dart2js: run dartfmt on tests

tests/compiler/dart2js_native/subclassing_super_call_test.dart

 // Copyright (c) 2013, 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:_foreign_helper' show JS;
 import 'dart:_js_helper' show Native, Creates, setNativeSubclassDispatchRecord;
-import 'dart:_interceptors' show
-    findInterceptorForType, findConstructorForNativeSubclassType;
+import 'dart:_interceptors'
+    show findInterceptorForType, findConstructorForNativeSubclassType;
 
 // Test for super access from classes that extend native classes.
 
 @Native("N1")
-class N1 {
-}
+class N1 {}
 
 @Native("N2")
 class N2 extends N1 {
   N2.init();
   String text;
-  foo() native;
+  foo() native ;
 }
 
 class AA extends N2 {
   AA.init() : super.init();
   String afield;
   afun() => 'afun:$afield';
 }
 
-class BB extends AA  {
+class BB extends AA {
   BB.init() : super.init();
 
   get text => super.text;
   set text(value) => super.text = value;
   foo() => super.foo();
 
   get afield => super.afield;
   set afield(value) => super.afield = value;
   afun() => super.afun();
 }
 
-BB makeBB() native;
+BB makeBB() native ;
 
 @Creates('=Object')
-getBBPrototype() native;
+getBBPrototype() native ;
 
 void setup() native r"""
 function N2() {}
 N2.prototype.foo = function() { return "foo:" + this.text; }
 function BB() {}
 BB.prototype.__proto__ = N2.prototype;
 makeBB = function(){return new BB;};
 
 getBBPrototype = function(){return BB.prototype;};
 """;
@@ skipping 51 matching lines @@
 
   print('b1.afun() ${inscrutable(b1).afun()}');
   print('b2.afun() ${inscrutable(b2).afun()}');
 
   Expect.equals('one', b1.afield);
   Expect.equals('two', b2.afield);
 
   Expect.equals('afun:one', b1.afun());
   Expect.equals('afun:two', b2.afun());
 
-
   inscrutable(b1).afield = inscrutable('three');
   inscrutable(b2).afield = inscrutable('four');
 
   Expect.equals('three', inscrutable(b1).afield);
   Expect.equals('four', inscrutable(b2).afield);
 
   Expect.equals('afun:three', inscrutable(b1).afun());
   Expect.equals('afun:four', inscrutable(b2).afun());
 }
 
 main() {
   setup();
   inscrutable = (x) => x;
 
   setNativeSubclassDispatchRecord(getBBPrototype(), findInterceptorForType(BB));
 
   testSuperOnNative();
   testSuperOnSubclassOfNative();
 }