gfe-relnote: Pass receive_timestamp to OnMessageAcked().

When receive timestamps are turned on and message frames are enabled, this will
make receive timestamps available to the session whenever a message is acked.

This will be used for RTP over QUIC, where ack timestamps are required for RTP's
congestion controller and media adaptation.  (The current implementation uses
QUIC like a tunnel and disables its congestion control.)

Not flag-protected: no change in behavior, just a change in what is visible
where.

PiperOrigin-RevId: 250703980
Change-Id: I01bcee29d5dfb808771c54e4fd14ebbfa8750375

quic/test_tools/quic_test_utils.h

diff --git a/quic/test_tools/quic_test_utils.h b/quic/test_tools/quic_test_utils.h
index bf8edcf..8f1cb7a 100644
--- a/quic/test_tools/quic_test_utils.h
+++ b/quic/test_tools/quic_test_utils.h
@@ -1054,7 +1054,7 @@
   MockSessionNotifier();
   ~MockSessionNotifier() override;
 
-  MOCK_METHOD2(OnFrameAcked, bool(const QuicFrame&, QuicTime::Delta));
+  MOCK_METHOD3(OnFrameAcked, bool(const QuicFrame&, QuicTime::Delta, QuicTime));
   MOCK_METHOD1(OnStreamFrameRetransmitted, void(const QuicStreamFrame&));
   MOCK_METHOD1(OnFrameLost, void(const QuicFrame&));
   MOCK_METHOD2(RetransmitFrames,

quic/test_tools/simple_session_notifier.cc

diff --git a/quic/test_tools/simple_session_notifier.cc b/quic/test_tools/simple_session_notifier.cc
index e72e0e1..c6e3801 100644
--- a/quic/test_tools/simple_session_notifier.cc
+++ b/quic/test_tools/simple_session_notifier.cc
@@ -135,7 +135,8 @@
     QuicStreamFrame stream_frame(
         QuicUtils::GetCryptoStreamId(connection_->transport_version()), false,
         interval.min(), interval.max() - interval.min());
-    OnFrameAcked(QuicFrame(stream_frame), QuicTime::Delta::Zero());
+    OnFrameAcked(QuicFrame(stream_frame), QuicTime::Delta::Zero(),
+                 QuicTime::Zero());
   }
 }
 
@@ -202,7 +203,8 @@
 }
 
 bool SimpleSessionNotifier::OnFrameAcked(const QuicFrame& frame,
-                                         QuicTime::Delta /*ack_delay_time*/) {
+                                         QuicTime::Delta /*ack_delay_time*/,
+                                         QuicTime /*receive_timestamp*/) {
   QUIC_DVLOG(1) << "Acking " << frame;
   if (frame.type == CRYPTO_FRAME) {
     StreamState* state = &crypto_state_[frame.crypto_frame->level];

quic/test_tools/simple_session_notifier.h

diff --git a/quic/test_tools/simple_session_notifier.h b/quic/test_tools/simple_session_notifier.h
index e7d4fdc..25c9941 100644
--- a/quic/test_tools/simple_session_notifier.h
+++ b/quic/test_tools/simple_session_notifier.h
@@ -65,7 +65,8 @@
 
   // SessionNotifierInterface methods:
   bool OnFrameAcked(const QuicFrame& frame,
-                    QuicTime::Delta ack_delay_time) override;
+                    QuicTime::Delta ack_delay_time,
+                    QuicTime receive_timestamp) override;
   void OnStreamFrameRetransmitted(const QuicStreamFrame& frame) override {}
   void OnFrameLost(const QuicFrame& frame) override;
   void RetransmitFrames(const QuicFrames& frames,

quic/test_tools/simple_session_notifier_test.cc

diff --git a/quic/test_tools/simple_session_notifier_test.cc b/quic/test_tools/simple_session_notifier_test.cc
index d2aad9f..d9958c8 100644
--- a/quic/test_tools/simple_session_notifier_test.cc
+++ b/quic/test_tools/simple_session_notifier_test.cc
@@ -154,7 +154,8 @@
   QuicStreamFrame stream_frame(
       QuicUtils::GetCryptoStreamId(connection_.transport_version()), false,
       1024, 1024);
-  notifier_.OnFrameAcked(QuicFrame(stream_frame), QuicTime::Delta::Zero());
+  notifier_.OnFrameAcked(QuicFrame(stream_frame), QuicTime::Delta::Zero(),
+                         QuicTime::Zero());
   EXPECT_TRUE(notifier_.StreamIsWaitingForAcks(
       QuicUtils::GetCryptoStreamId(connection_.transport_version())));
   // Neuters unencrypted data.
@@ -315,8 +316,10 @@
   // Ack stream 3 [3, 7), and stream 5 [8, 10).
   QuicStreamFrame ack_frame1(3, false, 3, 4);
   QuicStreamFrame ack_frame2(5, false, 8, 2);
-  notifier_.OnFrameAcked(QuicFrame(ack_frame1), QuicTime::Delta::Zero());
-  notifier_.OnFrameAcked(QuicFrame(ack_frame2), QuicTime::Delta::Zero());
+  notifier_.OnFrameAcked(QuicFrame(ack_frame1), QuicTime::Delta::Zero(),
+                         QuicTime::Zero());
+  notifier_.OnFrameAcked(QuicFrame(ack_frame2), QuicTime::Delta::Zero(),
+                         QuicTime::Zero());
   EXPECT_FALSE(notifier_.WillingToWrite());
 
   // Force to send.

quic/test_tools/simulator/quic_endpoint.cc

diff --git a/quic/test_tools/simulator/quic_endpoint.cc b/quic/test_tools/simulator/quic_endpoint.cc
index 043eae9..78cc302 100644
--- a/quic/test_tools/simulator/quic_endpoint.cc
+++ b/quic/test_tools/simulator/quic_endpoint.cc
@@ -265,9 +265,10 @@
 }
 
 bool QuicEndpoint::OnFrameAcked(const QuicFrame& frame,
-                                QuicTime::Delta ack_delay_time) {
+                                QuicTime::Delta ack_delay_time,
+                                QuicTime receive_timestamp) {
   if (notifier_ != nullptr) {
-    return notifier_->OnFrameAcked(frame, ack_delay_time);
+    return notifier_->OnFrameAcked(frame, ack_delay_time, receive_timestamp);
   }
   return false;
 }

quic/test_tools/simulator/quic_endpoint.h

diff --git a/quic/test_tools/simulator/quic_endpoint.h b/quic/test_tools/simulator/quic_endpoint.h
index 8bbdbd7..8efef0e 100644
--- a/quic/test_tools/simulator/quic_endpoint.h
+++ b/quic/test_tools/simulator/quic_endpoint.h
@@ -122,7 +122,8 @@
 
   // Begin SessionNotifierInterface methods:
   bool OnFrameAcked(const QuicFrame& frame,
-                    QuicTime::Delta ack_delay_time) override;
+                    QuicTime::Delta ack_delay_time,
+                    QuicTime receive_timestamp) override;
   void OnStreamFrameRetransmitted(const QuicStreamFrame& frame) override {}
   void OnFrameLost(const QuicFrame& frame) override;
   void RetransmitFrames(const QuicFrames& frames,