Convert crypto::ScopedOpenSSL to type aliases.

crypto/rsa_private_key_openssl.cc

Index: crypto/rsa_private_key_openssl.cc
diff --git a/crypto/rsa_private_key_openssl.cc b/crypto/rsa_private_key_openssl.cc
index 799d0f076afaaf7b5337f04e4a3c000a4e9c1ed8..9f8352d921582c06bfa94558147a911ac2d63f4a 100644
--- a/crypto/rsa_private_key_openssl.cc
+++ b/crypto/rsa_private_key_openssl.cc
@@ -19,13 +19,13 @@ 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,