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

net/http/http_proxy_client_socket_pool.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.
 
 #include "net/http/http_proxy_client_socket_pool.h"
 
 #include <algorithm>
 
 #include "base/compiler_specific.h"
 #include "base/time/time.h"
@@ skipping 373 matching lines @@
   if (transport_pool_)
     max_pool_timeout = transport_pool_->ConnectionTimeout();
   if (ssl_pool_)
     max_pool_timeout = std::max(max_pool_timeout,
                                 ssl_pool_->ConnectionTimeout());
 #endif
   timeout_ = max_pool_timeout +
     base::TimeDelta::FromSeconds(kHttpProxyConnectJobTimeoutInSeconds);
 }
 
-
 scoped_ptr<ConnectJob>
 HttpProxyClientSocketPool::HttpProxyConnectJobFactory::NewConnectJob(
     const std::string& group_name,
     const PoolBase::Request& request,
-    ConnectJob::Delegate* delegate) const {
+    ConnectJob::Delegate* delegate) {
   return scoped_ptr<ConnectJob>(new HttpProxyConnectJob(group_name,
                                                         request.priority(),
                                                         request.params(),
                                                         ConnectionTimeout(),
                                                         transport_pool_,
                                                         ssl_pool_,
                                                         host_resolver_,
                                                         delegate,
                                                         net_log_));
 }
@@ skipping 131 matching lines @@
   base_.RemoveHigherLayeredPool(higher_pool);
 }
 
 bool HttpProxyClientSocketPool::CloseOneIdleConnection() {
   if (base_.CloseOneIdleSocket())
     return true;
   return base_.CloseOneIdleConnectionInHigherLayeredPool();
 }
 
 }  // namespace net