Remove QuicWrapUnique.

Use absl::WrapUnique directly instead.

Use make_unique instead of WrapUnique(new) in
quic/test_tools/quic_test_client.cc and quic/tools/quic_client.cc.

Add comment in quic/core/crypto/curve25519_key_exchange.cc about why make_unique
cannot be used, similar to the existing comment in
quic/masque/masque_epoll_client.cc.

PiperOrigin-RevId: 366474319
Change-Id: Ibfb5b8bc5ec8e93cba76f8de9b6ba9496a2636c6
diff --git a/quic/test_tools/quic_test_client.cc b/quic/test_tools/quic_test_client.cc
index f0d6a0d..ed823b1 100644
--- a/quic/test_tools/quic_test_client.cc
+++ b/quic/test_tools/quic_test_client.cc
@@ -20,7 +20,6 @@
 #include "quic/core/quic_utils.h"
 #include "quic/platform/api/quic_flags.h"
 #include "quic/platform/api/quic_logging.h"
-#include "quic/platform/api/quic_ptr_util.h"
 #include "quic/platform/api/quic_stack_trace.h"
 #include "quic/test_tools/crypto_test_utils.h"
 #include "quic/test_tools/quic_client_peer.h"
@@ -236,7 +235,7 @@
           epoll_server,
           std::make_unique<MockableQuicClientEpollNetworkHelper>(epoll_server,
                                                                  this),
-          QuicWrapUnique(new RecordingProofVerifier(std::move(proof_verifier))),
+          std::make_unique<RecordingProofVerifier>(std::move(proof_verifier)),
           std::move(session_cache)),
       override_server_connection_id_(EmptyQuicConnectionId()),
       server_connection_id_overridden_(false),