Use new BoringSSL scopers in //crypto

net/ssl/token_binding.h

 // Copyright 2015 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_SSL_TOKEN_BINDING_H_
 #define NET_SSL_TOKEN_BINDING_H_
 
 #include <string>
 #include <vector>
 
 #include "base/strings/string_piece.h"
-#include "crypto/ec_private_key.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_export.h"
 
+namespace crypto {
+class ECPrivateKey;
+}
+
 namespace net {
 
 enum class TokenBindingType {
   PROVIDED = 0,
   REFERRED = 1,
 };
 
 // Takes an exported keying material value |ekm| from the TLS layer, the type of
 // Token Binding |type|, and a token binding key |key| and concatenates the
 // Token Binding type, key type, and ekm. This concatenation is signed with
@@ skipping 83 matching lines @@
 // the signature verifies and false if it doesn't or some other error occurs in
 // verification. This function is only provided for testing.
 NET_EXPORT_PRIVATE bool VerifyTokenBindingSignature(base::StringPiece ec_point,
                                                     base::StringPiece signature,
                                                     TokenBindingType type,
                                                     base::StringPiece ekm);
 
 }  // namespace net
 
 #endif  // NET_SSL_TOKEN_BINDING_H_