Fix include guards for QUIC files.

net/quic/core/crypto/ephemeral_key_source.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_CRYPTO_EPHEMERAL_KEY_SOURCE_H_
-#define NET_QUIC_CRYPTO_EPHEMERAL_KEY_SOURCE_H_
+#ifndef NET_QUIC_CORE_CRYPTO_EPHEMERAL_KEY_SOURCE_H_
+#define NET_QUIC_CORE_CRYPTO_EPHEMERAL_KEY_SOURCE_H_
 
 #include <string>
 
 #include "base/strings/string_piece.h"
 #include "net/base/net_export.h"
 #include "net/quic/core/quic_time.h"
 
 namespace net {
 
 class KeyExchange;
@@ skipping 15 matching lines @@
   virtual std::string CalculateForwardSecureKey(
       const KeyExchange* key_exchange,
       QuicRandom* rand,
       QuicTime now,
       base::StringPiece peer_public_value,
       std::string* public_value) = 0;
 };
 
 }  // namespace net
 
-#endif  // NET_QUIC_CRYPTO_EPHEMERAL_KEY_SOURCE_H_
+#endif  // NET_QUIC_CORE_CRYPTO_EPHEMERAL_KEY_SOURCE_H_