This CL changes the lifespan of SSLConnectJobMessengers so that they are created only when needed,

net/socket/ssl_client_socket_openssl.h

 // Copyright (c) 2012 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.
 
 #ifndef NET_SOCKET_SSL_CLIENT_SOCKET_OPENSSL_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_OPENSSL_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 37 matching lines @@
   SSLClientSocketOpenSSL(scoped_ptr<ClientSocketHandle> transport_socket,
                          const HostPortPair& host_and_port,
                          const SSLConfig& ssl_config,
                          const SSLClientSocketContext& context);
   virtual ~SSLClientSocketOpenSSL();
 
   const HostPortPair& host_and_port() const { return host_and_port_; }
   const std::string& ssl_session_cache_shard() const {
     return ssl_session_cache_shard_;
   }
-  std::string GetSessionCacheKey() const;
 
   // SSLClientSocket implementation.
+  virtual std::string GetSessionCacheKey() const;
   virtual bool InSessionCache() const OVERRIDE;
   virtual void WatchSessionForCompletion(
       const base::Closure& callback) OVERRIDE;
   virtual void SetSocketFailureCallback(const base::Closure& callback) OVERRIDE;
   virtual void SetIsLeader() OVERRIDE;
   virtual void OnSocketFailure() OVERRIDE;
   virtual void GetSSLCertRequestInfo(
       SSLCertRequestInfo* cert_request_info) OVERRIDE;
   virtual NextProtoStatus GetNextProto(std::string* proto,
                                        std::string* server_protos) OVERRIDE;
@@ skipping 191 matching lines @@
   // True if channel ID extension was negotiated.
   bool channel_id_xtn_negotiated_;
   // The request handle for |server_bound_cert_service_|.
   ServerBoundCertService::RequestHandle channel_id_request_handle_;
   BoundNetLog net_log_;
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_SSL_CLIENT_SOCKET_OPENSSL_H_