Automated g4 rollback of changelist 980180608.

*** Reason for rollback ***

This new method is not needed with the latest version of cr/979233700.

*** Original change description ***

Add GetInitialCongestionWindowInPackets to SendAlgorithmInterface and its implementations.

***

PiperOrigin-RevId: 981926839
diff --git a/quiche/quic/core/congestion_control/bbr2_sender.cc b/quiche/quic/core/congestion_control/bbr2_sender.cc
index f2c946b..730a781 100644
--- a/quiche/quic/core/congestion_control/bbr2_sender.cc
+++ b/quiche/quic/core/congestion_control/bbr2_sender.cc
@@ -261,10 +261,6 @@
   }
 }
 
-QuicPacketCount Bbr2Sender::GetInitialCongestionWindowInPackets() const {
-  return initial_cwnd_ / kDefaultTCPMSS;
-}
-
 void Bbr2Sender::SetApplicationDrivenPacingRate(
     QuicBandwidth application_bandwidth_target) {
   QUIC_CODE_COUNT(quic_bbr2_set_app_driven_pacing_rate);
diff --git a/quiche/quic/core/congestion_control/bbr2_sender.h b/quiche/quic/core/congestion_control/bbr2_sender.h
index 597b64f..d73a702 100644
--- a/quiche/quic/core/congestion_control/bbr2_sender.h
+++ b/quiche/quic/core/congestion_control/bbr2_sender.h
@@ -52,8 +52,6 @@
   void SetInitialCongestionWindowInPackets(
       QuicPacketCount congestion_window) override;
 
-  QuicPacketCount GetInitialCongestionWindowInPackets() const override;
-
   void SetApplicationDrivenPacingRate(
       QuicBandwidth application_bandwidth_target) override;
 
diff --git a/quiche/quic/core/congestion_control/bbr3_sender.cc b/quiche/quic/core/congestion_control/bbr3_sender.cc
index 916d737..4fe8829 100644
--- a/quiche/quic/core/congestion_control/bbr3_sender.cc
+++ b/quiche/quic/core/congestion_control/bbr3_sender.cc
@@ -246,10 +246,6 @@
   }
 }
 
-QuicPacketCount Bbr3Sender::GetInitialCongestionWindowInPackets() const {
-  return initial_cwnd_ / kDefaultTCPMSS;
-}
-
 void Bbr3Sender::SetApplicationDrivenPacingRate(
     QuicBandwidth application_bandwidth_target) {
   QUIC_CODE_COUNT(quic_bbr2_set_app_driven_pacing_rate);
diff --git a/quiche/quic/core/congestion_control/bbr3_sender.h b/quiche/quic/core/congestion_control/bbr3_sender.h
index b1b60e2..ab4243d 100644
--- a/quiche/quic/core/congestion_control/bbr3_sender.h
+++ b/quiche/quic/core/congestion_control/bbr3_sender.h
@@ -48,8 +48,6 @@
   void SetInitialCongestionWindowInPackets(
       QuicPacketCount congestion_window) override;
 
-  QuicPacketCount GetInitialCongestionWindowInPackets() const override;
-
   void SetApplicationDrivenPacingRate(
       QuicBandwidth application_bandwidth_target) override;
 
diff --git a/quiche/quic/core/congestion_control/bbr_sender.cc b/quiche/quic/core/congestion_control/bbr_sender.cc
index 57b9a5f..0178c5b 100644
--- a/quiche/quic/core/congestion_control/bbr_sender.cc
+++ b/quiche/quic/core/congestion_control/bbr_sender.cc
@@ -162,10 +162,6 @@
   }
 }
 
