Remove deprecated Date class.

tests/corelib/date_time_parse_test.dart

Index: tests/corelib/date_time_parse_test.dart
diff --git a/tests/corelib/date_time_parse_test.dart b/tests/corelib/date_time_parse_test.dart
index f885392df5c0838a2766f8d036098f5de8399438..0df517ae4a5df5e296293a9afb25368d51d49113 100644
--- a/tests/corelib/date_time_parse_test.dart
+++ b/tests/corelib/date_time_parse_test.dart
@@ -8,13 +8,13 @@ check(DateTime expected, String str) {
   Expect.equals(expected.isUtc, actual.isUtc);
 }
 main() {
-  check(new Date(2012, 02, 27, 13, 27), "2012-02-27 13:27:00");
-  check(new Date.utc(2012, 02, 27, 13, 27, 0, 123),
+  check(new DateTime(2012, 02, 27, 13, 27), "2012-02-27 13:27:00");
+  check(new DateTime.utc(2012, 02, 27, 13, 27, 0, 123),
         "2012-02-27 13:27:00.123456z");
-  check(new Date(2012, 02, 27, 13, 27), "20120227 13:27:00");
-  check(new Date(2012, 02, 27, 13, 27), "20120227T132700");
-  check(new Date(2012, 02, 27), "20120227");
-  check(new Date(2012, 02, 27), "+20120227");
-  check(new Date.utc(2012, 02, 27, 14), "2012-02-27T14Z");
-  check(new Date.utc(-12345, 1, 1), "-123450101 00:00:00 Z");
+  check(new DateTime(2012, 02, 27, 13, 27), "20120227 13:27:00");
+  check(new DateTime(2012, 02, 27, 13, 27), "20120227T132700");
+  check(new DateTime(2012, 02, 27), "20120227");
+  check(new DateTime(2012, 02, 27), "+20120227");
+  check(new DateTime.utc(2012, 02, 27, 14), "2012-02-27T14Z");
+  check(new DateTime.utc(-12345, 1, 1), "-123450101 00:00:00 Z");
 }