Fix tests that broke in r27633.

tests/lib/mirrors/parameter_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.
 
 // This tests uses the multi-test "ok" feature:
 // none: Desired behaviour, passing on the VM.
 // 01: Trimmed version for dart2js.
 //
 // TODO(rmacnak,ahe): Remove multi-test when VM and dart2js are on par.
 
@@ skipping 14 matching lines @@
   // TODO(6490): Currently only supported by the VM.
   B.baz(final int x, int y, final int z);
   B.qux(int x, [int y= 3 + 1]);
   B.quux(int x, {String str: "foo"});
   B.corge({int x: 3 * 17, String str: "bar"});
 
   var _x;
   get x =>  _x;
   set x(final value) { _x = value; }
 
-  grault([int x]);
-  garply({int y});
-  waldo(int z);
+  grault([int x]) {}
+  garply({int y}) {}
+  waldo(int z) {}
 }
 
 class C <S extends int, T> {
   // TODO(6490): Currently only supported by the VM.
   foo(int a, S b) => b;
   bar(S a, T b, num c) {}
 }
 
 main() {
   ClassMirror cm = reflectClass(B);
@@ skipping 125 matching lines @@
   expect('[Parameter(s(a) in s(bar),'
          ' type = TypeVariable(s(S) in s(C),'
          ' upperBound = Class(s(int) in s(dart.core), top-level))), '
          'Parameter(s(b) in s(bar),'
          ' type = TypeVariable(s(T) in s(C),'
          ' upperBound = Class(s(Object) in s(dart.core), top-level))), '
          'Parameter(s(c) in s(bar),'
          ' type = Class(s(num) in s(dart.core), top-level))]',
          barInC.parameters);
 }