Refactor client cert private key handling.

net/ssl/ssl_client_auth_cache.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 "net/ssl/ssl_client_auth_cache.h"
 
 #include "base/logging.h"
 #include "net/cert/x509_certificate.h"
 #include "net/ssl/ssl_private_key.h"
 
@@ skipping 15 matching lines @@
   AuthCacheMap::iterator iter = cache_.find(server);
   if (iter == cache_.end())
     return false;
 
   *certificate = iter->second.first;
   *private_key = iter->second.second;
   return true;
 }
 
 void SSLClientAuthCache::Add(const HostPortPair& server,
-                             X509Certificate* certificate,
-                             SSLPrivateKey* private_key) {
-  cache_[server] = std::make_pair(certificate, private_key);
+                             scoped_refptr<X509Certificate> certificate,
+                             scoped_refptr<SSLPrivateKey> private_key) {
+  cache_[server] =
+      std::make_pair(std::move(certificate), std::move(private_key));
 
   // TODO(wtc): enforce a maximum number of entries.
 }
 
 void SSLClientAuthCache::Remove(const HostPortPair& server) {
   cache_.erase(server);
 }
 
 void SSLClientAuthCache::OnCertDBChanged() {
   cache_.clear();
 }
 
 }  // namespace net