net: don't assume that we have an SSLHostInfo.

net/socket/ssl_client_socket_pool.cc

 // Copyright (c) 2010 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/socket/ssl_client_socket_pool.h"
 
 #include "base/metrics/histogram.h"
 #include "base/values.h"
 #include "net/base/net_errors.h"
 #include "net/base/host_port_pair.h"
@@ skipping 184 matching lines @@
 
 int SSLConnectJob::DoTCPConnect() {
   DCHECK(tcp_pool_);
 
   if (ssl_host_info_factory_) {
       ssl_host_info_.reset(
           ssl_host_info_factory_->GetForHost(params_->host_and_port().host(),
                                              params_->ssl_config()));
   }
 
-  if (dnsrr_resolver_)
-    ssl_host_info_->StartDnsLookup(dnsrr_resolver_);
+  if (ssl_host_info_.get()) {
+    if (dnsrr_resolver_)
+      ssl_host_info_->StartDnsLookup(dnsrr_resolver_);
 
-  if (ssl_host_info_.get()) {
     // This starts fetching the SSL host info from the disk cache for Snap
     // Start.
     ssl_host_info_->Start();
   }
 
   next_state_ = STATE_TCP_CONNECT_COMPLETE;
   transport_socket_handle_.reset(new ClientSocketHandle());
   scoped_refptr<TCPSocketParams> tcp_params = params_->tcp_params();
   return transport_socket_handle_->Init(group_name(), tcp_params,
                                         tcp_params->destination().priority(),
@@ skipping 318 matching lines @@
 
 base::TimeDelta SSLClientSocketPool::ConnectionTimeout() const {
   return base_.ConnectionTimeout();
 }
 
 ClientSocketPoolHistograms* SSLClientSocketPool::histograms() const {
   return base_.histograms();
 }
 
 }  // namespace net