chore: dartfmt Dart code in the repo

modules/angular2/src/facade/async.dart

@@ -33,8 +33,10 @@ class PromiseWrapper {
 }
 
 class ObservableWrapper {
-  static StreamSubscription subscribe(Stream s, Function onNext, [onError, onComplete]) {
-    return s.listen(onNext, onError: onError, onDone: onComplete, cancelOnError: true);
+  static StreamSubscription subscribe(Stream s, Function onNext,
+      [onError, onComplete]) {
+    return s.listen(onNext,
+        onError: onError, onDone: onComplete, cancelOnError: true);
   }
 
   static bool isObservable(obs) {
@@ -65,14 +67,10 @@ class EventEmitter extends Stream {
     _controller = new StreamController.broadcast();
   }
 
-  StreamSubscription listen(void onData(String line), {
-                              void onError(Error error),
-                              void onDone(),
-                              bool cancelOnError }) {
+  StreamSubscription listen(void onData(String line),
+      {void onError(Error error), void onDone(), bool cancelOnError}) {
     return _controller.stream.listen(onData,
-        onError: onError,
-        onDone: onDone,
-        cancelOnError: cancelOnError);
+        onError: onError, onDone: onDone, cancelOnError: cancelOnError);
   }
 
   void add(value) {
@@ -88,7 +86,6 @@ class EventEmitter extends Stream {
   }
 }
 
-
 class _Completer {
   final Completer c;
 

modules/angular2/src/facade/browser.dart

@@ -6,15 +6,16 @@ library angular2.src.facade.browser;
 
 import 'dart:js' show context;
 
-export 'dart:html' show
-  document,
-  location,
-  window,
-  Element,
-  Node,
-  MouseEvent,
-  KeyboardEvent,
-  Event;
+export 'dart:html'
+    show
+        document,
+        location,
+        window,
+        Element,
+        Node,
+        MouseEvent,
+        KeyboardEvent,
+        Event;
 
 final _gc = context['gc'];
 

modules/angular2/src/facade/collection.dart

@@ -70,7 +70,7 @@ class StringMapWrapper {
     map[key] = value;
   }
   static void delete(Map m, k) {
-      m.remove(k);
+    m.remove(k);
   }
   static void forEach(Map m, fn(v, k)) {
     m.forEach((k, v) => fn(v, k));
@@ -96,7 +96,8 @@ class ListWrapper {
   static bool contains(List m, k) => m.contains(k);
   static List map(list, fn(item)) => list.map(fn).toList();
   static List filter(List list, bool fn(item)) => list.where(fn).toList();
-  static int indexOf(List list, value, [int startIndex = 0]) => list.indexOf(value, startIndex);
+  static int indexOf(List list, value, [int startIndex = 0]) =>
+      list.indexOf(value, startIndex);
   static int lastIndexOf(List list, value, [int startIndex = null]) =>
       list.lastIndexOf(value, startIndex == null ? list.length : startIndex);
   static find(List list, bool fn(item)) =>
@@ -115,7 +116,9 @@ class ListWrapper {
     l.add(e);
   }
   static List concat(List a, List b) {
-    return []..addAll(a)..addAll(b);
+    return []
+      ..addAll(a)
+      ..addAll(b);
   }
   static bool isList(l) => l is List;
   static void insert(List l, int index, value) {
@@ -154,7 +157,7 @@ class ListWrapper {
     l.removeRange(from, to);
     return sub;
   }
-  static void sort(List l, compareFn(a,b)) {
+  static void sort(List l, compareFn(a, b)) {
     l.sort(compareFn);
   }
 

modules/angular2/src/facade/lang.dart

@@ -123,7 +123,8 @@ class RegExpWrapper {
   static RegExp create(regExpStr, [String flags = '']) {
     bool multiLine = flags.contains('m');
     bool caseSensitive = !flags.contains('i');
-    return new RegExp(regExpStr, multiLine: multiLine, caseSensitive: caseSensitive);
+    return new RegExp(regExpStr,
+        multiLine: multiLine, caseSensitive: caseSensitive);
   }
   static Match firstMatch(RegExp regExp, String input) {
     return regExp.firstMatch(input);
@@ -147,7 +148,7 @@ class _JSLikeMatch {
 
   _JSLikeMatch(this._m);
 
-  String operator[](index) => _m[index];
+  String operator [](index) => _m[index];
   int get index => _m.start;
   int get length => _m.groupCount + 1;
 }