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

net/socket/ssl_client_socket_openssl.cc

 // 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.
 
 // 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/err.h>
@@ skipping 350 matching lines @@
 
 SSLClientSocketOpenSSL::~SSLClientSocketOpenSSL() {
   SSLContext* context = SSLContext::GetInstance();
   context->session_cache()->RemoveFromSSLToCallbackMap(ssl_);
   Disconnect();
 }
 
 // Compute a unique key string for the SSL session cache.
 // Return a string.
 std::string SSLClientSocketOpenSSL::GetSessionCacheKey() const {
-  return FormatSessionCacheKey(host_and_port_.ToString(),
-                               ssl_session_cache_shard_);
+  std::string result = host_and_port_.ToString();
+  result.append("/");
+  result.append(ssl_session_cache_shard_);
+  return result;
 }
 
 bool SSLClientSocketOpenSSL::InSessionCache() const {
   SSLContext* context = SSLContext::GetInstance();
   std::string cache_key = GetSessionCacheKey();
   return context->session_cache()->SSLSessionIsInCache(cache_key);
 }
 
 void SSLClientSocketOpenSSL::WatchSessionForCompletion(
     const base::Closure& callback) {
@@ skipping 1093 matching lines @@
   DVLOG(2) << "next protocol: '" << npn_proto_ << "' status: " << npn_status_;
   return SSL_TLSEXT_ERR_OK;
 }
 
 scoped_refptr<X509Certificate>
 SSLClientSocketOpenSSL::GetUnverifiedServerCertificateChain() const {
   return server_cert_;
 }
 
 }  // namespace net