContents};
-  return new TransformerBenchmark([[new BindGenerator(options)]], files)
-      .measure();
+  return new TransformerBenchmark([
+    [new BindGenerator(options)]
+  ], files).measure();
 }
 
 const aContents = '''

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

@@ -19,7 +19,9 @@ Future<double> runBenchmark() async {
     new AssetId('a', 'b.ng_deps.dart'): bContents,
     new AssetId('a', 'c.ng_deps.dart'): cContents,
   };
-  return new TransformerBenchmark([[new DirectiveLinker()]], files).measure();
+  return new TransformerBenchmark([
+    [new DirectiveLinker()]
+  ], files).measure();
 }
 
 const aContents = '''

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

@@ -16,8 +16,9 @@ allTests() {
 Future runBenchmark() async {
   var options = new TransformerOptions(['this_is_ignored.dart']);
   var files = {new AssetId('a', 'a.dart'): aContents,};
-  return new TransformerBenchmark([[new DirectiveProcessor(options)]], files)
-      .measure();
+  return new TransformerBenchmark([
+    [new DirectiveProcessor(options)]
+  ], files).measure();
 }
 
 const aContents = '''

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

@@ -16,8 +16,9 @@ allTests() {
 Future runBenchmark() async {
   var options = new TransformerOptions(['web/index.dart']);
   var files = {new AssetId('a', 'web/index.dart'): indexContents,};
-  return new TransformerBenchmark([[new ReflectionRemover(options)]], files)
-      .measure();
+  return new TransformerBenchmark([
+    [new ReflectionRemover(options)]
+  ], files).measure();
 }
 
 const indexContents = '''

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

@@ -16,8 +16,9 @@ allTests() {
 Future runBenchmark() async {
   var options = new TransformerOptions(['index.dart']);
   var files = {new AssetId('a', 'web/a.ng_deps.dart'): aContents,};
-  return new TransformerBenchmark([[new TemplateCompiler(options)]], files)
-      .measure();
+  return new TransformerBenchmark([
+    [new TemplateCompiler(options)]
+  ], files).measure();
 }
 
 const aContents = '''

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

@@ -19,8 +19,9 @@ Future runBenchmark() async {
     new AssetId('a', 'web/a.ng_deps.dart'): aContents,
     new AssetId('a', 'web/template.html'): templateContents,
   };
-  return new TransformerBenchmark([[new TemplateCompiler(options)]], files)
-      .measure();
+  return new TransformerBenchmark([
+    [new TemplateCompiler(options)]
+  ], files).measure();
 }
 
 const aContents = '''