Cleanup: Remove unneeded scoped_ptr.h includes from net.

net/dns/dns_session.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_DNS_DNS_SESSION_H_
 #define NET_DNS_DNS_SESSION_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/time.h"
 #include "net/base/net_export.h"
 #include "net/base/rand_callback.h"
 #include "net/dns/dns_config_service.h"
 
 namespace net {
 
 class ClientSocketFactory;
 class NetLog;
 
@@ skipping 39 matching lines @@
   // TODO(szym): Add current RTT estimate.
   // TODO(szym): Add TCP connection pool to support DNS over TCP.
   // TODO(szym): Add UDP port pool to avoid NAT table overload.
 
   DISALLOW_COPY_AND_ASSIGN(DnsSession);
 };
 
 }  // namespace net
 
 #endif  // NET_DNS_DNS_SESSION_H_
-