Fix include guards for QUIC files.

net/quic/core/quic_config.h

 // Copyright (c) 2013 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_QUIC_QUIC_CONFIG_H_
-#define NET_QUIC_QUIC_CONFIG_H_
+#ifndef NET_QUIC_CORE_QUIC_CONFIG_H_
+#define NET_QUIC_CORE_QUIC_CONFIG_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <string>
 
 #include "net/base/net_export.h"
 #include "net/quic/core/quic_packets.h"
 #include "net/quic/core/quic_time.h"
 
@@ skipping 423 matching lines @@
 
   // Force HOL blocking for measurement purposes.
   QuicFixedUint32 force_hol_blocking_;
 
   // Whether support HTTP/2 SETTINGS_MAX_HEADER_LIST_SIZE SETTINGS frame.
   QuicFixedUint32 support_max_header_list_size_;
 };
 
 }  // namespace net
 
-#endif  // NET_QUIC_QUIC_CONFIG_H_
+#endif  // NET_QUIC_CORE_QUIC_CONFIG_H_