Run the formatter over crypto.

lib/src/crypto_utils.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.
 
 part of crypto;
 
 abstract class _CryptoUtils {
   static String bytesToHex(List<int> bytes) {
     var result = new StringBuffer();
     for (var part in bytes) {
       result.write('${part < 16 ? '0' : ''}${part.toRadixString(16)}');
     }
     return result.toString();
   }
 
   static String bytesToBase64(List<int> bytes,
-                              [bool urlSafe = false,
-                               bool addLineSeparator = false]) {
+      [bool urlSafe = false, bool addLineSeparator = false]) {
     return BASE64.encode(bytes,
-                         urlSafe: urlSafe,
-                         addLineSeparator: addLineSeparator);
+        urlSafe: urlSafe, addLineSeparator: addLineSeparator);
   }
 
   static List<int> base64StringToBytes(String input) {
     return BASE64.decode(input);
   }
 }