Update deprecations.

test/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.
 import "package:crypto/crypto.dart";
 import "package:test/test.dart";
 
 import 'utils.dart';
 
 void main() {
   group("standard vector", () {
     for (var i = 0; i < _inputs.length; i++) {
       test(_macs[i], () {
-        expectHmacEquals(new SHA1(), _inputs[i], _keys[i], _macs[i]);
+        expectHmacEquals(sha1, _inputs[i], _keys[i], _macs[i]);
       });
     }
   });
 }
 
 // Standard test vectors from:
 //   http://csrc.nist.gov/groups/STM/cavp/documents/mac/hmactestvectors.zip
 
 const _inputs = const [
   const [ 0xfc, 0xd6, 0xd9, 0x8b, 0xef, 0x45, 0xed, 0x68, 0x50, 0x80, 0x6e, 0x96, 0xf2, 0x55, 0xfa, 0x0c, 0x81, 0x14, 0xb7, 0x28, 0x73, 0xab, 0xe8, 0xf4, 0x3c, 0x10, 0xbe, 0xa7, 0xc1, 0xdf, 0x70, 0x6f, 0x10, 0x45, 0x8e, 0x6d, 0x4e, 0x1c, 0x92, 0x01, 0xf0, 0x57, 0xb8, 0x49, 0x2f, 0xa1, 0x0f, 0xe4, 0xb5, 0x41, 0xd0, 0xfc, 0x9d, 0x41, 0xef, 0x83, 0x9a, 0xcf, 0xf1, 0xbc, 0x76, 0xe3, 0xfd, 0xfe, 0xbf, 0x22, 0x35, 0xb5, 0xbd, 0x03, 0x47, 0xa9, 0xa6, 0x30, 0x3e, 0x83, 0x15, 0x2f, 0x9f, 0x8d, 0xb9, 0x41, 0xb1, 0xb9, 0x4a, 0x8a, 0x1c, 0xe5, 0xc2, 0x73, 0xb5, 0x5d, 0xc9, 0x4d, 0x99, 0xa1, 0x71, 0x37, 0x79, 0x69, 0x23, 0x41, 0x34, 0xe7, 0xda, 0xd1, 0xab, 0x4c, 0x8e, 0x46, 0xd1, 0x8d, 0xf4, 0xdc, 0x01, 0x67, 0x64, 0xcf, 0x95, 0xa1, 0x1a, 0xc4, 0xb4, 0x91, 0xa2, 0x64, 0x6b, 0xe1 ],
@@ skipping 896 matching lines @@
   'd78807f2a69d8e348cbd2c2d745f342397e20a41',
   '9602a3a1fd2dc3c55df5815ac0517001f8c6593b',
   'b95df20e4e63936b74af4ceb7ad94d4e4b56ea8d',
   '5f009c918e2f8d7c9f9087b78af44f54518e1c5a',
   'f92f9c4b8d423b14ac7ad924f183a1cc27de6afd',
   'f476bd42bae22e645cedf601511b1ab8f2852b2c',
   '48d48ceb4c1f3e6b1e9c0fb8515f1121b846c19b',
   '9e51be58cf2d5c8e85556b8f3d484109fb49553a',
   '4ac41ab89f625c60125ed65ffa958c6b490ea670'
 ];