Async initialization for DateFormat

pkg/intl/test/date_time_format_test_data.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.
 
 /**
  * Test data for one particular date formatted for a small number of locales.
  * Provides at least a basic check on formatting, including formatting with
  * non-ASCII characters and some different orderings.
  */
 
 // TODO(alanknight): Test more locales and a wider variety of test data,
 // possibly by generating test data out of ICU.
+
+#library('date_time_format_test_data');
+
 var English = const {
   "DAY" : "27",
   "ABBR_WEEKDAY" : "Fri",
   "WEEKDAY" : "Friday",
   "ABBR_STANDALONE_MONTH" : "Jan",
   "STANDALONE_MONTH" : "January",
   "NUM_MONTH" : "1",
   "NUM_MONTH_DAY" : "1/27",
   "NUM_MONTH_WEEKDAY_DAY" : "Fri, 1/27",
   "ABBR_MONTH" : "Jan",
@@ skipping 302 matching lines @@
   "ABBR_UTC_TZ" : "GMT-08:00",
   "YEAR_MONTH_WEEKDAY_DAY + HOUR_MINUTE_SECOND" :
       "Παρασκευή, 27 Ιανουαρίου 2012 8:58:59 μ.μ.",
   "YEAR_MONTH_WEEKDAY_DAY + HOUR_MINUTE_SECOND + GENERIC_TZ" :
       "Παρασκευή, 27 Ιανουαρίου 2012 8:58:59 μ.μ. Ώρα Ειρηνικού",
   "YEAR_ABBR_MONTH_WEEKDAY_DAY + HOUR_MINUTE_SECOND + ABBR_SPECIFIC_TZ" :
       "Παρ, 27 Ιαν 2012 8:58:59 μ.μ. GMT-08:00",
   "HOUR_MINUTE_SECOND + ABBR_GENERIC_TZ" :
       "8:58:59 μ.μ. Ηνωμένες Πολιτείες της Αμερικής (Λος Άντζελες)",
   "HOUR_MINUTE + ABBR_SPECIFIC_TZ" : "8:58 μ.μ. GMT-08:00"};