Format all tests.

tests/compiler/dart2js_native/native_to_string_frog_test.dart

 // Copyright (c) 2012, 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 'native_testing.dart';
 
 @Native("A")
 class A {
   toString() => 'AAA';
 }
 
-makeA() native ;
+makeA() native;
 
 void setup() native """
 function A() {}
 makeA = function(){return new A;};
 self.nativeConstructor(A);
 """;
 
 main() {
   nativeTesting();
   setup();
 
   Expect.isTrue(makeA().toString() is String);
   Expect.equals('AAA', makeA().toString());
 
   Expect.isTrue(confuse(makeA()).toString() is String);
   Expect.equals('AAA', confuse(makeA()).toString());
 }