Fix net_export.h includes.

net/http/disk_cache_based_quic_server_info.h

 // Copyright 2014 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_DISK_CACHE_BASED_QUIC_SERVER_INFO_H_
 #define NET_HTTP_DISK_CACHE_BASED_QUIC_SERVER_INFO_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/time/time.h"
 #include "net/base/completion_callback.h"
+#include "net/base/net_export.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/quic/core/crypto/quic_server_info.h"
 
 namespace net {
 
 class HttpCache;
 class IOBuffer;
 class QuicServerId;
 
 // DiskCacheBasedQuicServerInfo fetches information about a QUIC server from
@@ skipping 99 matching lines @@
   FailureReason last_failure_;
 
   base::WeakPtrFactory<DiskCacheBasedQuicServerInfo> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DiskCacheBasedQuicServerInfo);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_DISK_CACHE_BASED_QUIC_SERVER_INFO_H_