Change QuicTestClient::set_client() signature to reflect that it takes ownership.

Also make changes to quic_test_client.cc in the spirit of go/totw/126.

PiperOrigin-RevId: 569502472

quiche/quic/test_tools/quic_test_client.cc

diff --git a/quiche/quic/test_tools/quic_test_client.cc b/quiche/quic/test_tools/quic_test_client.cc
index a70fa94..2a464a4 100644
--- a/quiche/quic/test_tools/quic_test_client.cc
+++ b/quiche/quic/test_tools/quic_test_client.cc
@@ -298,7 +298,7 @@
     QuicSocketAddress server_address, const std::string& server_hostname,
     const QuicConfig& config, const ParsedQuicVersionVector& supported_versions)
     : event_loop_(GetDefaultEventLoop()->Create(QuicDefaultClock::Get())),
-      client_(new MockableQuicClient(
+      client_(std::make_unique<MockableQuicClient>(
           server_address,
           QuicServerId(server_hostname, server_address.port(), false), config,
           supported_versions, event_loop_.get())) {
@@ -310,7 +310,7 @@
     const QuicConfig& config, const ParsedQuicVersionVector& supported_versions,
     std::unique_ptr<ProofVerifier> proof_verifier)
     : event_loop_(GetDefaultEventLoop()->Create(QuicDefaultClock::Get())),
-      client_(new MockableQuicClient(
+      client_(std::make_unique<MockableQuicClient>(
           server_address,
           QuicServerId(server_hostname, server_address.port(), false), config,
           supported_versions, event_loop_.get(), std::move(proof_verifier))) {
@@ -323,7 +323,7 @@
     std::unique_ptr<ProofVerifier> proof_verifier,
     std::unique_ptr<SessionCache> session_cache)
     : event_loop_(GetDefaultEventLoop()->Create(QuicDefaultClock::Get())),
-      client_(new MockableQuicClient(
+      client_(std::make_unique<MockableQuicClient>(
           server_address,
           QuicServerId(server_hostname, server_address.port(), false), config,
           supported_versions, event_loop_.get(), std::move(proof_verifier),
@@ -338,7 +338,7 @@
     std::unique_ptr<SessionCache> session_cache,
     std::unique_ptr<QuicEventLoop> event_loop)
     : event_loop_(std::move(event_loop)),
-      client_(new MockableQuicClient(
+      client_(std::make_unique<MockableQuicClient>(
           server_address,
           QuicServerId(server_hostname, server_address.port(), false), config,
           supported_versions, event_loop_.get(), std::move(proof_verifier),
@@ -417,8 +417,8 @@
     if (rv == QUIC_SUCCESS) return 1;
     if (rv == QUIC_PENDING) {
       // May need to retry request if asynchronous rendezvous fails.
-      std::unique_ptr<spdy::Http2HeaderBlock> new_headers(
-          new spdy::Http2HeaderBlock(headers->Clone()));
+      auto new_headers =
+          std::make_unique<spdy::Http2HeaderBlock>(headers->Clone());
       push_promise_data_to_resend_ = std::make_unique<TestClientDataToResend>(
           std::move(new_headers), body, fin, this, std::move(ack_listener));
       return 1;

quiche/quic/test_tools/quic_test_client.h

diff --git a/quiche/quic/test_tools/quic_test_client.h b/quiche/quic/test_tools/quic_test_client.h
index 8d5ba85..64d49f3 100644
--- a/quiche/quic/test_tools/quic_test_client.h
+++ b/quiche/quic/test_tools/quic_test_client.h
@@ -311,7 +311,9 @@
 
   void Initialize();
 
-  void set_client(MockableQuicClient* client) { client_.reset(client); }
+  void set_client(std::unique_ptr<MockableQuicClient> client) {
+    client_ = std::move(client);
+  }
 
   // Given |uri|, populates the fields in |headers| for a simple GET
   // request. If |uri| is a relative URL, the QuicServerId will be