Refactor X509Certificate caching to cache the OS handle, rather than the X509Certificate

net/socket/ssl_client_socket_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.
 
 // OpenSSL binding for SSLClientSocket. The class layout and general principle
 // of operation is derived from SSLClientSocketNSS.
 
 #include "net/socket/ssl_client_socket_openssl.h"
 
 #include <openssl/ssl.h>
@@ skipping 851 matching lines @@
   }
 
   // Unlike SSL_get_peer_certificate, SSL_get_peer_cert_chain does not
   // increment the reference so sk_X509_free does not need to be called.
   STACK_OF(X509)* chain = SSL_get_peer_cert_chain(ssl_);
   X509Certificate::OSCertHandles intermediates;
   if (chain) {
     for (int i = 0; i < sk_X509_num(chain); ++i)
       intermediates.push_back(sk_X509_value(chain, i));
   }
-  server_cert_ = X509Certificate::CreateFromHandle(
-      cert.get(), X509Certificate::SOURCE_FROM_NETWORK, intermediates);
+  server_cert_ = X509Certificate::CreateFromHandle(cert.get(), intermediates);
   DCHECK(server_cert_);
 
   return server_cert_;
 }
 
 bool SSLClientSocketOpenSSL::DoTransportIO() {
   bool network_moved = false;
   int nsent = BufferSend();
   int nreceived = BufferRecv();
   network_moved = (nsent > 0 || nreceived >= 0);
@@ skipping 326 matching lines @@
     net_log_.AddByteTransferEvent(NetLog::TYPE_SSL_SOCKET_BYTES_SENT, rv,
                                   user_write_buf_->data());
     return rv;
   }
 
   int err = SSL_get_error(ssl_, rv);
   return MapOpenSSLError(err, err_tracer);
 }
 
 }  // namespace net