Update language tests to new getter syntax.

dart/tests/language/getter_closure_execution_order_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.
 //
 // Test that a getter is evaluated after the arguments, when a getter is
 // for invoking a method. See chapter 'Method Invocation' in specification.
 
 var counter = 0;
 
 class Test1 {
-  get a() {
+  get a {
     Expect.equals(1, counter);
     counter++;
     return (c) { };
   }
 
   b() {
     Expect.equals(0, counter);
     counter++;
     return 1;
   }
 }
 
 class Test2 {
-  static get a() {
+  static get a {
     Expect.equals(0, counter);
     counter++;
     return (c) { };
   }
 
   static b() {
     Expect.equals(1, counter);
     counter++;
     return 1;
   }
 }
 
-get a() {
+get a {
   Expect.equals(0, counter);
   counter++;
   return (c) { };
 }
 
 b() {
   Expect.equals(1, counter);
   counter++;
   return 1;
 }
@@ skipping 29 matching lines @@
     failures.add(stack);
   }
   // If any of the tests failed print out the details and fail the test.
   if (failures.length != 0) {
     for (var msg in failures) {
       print(msg.toString());
     }
     throw "${failures.length ~/ 2} tests failed.";
   }
 }