Fix include guards for QUIC files.

net/tools/quic/quic_simple_server_packet_writer.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_QUIC_TOOLS_QUIC_SIMPLE_SERVER_PACKET_WRITER_H_
-#define NET_QUIC_TOOLS_QUIC_SIMPLE_SERVER_PACKET_WRITER_H_
+#ifndef NET_TOOLS_QUIC_QUIC_SIMPLE_SERVER_PACKET_WRITER_H_
+#define NET_TOOLS_QUIC_QUIC_SIMPLE_SERVER_PACKET_WRITER_H_
 
 #include <stddef.h>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "net/quic/core/quic_connection.h"
 #include "net/quic/core/quic_packet_writer.h"
 #include "net/quic/core/quic_packets.h"
 
@@ skipping 49 matching lines @@
   // Whether a write is currently in flight.
   bool write_blocked_;
 
   base::WeakPtrFactory<QuicSimpleServerPacketWriter> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSimpleServerPacketWriter);
 };
 
 }  // namespace net
 
-#endif  // NET_QUIC_TOOLS_QUIC_SIMPLE_SERVER_PACKET_WRITER_H_
+#endif  // NET_TOOLS_QUIC_QUIC_SIMPLE_SERVER_PACKET_WRITER_H_