Fix include guards for QUIC files.

net/quic/core/spdy_utils.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_SPDY_UTILS_H_
-#define NET_QUIC_SPDY_UTILS_H_
+#ifndef NET_QUIC_CORE_SPDY_UTILS_H_
+#define NET_QUIC_CORE_SPDY_UTILS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <string>
 
 #include "base/macros.h"
 #include "net/base/net_export.h"
 #include "net/quic/core/quic_header_list.h"
@@ skipping 60 matching lines @@
   // which must be fully-qualified.
   static bool PopulateHeaderBlockFromUrl(const std::string url,
                                          SpdyHeaderBlock* headers);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SpdyUtils);
 };
 
 }  // namespace net
 
-#endif  // NET_QUIC_SPDY_UTILS_H_
+#endif  // NET_QUIC_CORE_SPDY_UTILS_H_