Convert crypto::ScopedOpenSSL to type aliases.

net/cert/x509_util_openssl.cc

Index: net/cert/x509_util_openssl.cc
diff --git a/net/cert/x509_util_openssl.cc b/net/cert/x509_util_openssl.cc
index 8ecd0dde35d506dba54c4a316c5580f4ec8b4ceb..6bbf12dcd95a08373db0f6471d06ae48e458c3a6 100644
--- a/net/cert/x509_util_openssl.cc
+++ b/net/cert/x509_util_openssl.cc
@@ -23,16 +23,15 @@ namespace net {
 
 namespace {
 
-typedef crypto::ScopedOpenSSL<ASN1_INTEGER, ASN1_INTEGER_free>::Type
-    ScopedASN1_INTEGER;
-typedef crypto::ScopedOpenSSL<ASN1_OCTET_STRING, ASN1_OCTET_STRING_free>::Type
-    ScopedASN1_OCTET_STRING;
-typedef crypto::ScopedOpenSSL<ASN1_STRING, ASN1_STRING_free>::Type
-    ScopedASN1_STRING;
-typedef crypto::ScopedOpenSSL<ASN1_TIME, ASN1_TIME_free>::Type ScopedASN1_TIME;
-typedef crypto::ScopedOpenSSL<X509_EXTENSION, X509_EXTENSION_free>::Type
-    ScopedX509_EXTENSION;
-typedef crypto::ScopedOpenSSL<X509_NAME, X509_NAME_free>::Type ScopedX509_NAME;
+using ScopedASN1_INTEGER =
+    crypto::ScopedOpenSSL<ASN1_INTEGER, ASN1_INTEGER_free>;
+using ScopedASN1_OCTET_STRING =
+    crypto::ScopedOpenSSL<ASN1_OCTET_STRING, ASN1_OCTET_STRING_free>;
+using ScopedASN1_STRING = crypto::ScopedOpenSSL<ASN1_STRING, ASN1_STRING_free>;
+using ScopedASN1_TIME = crypto::ScopedOpenSSL<ASN1_TIME, ASN1_TIME_free>;
+using ScopedX509_EXTENSION =
+    crypto::ScopedOpenSSL<X509_EXTENSION, X509_EXTENSION_free>;
+using ScopedX509_NAME = crypto::ScopedOpenSSL<X509_NAME, X509_NAME_free>;
 
 const EVP_MD* ToEVP(x509_util::DigestAlgorithm alg) {
   switch (alg) {