use std::unique_ptr for the callback argument of QUIC's ProofVerifier::Verify proof to make ownersh…

net/quic/quic_crypto_client_stream.cc

 // 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.
 
 #include "net/quic/quic_crypto_client_stream.h"
 
 #include <memory>
 #include <vector>
 
 #include "base/metrics/histogram_macros.h"
@@ skipping 458 matching lines @@
 
   ProofVerifierCallbackImpl* proof_verify_callback =
       new ProofVerifierCallbackImpl(this);
 
   verify_ok_ = false;
 
   QuicAsyncStatus status = verifier->VerifyProof(
       server_id_.host(), server_id_.port(), cached->server_config(),
       session()->connection()->version(), chlo_hash_, cached->certs(),
       cached->cert_sct(), cached->signature(), verify_context_.get(),
-      &verify_error_details_, &verify_details_, proof_verify_callback);
+      &verify_error_details_, &verify_details_,
+      std::unique_ptr<ProofVerifierCallback>(proof_verify_callback));
 
   switch (status) {
     case QUIC_PENDING:
       proof_verify_callback_ = proof_verify_callback;
       DVLOG(1) << "Doing VerifyProof";
       break;
     case QUIC_FAILURE:
-      delete proof_verify_callback;
       break;
     case QUIC_SUCCESS:
-      delete proof_verify_callback;
       verify_ok_ = true;
       break;
   }
   return status;
 }
 
 void QuicCryptoClientStream::DoVerifyProofComplete(
     QuicCryptoClientConfig::CachedState* cached) {
   if (!proof_verify_start_time_.is_null()) {
     UMA_HISTOGRAM_TIMES("Net.QuicSession.VerifyProofTime.CachedServerConfig",
@@ skipping 185 matching lines @@
   }
   for (size_t i = 0; i < num_their_proof_demands; i++) {
     if (their_proof_demands[i] == kCHID) {
       return true;
     }
   }
   return false;
 }
 
 }  // namespace net