Internal QUICHE change

PiperOrigin-RevId: 319274555
Change-Id: I25dd6916985f6f48eb92b7e806e449e6e2fdb925

quic/core/quic_sent_packet_manager.cc

diff --git a/quic/core/quic_sent_packet_manager.cc b/quic/core/quic_sent_packet_manager.cc
index 2b7b11e..1943d9c 100644
--- a/quic/core/quic_sent_packet_manager.cc
+++ b/quic/core/quic_sent_packet_manager.cc
@@ -264,6 +264,9 @@
   if (config.HasClientSentConnectionOption(kTLPR, perspective)) {
     enable_half_rtt_tail_loss_probe_ = true;
   }
+  if (config.HasClientRequestedIndependentOption(kTLPR, perspective)) {
+    enable_half_rtt_tail_loss_probe_ = true;
+  }
   if (config.HasClientSentConnectionOption(kNRTO, perspective)) {
     use_new_rto_ = true;
   }

quic/core/quic_sent_packet_manager_test.cc

diff --git a/quic/core/quic_sent_packet_manager_test.cc b/quic/core/quic_sent_packet_manager_test.cc
index 89c9c89..e938017 100644
--- a/quic/core/quic_sent_packet_manager_test.cc
+++ b/quic/core/quic_sent_packet_manager_test.cc
@@ -4121,6 +4121,34 @@
             manager_.GetRetransmissionTime());
 }
 
+TEST_F(QuicSentPacketManagerTest, ClientOnlyTLPRServer) {
+  QuicConfig config;
+  QuicTagVector options;
+
+  options.push_back(kTLPR);
+  config.SetClientConnectionOptions(options);
+  EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
+  EXPECT_CALL(*network_change_visitor_, OnCongestionChange());
+  manager_.SetFromConfig(config);
+  // No change if the server receives client options.
+  EXPECT_FALSE(
+      QuicSentPacketManagerPeer::GetEnableHalfRttTailLossProbe(&manager_));
+}
+
+TEST_F(QuicSentPacketManagerTest, ClientOnlyTLPR) {
+  QuicSentPacketManagerPeer::SetPerspective(&manager_, Perspective::IS_CLIENT);
+  QuicConfig config;
+  QuicTagVector options;
+
+  options.push_back(kTLPR);
+  config.SetClientConnectionOptions(options);
+  EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
+  EXPECT_CALL(*network_change_visitor_, OnCongestionChange());
+  manager_.SetFromConfig(config);
+  EXPECT_TRUE(
+      QuicSentPacketManagerPeer::GetEnableHalfRttTailLossProbe(&manager_));
+}
+
 }  // namespace
 }  // namespace test
 }  // namespace quic