Remove support for the keygen tag

net/base/openssl_private_key_store_android.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 "net/base/openssl_private_key_store.h"
-
-#include "base/logging.h"
-#include "base/memory/singleton.h"
-#include "crypto/openssl_util.h"
-#include "net/android/network_library.h"
-#include "third_party/boringssl/src/include/openssl/bytestring.h"
-#include "third_party/boringssl/src/include/openssl/evp.h"
-#include "third_party/boringssl/src/include/openssl/mem.h"
-
-namespace net {
-
-bool OpenSSLPrivateKeyStore::StoreKeyPair(const GURL& url, EVP_PKEY* pkey) {
-  // Always clear openssl errors on exit.
-  crypto::OpenSSLErrStackTracer err_trace(FROM_HERE);
-
-  uint8_t* public_key;
-  size_t public_len;
-  bssl::ScopedCBB cbb;
-  if (!CBB_init(cbb.get(), 0) || !EVP_marshal_public_key(cbb.get(), pkey) ||
-      !CBB_finish(cbb.get(), &public_key, &public_len)) {
-    return false;
-  }
-  bssl::UniquePtr<uint8_t> free_public_key(public_key);
-
-  uint8_t* private_key;
-  size_t private_len;
-  cbb.Reset();
-  if (!CBB_init(cbb.get(), 0) || !EVP_marshal_private_key(cbb.get(), pkey) ||
-      !CBB_finish(cbb.get(), &private_key, &private_len)) {
-    return false;
-  }
-  bssl::UniquePtr<uint8_t> free_private_key(private_key);
-
-  if (!android::StoreKeyPair(public_key, public_len, private_key,
-                             private_len)) {
-    LOG(ERROR) << "StoreKeyPair failed. public_len = " << public_len
-               << " private_len = " << private_len;
-  }
-  return true;
-}
-
-}  // namespace net