Revert "Parts must start with 'part of'" and "Attempt to fix VM build"

dart/tests/lib/crypto/hmac_sha1_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 tag to allow the test to run on Dartium.
-library hmac_sha1_test;
+#library('hmac_sha1_test');
 
-import "dart:crypto";
+#import("dart:crypto");
 
-part 'hmac_sha1_test_vectors.dart';
+#source('hmac_sha1_test_vectors.dart');
 
 void testStandardVectors(inputs, keys, macs) {
   for (var i = 0; i < inputs.length; i++) {
     var d = new HMAC(new SHA1(), keys[i]).update(inputs[i]).digest();
     Expect.isTrue(CryptoUtils.bytesToHex(d).startsWith(macs[i]), '$i');
   }
 }
 
 void main() {
   testStandardVectors(hmac_sha1_inputs, hmac_sha1_keys, hmac_sha1_macs);
 }