Switch libraries to using new tags.

sdk/lib/crypto/crypto.dart

Index: sdk/lib/crypto/crypto.dart
diff --git a/sdk/lib/crypto/crypto.dart b/sdk/lib/crypto/crypto.dart
index 078b21dc93d9bf0f72770bf627001193866dba61..ea4e8fee6af1daaf42627e4468205c0c3698bd06 100644
--- a/sdk/lib/crypto/crypto.dart
+++ b/sdk/lib/crypto/crypto.dart
@@ -2,16 +2,16 @@
 // 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('dart:crypto');
+library dart.crypto;
 
-#import('dart:math');
+import 'dart:math';
 
-#source('crypto_utils.dart');
-#source('hash_utils.dart');
-#source('hmac.dart');
-#source('md5.dart');
-#source('sha1.dart');
-#source('sha256.dart');
+part 'crypto_utils.dart';
+part 'hash_utils.dart';
+part 'hmac.dart';
+part 'md5.dart';
+part 'sha1.dart';
+part 'sha256.dart';
 
 /**
  * Interface for cryptographic hash functions.