Remove *_openssl files for gcm_driver

components/gcm_driver/crypto/gcm_message_cryptographer_openssl.cc

Index: components/gcm_driver/crypto/gcm_message_cryptographer_openssl.cc
diff --git a/components/gcm_driver/crypto/gcm_message_cryptographer_openssl.cc b/components/gcm_driver/crypto/gcm_message_cryptographer_openssl.cc
deleted file mode 100644
index 2c9a5056f99bd09f9de355c394b4f3c4bdc2db7b..0000000000000000000000000000000000000000
--- a/components/gcm_driver/crypto/gcm_message_cryptographer_openssl.cc
+++ /dev/null
@@ -1,82 +0,0 @@
-// Copyright 2015 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/gcm_driver/crypto/gcm_message_cryptographer.h"
-
-#include <openssl/aead.h>
-#include <stddef.h>
-#include <stdint.h>
-
-#include "base/logging.h"
-#include "base/numerics/safe_math.h"
-#include "base/strings/string_util.h"
-
-namespace gcm {
-
-namespace {
-
-// The BoringSSL functions used to seal (encrypt) and open (decrypt) a payload
-// follow the same prototype, declared as follows.
-using EVP_AEAD_CTX_TransformFunction =
-    int(const EVP_AEAD_CTX *ctx, uint8_t *out, size_t *out_len,
-        size_t max_out_len, const uint8_t *nonce, size_t nonce_len,
-        const uint8_t *in, size_t in_len, const uint8_t *ad, size_t ad_len);
-
-}  // namespace
-
-bool GCMMessageCryptographer::EncryptDecryptRecordInternal(
-    Mode mode,
-    const base::StringPiece& input,
-    const base::StringPiece& key,
-    const base::StringPiece& nonce,
-    std::string* output) const {
-  DCHECK(output);
-
-  const EVP_AEAD* aead = EVP_aead_aes_128_gcm();
-
-  EVP_AEAD_CTX context;
-  if (!EVP_AEAD_CTX_init(&context, aead,
-                         reinterpret_cast<const uint8_t*>(key.data()),
-                         key.size(), EVP_AEAD_DEFAULT_TAG_LENGTH, nullptr)) {
-    return false;
-  }
-
-  base::CheckedNumeric<size_t> maximum_output_length(input.size());
-  if (mode == ENCRYPT)
-    maximum_output_length += kAuthenticationTagBytes;
-
-  // WriteInto requires the buffer to finish with a NULL-byte.
-  maximum_output_length += 1;
-
-  size_t output_length = 0;
-  uint8_t* raw_output = reinterpret_cast<uint8_t*>(
-      base::WriteInto(output, maximum_output_length.ValueOrDie()));
-
-  EVP_AEAD_CTX_TransformFunction* transform_function =
-      mode == ENCRYPT ? EVP_AEAD_CTX_seal : EVP_AEAD_CTX_open;
-
-  if (!transform_function(
-          &context, raw_output, &output_length, output->size(),
-          reinterpret_cast<const uint8_t*>(nonce.data()), nonce.size(),
-          reinterpret_cast<const uint8_t*>(input.data()), input.size(),
-          nullptr, 0)) {
-    EVP_AEAD_CTX_cleanup(&context);
-    return false;
-  }
-
-  EVP_AEAD_CTX_cleanup(&context);
-
-  base::CheckedNumeric<size_t> expected_output_length(input.size());
-  if (mode == ENCRYPT)
-    expected_output_length += kAuthenticationTagBytes;
-  else
-    expected_output_length -= kAuthenticationTagBytes;
-
-  DCHECK_EQ(expected_output_length.ValueOrDie(), output_length);
-
-  output->resize(output_length);
-  return true;
-}
-
-}  // namespace gcm