net: Disconnect proxy sockets that have a certificate error.

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 fc7cf63b0b25810931c7065261dc36284dee04b7..ebea7767747db9a2b7552d7c14d825d753e8699a 100644
--- a/net/http/http_proxy_client_socket_pool.cc
+++ b/net/http/http_proxy_client_socket_pool.cc
@@ -225,6 +225,7 @@ int HttpProxyConnectJob::DoSSLConnectComplete(int result) {
     } else {
       // TODO(rch): allow the user to deal with proxy cert errors in the
       // same way as server cert errors.
+      transport_socket_handle_->socket()->Disconnect();

[wtc, 2012/03/05 21:08:14]

rch: the code on lines 233-234 below has a null pointer check.

I guess the null pointer check is not necessary here because
if the socket is null, we cannot possibly get a certificate
error?

       return ERR_PROXY_CERTIFICATE_INVALID;
     }
   }