-QuicPacketCount BbrSender::GetInitialCongestionWindowInPackets() const {
-  return initial_congestion_window_ / kDefaultTCPMSS;
-}
-
 bool BbrSender::InSlowStart() const { return mode_ == STARTUP; }
 
 void BbrSender::OnPacketSent(QuicTime sent_time, QuicByteCount bytes_in_flight,
diff --git a/quiche/quic/core/congestion_control/bbr_sender.h b/quiche/quic/core/congestion_control/bbr_sender.h
index eea3fec..eb887eb 100644
--- a/quiche/quic/core/congestion_control/bbr_sender.h
+++ b/quiche/quic/core/congestion_control/bbr_sender.h
@@ -113,7 +113,6 @@
   void AdjustNetworkParameters(const NetworkParams& params) override;
   void SetInitialCongestionWindowInPackets(
       QuicPacketCount congestion_window) override;
-  QuicPacketCount GetInitialCongestionWindowInPackets() const override;
   void SetApplicationDrivenPacingRate(
       QuicBandwidth /*application_bandwidth_target*/) override {}
   void OnCongestionEvent(bool rtt_updated, QuicByteCount prior_in_flight,
diff --git a/quiche/quic/core/congestion_control/send_algorithm_interface.h b/quiche/quic/core/congestion_control/send_algorithm_interface.h
index ee215dc..41a4114 100644
--- a/quiche/quic/core/congestion_control/send_algorithm_interface.h
+++ b/quiche/quic/core/congestion_control/send_algorithm_interface.h
@@ -93,11 +93,6 @@
   // if called after the initial congestion window is no longer relevant.
   virtual void SetInitialCongestionWindowInPackets(QuicPacketCount packets) = 0;
 
-  // Returns the initial congestion window in number of packets.
-  // Assumes a packet size of kDefaultTCPMSS (1460 bytes),
-  // not kDefaultMaxPacketSize (1250 bytes) for historical reasons.
-  virtual QuicPacketCount GetInitialCongestionWindowInPackets() const = 0;
-
   // [Experimental] Sets the application driven pacing rate. This is only used
   // by an experimental feature for bbr2_sender.
   virtual void SetApplicationDrivenPacingRate(
diff --git a/quiche/quic/core/congestion_control/tcp_cubic_sender_bytes.cc b/quiche/quic/core/congestion_control/tcp_cubic_sender_bytes.cc
index e1a562a..610bce7 100644
--- a/quiche/quic/core/congestion_control/tcp_cubic_sender_bytes.cc
+++ b/quiche/quic/core/congestion_control/tcp_cubic_sender_bytes.cc
@@ -234,11 +234,6 @@
   congestion_window_ = congestion_window * kDefaultTCPMSS;
 }
 
-QuicPacketCount TcpCubicSenderBytes::GetInitialCongestionWindowInPackets()
-    const {
-  return initial_tcp_congestion_window_ / kDefaultTCPMSS;
-}
-
 void TcpCubicSenderBytes::SetMinCongestionWindowInPackets(
     QuicPacketCount congestion_window) {
   min_congestion_window_ = congestion_window * kDefaultTCPMSS;
diff --git a/quiche/quic/core/congestion_control/tcp_cubic_sender_bytes.h b/quiche/quic/core/congestion_control/tcp_cubic_sender_bytes.h
index 84af2e1..c2150b4 100644
--- a/quiche/quic/core/congestion_control/tcp_cubic_sender_bytes.h
+++ b/quiche/quic/core/congestion_control/tcp_cubic_sender_bytes.h
@@ -50,7 +50,6 @@
   void SetNumEmulatedConnections(int num_connections);
   void SetInitialCongestionWindowInPackets(
       QuicPacketCount congestion_window) override;
-  QuicPacketCount GetInitialCongestionWindowInPackets() const override;
   void SetApplicationDrivenPacingRate(
       QuicBandwidth /*application_bandwidth_target*/) override {}
   void OnConnectionMigration() override;
diff --git a/quiche/quic/test_tools/quic_test_utils.h b/quiche/quic/test_tools/quic_test_utils.h
index 750329c..fd8cbf1 100644
--- a/quiche/quic/test_tools/quic_test_utils.h
+++ b/quiche/quic/test_tools/quic_test_utils.h
@@ -1235,8 +1235,6 @@
               (const QuicTagVector& connection_options), (override));
   MOCK_METHOD(void, SetInitialCongestionWindowInPackets,
               (QuicPacketCount packets), (override));
-  MOCK_METHOD(QuicPacketCount, GetInitialCongestionWindowInPackets, (),
-              (const, override));
   MOCK_METHOD(void, SetApplicationDrivenPacingRate,
               (QuicBandwidth application_bandwidth_target), (override));
   MOCK_METHOD(void, OnCongestionEvent,