Refactoring output of ProofSource::GetProof (no functional changes).

net/quic/core/crypto/proof_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_PROOF_SOURCE_H_
 #define NET_QUIC_CRYPTO_PROOF_SOURCE_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "net/base/net_export.h"
+#include "net/quic/core/crypto/quic_crypto_proof.h"
 #include "net/quic/core/quic_protocol.h"
 
 namespace net {
 
 class IPAddress;
 
 // ProofSource is an interface by which a QUIC server can obtain certificate
 // chains and signatures that prove its identity.
 class NET_EXPORT_PRIVATE ProofSource {
  public:
@@ skipping 35 matching lines @@
     //
     // |signature| contains the signature of the server config.
     //
     // |leaf_cert_sct| holds the signed timestamp (RFC6962) of the leaf cert.
     //
     // |details| holds a pointer to an object representing the statistics, if
     // any, gathered during the operation of GetProof.  If no stats are
     // available, this will be nullptr.
     virtual void Run(bool ok,
                      const scoped_refptr<Chain>& chain,
-                     const std::string& signature,
-                     const std::string& leaf_cert_sct,
+                     const QuicCryptoProof& proof,
                      std::unique_ptr<Details> details) = 0;
 
    private:
     Callback(const Callback&) = delete;
     Callback& operator=(const Callback&) = delete;
   };
 
   virtual ~ProofSource() {}
 
   // GetProof finds a certificate chain for |hostname|, sets |out_chain| to
@@ skipping 23 matching lines @@
   // cert.
   //
   // This function may be called concurrently.
   virtual bool GetProof(const IPAddress& server_ip,
                         const std::string& hostname,
                         const std::string& server_config,
                         QuicVersion quic_version,
                         base::StringPiece chlo_hash,
                         const QuicTagVector& connection_options,
                         scoped_refptr<Chain>* out_chain,
-                        std::string* out_signature,
-                        std::string* out_leaf_cert_sct) = 0;
+                        QuicCryptoProof* proof) = 0;
 
   // Async version of GetProof with identical semantics, except that the results
   // are delivered to |callback|.  Callers should expect that |callback| might
   // be invoked synchronously.  The ProofSource takes ownership of |callback| in
   // any case.
   virtual void GetProof(const IPAddress& server_ip,
                         const std::string& hostname,
                         const std::string& server_config,
                         QuicVersion quic_version,
                         base::StringPiece chlo_hash,
                         const QuicTagVector& connection_options,
                         std::unique_ptr<Callback> callback) = 0;
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CRYPTO_PROOF_SOURCE_H_