Added DISALLOW_COPY_AND_ASSIGN to disable copy/assign.

net/quic/crypto/channel_id.h

 // Copyright 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_CHANNEL_ID_H_
 #define NET_QUIC_CRYPTO_CHANNEL_ID_H_
 
 #include <string>
 
 #include "base/strings/string_piece.h"
@@ skipping 39 matching lines @@
                      base::StringPiece signature);
 
   // FOR TESTING ONLY: VerifyRaw returns true iff |signature| is a valid
   // signature of |signed_data| by |key|. |is_channel_id_signature| indicates
   // whether |signature| is a ChannelID signature (with kContextStr prepended
   // to the data to be signed).
   static bool VerifyRaw(base::StringPiece key,
                         base::StringPiece signed_data,
                         base::StringPiece signature,
                         bool is_channel_id_signature);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ChannelIDVerifier);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CRYPTO_CHANNEL_ID_H_