Fix bug in test's /none version. Update status files.

sdk/lib/convert/base64.dart

 // Copyright (c) 2015, 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 dart.convert;
 
 /**
  * A [base64](https://tools.ietf.org/html/rfc4648) encoder and decoder.
  *
  * It encodes using the default base64 alphabet,
@@ skipping 154 matching lines @@
             "Invalid base64 encoding length ", source, end);
       }
       if (endLength > 1) {
         // There is no "insertAt" on String, but this works as well.
         source = source.replaceRange(end, end, (endLength == 2) ? "==" : "=");
       }
     }
     return source;
   }
 
-  static int _checkPadding(String source, int sourceIndex, int sourceEnd,
+  static void _checkPadding(String source, int sourceIndex, int sourceEnd,
       int firstPadding, int paddingCount, int length) {
     if (length % 4 != 0) {
       throw new FormatException(
           "Invalid base64 padding, padded length must be multiple of four, "
           "is $length",
           source,
           sourceEnd);
     }
     if (firstPadding + paddingCount != length) {
       throw new FormatException(
@@ skipping 676 matching lines @@
     end = RangeError.checkValidRange(start, end, string.length);
     if (start == end) return;
     Uint8List buffer = _decoder.decode(string, start, end);
     if (buffer != null) _sink.add(buffer);
     if (isLast) {
       _decoder.close(string, end);
       _sink.close();
     }
   }
 }