1 files changed, 0 insertions, 76 deletions
diff --git a/chromium/components/base32/base32_test_util.cc b/chromium/components/base32/base32_test_util.cc
deleted file mode 100644
index 9c605becc7f..00000000000
--- a/chromium/components/base32/base32_test_util.cc
+++ /dev/null
@@ -1,76 +0,0 @@
-// Copyright 2019 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/base32/base32_test_util.h"
-
-#include <stddef.h>
-
-#include <limits>
-
-#include "base/check_op.h"
-#include "base/notreached.h"
-#include "base/numerics/safe_math.h"
-#include "components/base32/base32.h"
-
-namespace base32 {
-
-namespace {
-
-// Returns a 5 bit number between [0,31] matching the provided base 32 encoded
-// character. Returns 0xff on error.
-uint8_t ReverseMapping(char input_char) {
-  if (input_char >= 'A' && input_char <= 'Z')
-    return input_char - 'A';
-  if (input_char >= '2' && input_char <= '7')
-    return input_char - '2' + 26;
-
-  NOTREACHED() << "Invalid base32 character";
-  return 0xff;
-}
-
-}  // namespace
-
-std::string Base32Decode(base::StringPiece input) {
-  if (input.empty())
-    return std::string();
-
-  // Remove padding, if any
-  const size_t padding_index = input.find(kPaddingChar);
-  if (padding_index != base::StringPiece::npos)
-    input.remove_suffix(input.size() - padding_index);
-
-  const size_t decoded_length =
-      (base::MakeCheckedNum(input.size()) * 5 / 8).ValueOrDie();
-
-  std::string output;
-  output.reserve(decoded_length);
-
-  // A bit stream which will be read from the left and appended to from the
-  // right as it's emptied.
-  uint16_t bit_stream = 0;
-  size_t free_bits = 16;
-  for (char input_char : input) {
-    const uint8_t decoded_5bits = ReverseMapping(input_char);
-    // If an invalid character is read from the input, then stop decoding.
-    if (decoded_5bits >= 32)
-      return std::string();
-
-    // Place the next decoded 5-bits in the stream.
-    bit_stream |= decoded_5bits << (free_bits - 5);
-    free_bits -= 5;
-
-    // If the stream is filled with a byte, flush the stream of that byte and
-    // append it to the output.
-    if (free_bits <= 8) {
-      output.push_back(static_cast<char>(bit_stream >> 8));
-      bit_stream <<= 8;
-      free_bits += 8;
-    }
-  }
-
-  DCHECK_EQ(decoded_length, output.size());
-  return output;
-}
-
-}  // namespace base32