tree 08b02796c68672e33840a189fb06a28090def680
parent f476702eba6439819bee32e6c37171a15d7bd185
author Alexander Ivanov <alivanov@google.com> 1433324276 +0200
committer Alexander Ivanov <alivanov@google.com> 1433324276 +0200

Implement a Base64 codec

Implement a Base64 codec similar to codecs in 'dart:convert'.
`CryptoUtils.bytesToBase64` and `CryptoUtils.base64StringToBytes`
remain for backward compatibility, but they internally invoke
`Base64.encode` and `Base64.decode` respectively

BUG=
R=lrn@google.com, sgjesse@google.com

Review URL: https://codereview.chromium.org//1159093002