Reapply r9192 and 9194, with the change of making locale a public field.

tests/lib/i18n/intl_message_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.
 
 
 #library('intl_message_test');
 
 #import('../../../lib/i18n/intl.dart');
-#import('../../../lib/i18n/intl_message.dart');
 #import('../../../lib/unittest/unittest.dart');
 
-/**
- * Tests the MessageFormat library in dart.
- */
+/** Tests the MessageFormat library in dart. */
 
 class Person {
   String firstName, lastName;
   Person(this.firstName, this.lastName);
 }
 
 main() {
   test('Trivial Message', () {
     hello() => Intl.message('Hello, world!',
         desc: 'hello world string');
@@ skipping 55 matching lines @@
         desc: 'explains the locale');
     expect(Intl.withLocale('en-US', () => hello()), equals('locale=en-US'));
   });
 
   test('Test passing locale', () {
     hello(a_locale) => Intl.message('locale=${Intl.getCurrentLocale()}',
         desc: 'explains the locale', locale: a_locale);
     expect(hello('en-US'), equals('locale=en-US'));
   });
 }