style(dart): Run dartfmt v0.1.8+2 on all pure Dart code

Update formatting for all pure Dart code in the repo.

modules/angular2/src/facade/async.dart

@@ -29,7 +29,8 @@ class PromiseWrapper {
     return promise.catchError(onError);
   }
 
-  static PromiseCompleter<dynamic> completer() => new PromiseCompleter(new Completer());
+  static PromiseCompleter<dynamic> completer() =>
+      new PromiseCompleter(new Completer());
 }
 
 class TimerWrapper {

modules/angular2/src/facade/intl.dart

@@ -4,18 +4,12 @@ import 'package:intl/intl.dart';
 
 String _normalizeLocale(String locale) => locale.replaceAll('-', '_');
 
-enum NumberFormatStyle {
-  DECIMAL,
-  PERCENT,
-  CURRENCY
-}
+enum NumberFormatStyle { DECIMAL, PERCENT, CURRENCY }
 
 class NumberFormatter {
   static String format(num number, String locale, NumberFormatStyle style,
-      {int minimumIntegerDigits: 1,
-      int minimumFractionDigits: 0,
-      int maximumFractionDigits: 3,
-      String currency,
+      {int minimumIntegerDigits: 1, int minimumFractionDigits: 0,
+      int maximumFractionDigits: 3, String currency,
       bool currencyAsSymbol: false}) {
     locale = _normalizeLocale(locale);
     NumberFormat formatter;
@@ -29,7 +23,8 @@ class NumberFormatter {
       case NumberFormatStyle.CURRENCY:
         if (currencyAsSymbol) {
           // See https://github.com/dart-lang/intl/issues/59.
-          throw new Exception('Displaying currency as symbol is not supported.');
+          throw new Exception(
+              'Displaying currency as symbol is not supported.');
         }
         formatter = new NumberFormat.currencyPattern(locale, currency);
         break;

modules/angular2/src/facade/lang.dart

@@ -201,7 +201,8 @@ class BaseException extends Error {
   final originalException;
   final originalStack;
 
-  BaseException([this.message, this.originalException, this.originalStack, this.context]);
+  BaseException(
+      [this.message, this.originalException, this.originalStack, this.context]);
 
   String toString() {
     return this.message;