refactor(dart): Run dartfmt 0.1.8

Format Dart code using dartfmt 0.1.8. Update pubspec to require
dart_style 0.1.8.

modules/angular2/pubspec.yaml

@@ -12,7 +12,7 @@ dependencies:
   analyzer: '>=0.24.4 <0.26.0'
   barback: '^0.15.2+2'
   code_transformers: '^0.2.8'
-  dart_style: '^0.1.3'
+  dart_style: '^0.1.8'
   html: '^0.12.0'
   logging: '>=0.9.0 <0.12.0'
   source_span: '^1.0.0'

modules/angular2/src/dom/parse5_adapter.dart

@@ -1,2 +1,3 @@
 library angular2.src.dom.parse5_adapter;
-// no dart implementation
+
+// no dart implementation

modules/angular2/src/test_lib/fake_async.dart

@@ -30,8 +30,18 @@ Function fakeAsync(Function fn) {
       return new quiver.FakeAsync().run((quiver.FakeAsync async) {
         try {
           _fakeAsync = async;
-          List args = [a0, a1, a2, a3, a4, a5, a6, a7, a8, a9]
-              .takeWhile((a) => a != _u).toList();
+          List args = [
+            a0,
+            a1,
+            a2,
+            a3,
+            a4,
+            a5,
+            a6,
+            a7,
+            a8,
+            a9
+          ].takeWhile((a) => a != _u).toList();
           var res = Function.apply(fn, args);
           _fakeAsync.flushMicrotasks();
 

modules/angular2/test/transform/directive_metadata_extractor/directive_metadata_files/directive_export_as.ng_deps.dart

@@ -2,7 +2,17 @@ library examples.hello_world.index_common_dart.ng_deps.dart;
 
 import 'hello.dart';
 import 'package:angular2/angular2.dart'
-    show bootstrap, Component, Directive, View, NgElement, onChange, onDestroy, onInit, onCheck, onAllChangesDone;
+    show
+        bootstrap,
+        Component,
+        Directive,
+        View,
+        NgElement,
+        onChange,
+        onDestroy,
+        onInit,
+        onCheck,
+        onAllChangesDone;
 
 var _visited = false;
 void initReflector(reflector) {
@@ -12,8 +22,6 @@ void initReflector(reflector) {
     ..registerType(HelloCmp, {
       'factory': () => new HelloCmp(),
       'parameters': const [const []],
-      'annotations': const [
-        const Directive(exportAs: 'exportAsName')
-      ]
+      'annotations': const [const Directive(exportAs: 'exportAsName')]
     });
 }