Rename Date to DateTime.

samples/third_party/dromaeo/common/BenchUtil.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.
 
 part of common;
 
 // Misc benchmark-related utility functions.
 
 class BenchUtil {
   static int get now {
-    return new Date.now().millisecondsSinceEpoch;
+    return new DateTime.now().millisecondsSinceEpoch;
   }
 
   static Map<String, Object> deserialize(String data) {
     return parseJson(data);
   }
 
   static String serialize(Object obj) {
     return jsonStringify(obj);
   }
 
@@ skipping 53 matching lines @@
     for (Match match in new RegExp(pattern).allMatches(s)) {
       sb.add(s.substring(pos, match.start));
       sb.add(replacement(match));
       pos = match.end;
     }
     sb.add(s.substring(pos));
 
     return sb.toString();
   }
 }