Move base64url.* to CryptAuth component.

components/proximity_auth/cryptauth/base64url.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/proximity_auth/base64url.h"

[Ilya Sherman, 2015/04/08 18:24:32]

Please update the include path.

[Tim Song, 2015/04/08 21:31:37]

Done.

Should have compiled the tests before sending this out for review =/

 
 #include "base/base64.h"
 #include "base/strings/string_util.h"
 
 namespace proximity_auth {
 
 void Base64UrlEncode(const std::string& decoded_input,
                      std::string* encoded_output) {
   base::Base64Encode(decoded_input, encoded_output);
   base::ReplaceChars(*encoded_output, "+", "-", encoded_output);
   base::ReplaceChars(*encoded_output, "/", "_", encoded_output);
 }
 
 bool Base64UrlDecode(const std::string& encoded_input,
                      std::string* decoded_output) {
   std::string adjusted_encoded_input = encoded_input;
   base::ReplaceChars(adjusted_encoded_input, "-", "+", &adjusted_encoded_input);
   base::ReplaceChars(adjusted_encoded_input, "_", "/", &adjusted_encoded_input);
 
   return base::Base64Decode(adjusted_encoded_input, decoded_output);
 }
 
 }  // namespace proximity_auth