Convert crypto::ScopedOpenSSL to type aliases.

crypto/rsa_private_key_openssl.cc

 // Copyright (c) 2011 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 "crypto/rsa_private_key.h"
 
 #include <openssl/bio.h>
 #include <openssl/bn.h>
 #include <openssl/evp.h>
 #include <openssl/pkcs12.h>
 #include <openssl/rsa.h>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "crypto/openssl_util.h"
 #include "crypto/scoped_openssl_types.h"
 
 namespace crypto {
 
 namespace {
 
-typedef ScopedOpenSSL<PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_free>::Type
-    ScopedPKCS8_PRIV_KEY_INFO;
+using ScopedPKCS8_PRIV_KEY_INFO =
+    ScopedOpenSSL<PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_free>;
 
 // Function pointer definition, for injecting the required key export function
 // into ExportKey, below. The supplied function should export EVP_PKEY into
 // the supplied BIO, returning 1 on success or 0 on failure.
-typedef int (ExportFunction)(BIO*, EVP_PKEY*);
+using ExportFunction = int (*)(BIO*, EVP_PKEY*);
 
 // Helper to export |key| into |output| via the specified ExportFunction.
 bool ExportKey(EVP_PKEY* key,
                ExportFunction export_fn,
                std::vector<uint8>* output) {
   if (!key)
     return false;
 
   OpenSSLErrStackTracer err_tracer(FROM_HERE);
   ScopedBIO bio(BIO_new(BIO_s_mem()));
@@ skipping 90 matching lines @@
 
 bool RSAPrivateKey::ExportPrivateKey(std::vector<uint8>* output) const {
   return ExportKey(key_, i2d_PKCS8PrivateKeyInfo_bio, output);
 }
 
 bool RSAPrivateKey::ExportPublicKey(std::vector<uint8>* output) const {
   return ExportKey(key_, i2d_PUBKEY_bio, output);
 }
 
 }  // namespace crypto