Move base to DEPS

base/base64.cc

-// Copyright (c) 2012 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 "base/base64.h"
-
-#include "third_party/modp_b64/modp_b64.h"
-
-namespace base {
-
-void Base64Encode(const StringPiece& input, std::string* output) {
-  std::string temp;
-  temp.resize(modp_b64_encode_len(input.size()));  // makes room for null byte
-
-  // modp_b64_encode_len() returns at least 1, so temp[0] is safe to use.
-  size_t output_size = modp_b64_encode(&(temp[0]), input.data(), input.size());
-
-  temp.resize(output_size);  // strips off null byte
-  output->swap(temp);
-}
-
-bool Base64Decode(const StringPiece& input, std::string* output) {
-  std::string temp;
-  temp.resize(modp_b64_decode_len(input.size()));
-
-  // does not null terminate result since result is binary data!
-  size_t input_size = input.size();
-  size_t output_size = modp_b64_decode(&(temp[0]), input.data(), input_size);
-  if (output_size == MODP_B64_ERROR)
-    return false;
-
-  temp.resize(output_size);
-  output->swap(temp);
-  return true;
-}
-
-}  // namespace base