Format all tests.

tests/compiler/dart2js_native/event_loop_test.dart

 // Copyright (c) 2015, 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:async";
 import "package:async_helper/async_helper.dart";
 import "native_testing.dart";
 
 typedef void Callback0();
 
 @Native("A")
 class A {
-  foo(Callback0 f) native ;
+  foo(Callback0 f) native;
 }
 
-makeA() native ;
+makeA() native;
 
 void setup() native r"""
 function A() {}
 A.prototype.foo = function(f) { return f(); };
 makeA = function() { return new A; };
 self.nativeConstructor(A);
 """;
 
 main() {
   nativeTesting();
@@ skipping 15 matching lines @@
   }).whenComplete(asyncEnd);
 
   Expect.equals(499, a.foo(() {
     events.add("closure to foo");
     return 499;
   }));
 
   events.add("after native call");
   Expect.listEquals(["closure to foo", "after native call"], events);
 }