Fix include guards for QUIC files.

net/quic/core/crypto/null_decrypter.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_QUIC_CRYPTO_NULL_DECRYPTER_H_
-#define NET_QUIC_CRYPTO_NULL_DECRYPTER_H_
+#ifndef NET_QUIC_CORE_CRYPTO_NULL_DECRYPTER_H_
+#define NET_QUIC_CORE_CRYPTO_NULL_DECRYPTER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "net/base/net_export.h"
 #include "net/quic/core/crypto/quic_decrypter.h"
 
 namespace net {
@@ skipping 28 matching lines @@
 
  private:
   bool ReadHash(QuicDataReader* reader, uint128* hash);
   uint128 ComputeHash(base::StringPiece data1, base::StringPiece data2) const;
 
   DISALLOW_COPY_AND_ASSIGN(NullDecrypter);
 };
 
 }  // namespace net
 
-#endif  // NET_QUIC_CRYPTO_NULL_DECRYPTER_H_
+#endif  // NET_QUIC_CORE_CRYPTO_NULL_DECRYPTER_H_