QUIC - Track how long proof verification takes when cached server config

net/quic/quic_crypto_client_stream.h

 // Copyright (c) 2012 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_QUIC_CRYPTO_CLIENT_STREAM_H_
 #define NET_QUIC_QUIC_CRYPTO_CLIENT_STREAM_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 218 matching lines @@
   // STATE_VERIFY_PROOF_COMPLETE.
   bool verify_ok_;
   std::string verify_error_details_;
   scoped_ptr<ProofVerifyDetails> verify_details_;
 
   // True if the server responded to a previous CHLO with a stateless
   // reject.  Used for book-keeping between the STATE_RECV_REJ,
   // STATE_VERIFY_PROOF*, and subsequent STATE_SEND_CHLO state.
   bool stateless_reject_received_;
 
+  base::TimeTicks proof_verify_start_time_;
+
   DISALLOW_COPY_AND_ASSIGN(QuicCryptoClientStream);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CRYPTO_CLIENT_STREAM_H_