Fix include guards for QUIC files.

net/quic/core/quic_packet_generator.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.
 //
 // Responsible for generating packets on behalf of a QuicConnection.
 // Packets are serialized just-in-time.  Control frames are queued.
 // Ack and Feedback frames will be requested from the Connection
 // just-in-time.  When a packet needs to be sent, the Generator
 // will serialize a packet and pass it to QuicConnection::SendOrQueuePacket()
 //
@@ skipping 19 matching lines @@
 // an Ack frame which will then be included in the packet.  When
 // the write call completes, the current packet will be serialized
 // and sent to the Delegate, even if it is not full.
 //
 // If the Generator is in batch mode, then each write operation will
 // add data to the "current" packet.  When the current packet becomes
 // full, it will be serialized and sent to the packet.  When batch
 // mode is ended via |FinishBatchOperations|, the current packet
 // will be serialzied, even if it is not full.
 
-#ifndef NET_QUIC_QUIC_PACKET_GENERATOR_H_
-#define NET_QUIC_QUIC_PACKET_GENERATOR_H_
+#ifndef NET_QUIC_CORE_QUIC_PACKET_GENERATOR_H_
+#define NET_QUIC_CORE_QUIC_PACKET_GENERATOR_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <list>
 
 #include "base/macros.h"
 #include "net/base/net_export.h"
 #include "net/quic/core/quic_packet_creator.h"
 #include "net/quic/core/quic_pending_retransmission.h"
@@ skipping 158 matching lines @@
   // a reference to it until we flush (and serialize it). Retransmittable frames
   // are referenced elsewhere so that they can later be (optionally)
   // retransmitted.
   QuicStopWaitingFrame pending_stop_waiting_frame_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicPacketGenerator);
 };
 
 }  // namespace net
 
-#endif  // NET_QUIC_QUIC_PACKET_GENERATOR_H_
+#endif  // NET_QUIC_CORE_QUIC_PACKET_GENERATOR_H_