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

net/quic/quic_crypto_client_stream.cc

Index: net/quic/quic_crypto_client_stream.cc
diff --git a/net/quic/quic_crypto_client_stream.cc b/net/quic/quic_crypto_client_stream.cc
index 1fe0b5c5dd27e7f4b03948ff48a28f46d254fd3d..7ac7fc5050d9b8cbd50de8ea5f52f46390be5b54 100644
--- a/net/quic/quic_crypto_client_stream.cc
+++ b/net/quic/quic_crypto_client_stream.cc
@@ -476,7 +476,8 @@ QuicAsyncStatus QuicCryptoClientStream::DoVerifyProof(
       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:
@@ -484,10 +485,8 @@ QuicAsyncStatus QuicCryptoClientStream::DoVerifyProof(
       DVLOG(1) << "Doing VerifyProof";
       break;
     case QUIC_FAILURE:
-      delete proof_verify_callback;
       break;
     case QUIC_SUCCESS:
-      delete proof_verify_callback;
       verify_ok_ = true;
       break;
   }