Make HttpStreamFactoryImpl::Job::|using_ssl_| const

net/http/http_stream_factory_impl_job.h

 // 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.
 
 #ifndef NET_HTTP_HTTP_STREAM_FACTORY_IMPL_JOB_H_
 #define NET_HTTP_HTTP_STREAM_FACTORY_IMPL_JOB_H_
 
 #include <memory>
 #include <utility>
 
@@ skipping 418 matching lines @@
 
   // Enable pooling to a SpdySession with matching IP and certificate
   // even if the SpdySessionKey is different.
   const bool enable_ip_based_pooling_;
 
   // Unowned. |this| job is owned by |delegate_|.
   Delegate* delegate_;
 
   const JobType job_type_;
 
-  // True if handling a HTTPS request, or using SPDY with SSL
-  bool using_ssl_;
+  // True if handling a HTTPS request.
+  const bool using_ssl_;
 
   // True if this network transaction is using SPDY instead of HTTP.
   bool using_spdy_;
 
   // True if this network transaction is using QUIC instead of HTTP.
   bool using_quic_;
   QuicStreamRequest quic_request_;
 
   // True if this job used an existing QUIC session.
   bool using_existing_quic_session_;
@@ skipping 87 matching lines @@
       const SSLConfig& proxy_ssl_config,
       HostPortPair destination,
       GURL origin_url,
       bool enable_ip_based_pooling,
       NetLog* net_log) = 0;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_IMPL_JOB_H_