dart2js: run dartfmt on tests

tests/compiler/dart2js_native/native_class_avoids_hidden_name_frog_test.dart

 // Copyright (c) 2011, 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 "dart:_js_helper";
 import "package:expect/expect.dart";
 
 // Test that hidden native class names are not used by generated code.
 
 @Native("BB")
 class AA {
   get name => 'AA';
   static AA create() => makeA();
 }
 
 @Native("CC")
 class BB {
   get name => 'BB';
   static BB create() => makeB();
 }
 
-class CC {  // Ordinary class with name clashing with native class.
+class CC {
+  // Ordinary class with name clashing with native class.
   get name => 'CC';
   static CC create() => new CC();
 }
 
-makeA() native;
-makeB() native;
+makeA() native ;
+makeB() native ;
 
 void setup1() native """
 // Poison hidden native names 'BB' and 'CC' to prove the compiler didn't place
 // anthing on the hidden native class.
 BB = null;
 CC = null;
 """;
 
 void setup2() native """
 // This code is all inside 'setup' and so not accesible from the global scope.
@@ skipping 11 matching lines @@
 
   var things = [AA.create(), BB.create(), CC.create()];
   var a = things[inscrutable(0)];
   var b = things[inscrutable(1)];
   var c = things[inscrutable(2)];
 
   Expect.equals('AA', a.name);
   Expect.equals('BB', b.name);
   Expect.equals('CC', c.name);
 }