Format all tests.

tests/language_strong/async_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-
 import 'package:expect/expect.dart';
 
 import 'dart:async';
 
-topLevelFunction() async { }
+topLevelFunction() async {}
 
 Future<int> topLevelWithParameter(int a) async {
   return 7 + a;
 }
 
 topLevelWithParameterWrongType(int a) async {
   return 7 + a;
 }
 
 var what = 'async getter';
 Future<String> get topLevelGetter async {
   return 'I want to be an ${what}';
 }
 
 class A {
   static int staticVar = 1;
 
   static staticMethod(int param) async => staticVar + param;
   static get staticGetter async => staticVar + 3;
 
   int _x;
   A(this._x);
 
-  operator+(A other) async {
+  operator +(A other) async {
     return new A(_x + other._x);
   }
 
   get value => _x;
 }
 
 class B {
   final _y;
   const B._internal(this._y);
 
   B() : _y = null;
 }
 
-
 main() {
   var asyncReturn;
 
   asyncReturn = topLevelFunction();
   Expect.isTrue(asyncReturn is Future);
 
   asyncReturn = topLevelWithParameter(4);
   Expect.isTrue(asyncReturn is Future);
   asyncReturn.then((int result) => Expect.equals(result, 11));
 
@@ skipping 15 matching lines @@
   var b = new A(9);
   asyncReturn = a + b;
   Expect.isTrue(asyncReturn is Future);
   asyncReturn.then((A result) => Expect.equals(result.value, 22));
 
   var foo = 17;
   bar(int p1, p2) async {
     var z = 8;
     return p2 + z + foo;
   }
-  asyncReturn = bar(1,2);
+
+  asyncReturn = bar(1, 2);
   Expect.isTrue(asyncReturn is Future);
   asyncReturn.then((int result) => Expect.equals(result, 27));
 
   var moreNesting = (int shadowP1, String p2, num p3) {
     var z = 3;
     aa(int shadowP1) async {
       return foo + z + p3 + shadowP1;
     }
+
     return aa(6);
   };
   asyncReturn = moreNesting(1, "ignore", 2);
   Expect.isTrue(asyncReturn is Future);
   asyncReturn.then((int result) => Expect.equals(result, 28));
 
   var checkAsync = (var someFunc) {
     var toTest = someFunc();
     Expect.isTrue(toTest is Future);
     toTest.then((int result) => Expect.equals(result, 4));
   };
   checkAsync(() async => 4);
 }