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

net/http/http_proxy_client_socket_pool.cc

Index: net/http/http_proxy_client_socket_pool.cc
diff --git a/net/http/http_proxy_client_socket_pool.cc b/net/http/http_proxy_client_socket_pool.cc
index 37ffa6d1a436567d24cdbe7ffb558c9c81d96f3b..befa352e9925117e5574d7df07bc4adf498a6c33 100644
--- a/net/http/http_proxy_client_socket_pool.cc
+++ b/net/http/http_proxy_client_socket_pool.cc
@@ -384,12 +384,11 @@ HttpProxyConnectJobFactory::HttpProxyConnectJobFactory(
     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(),