Remove quic_bbr2_sender.

It's no longer useful now that BBR2 code is in Chromium.

gfe-relnote: n/a (no functional change)

Merge note: please remove quic_bbr2_sender_impl.h from Chromium

PiperOrigin-RevId: 291838586
Change-Id: I970301efae639fedb3efb93b7905702573fb1c47
diff --git a/quic/core/congestion_control/send_algorithm_interface.cc b/quic/core/congestion_control/send_algorithm_interface.cc
index 83529c6..26c0976 100644
--- a/quic/core/congestion_control/send_algorithm_interface.cc
+++ b/quic/core/congestion_control/send_algorithm_interface.cc
@@ -4,10 +4,10 @@
 
 #include "net/third_party/quiche/src/quic/core/congestion_control/send_algorithm_interface.h"
 
+#include "net/third_party/quiche/src/quic/core/congestion_control/bbr2_sender.h"
 #include "net/third_party/quiche/src/quic/core/congestion_control/bbr_sender.h"
 #include "net/third_party/quiche/src/quic/core/congestion_control/tcp_cubic_sender_bytes.h"
 #include "net/third_party/quiche/src/quic/core/quic_packets.h"
-#include "net/third_party/quiche/src/quic/platform/api/quic_bbr2_sender.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_bug_tracker.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_fallthrough.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_flag_utils.h"
@@ -36,9 +36,9 @@
                            initial_congestion_window, max_congestion_window,
                            random, stats);
     case kBBRv2:
-      return new QuicBbr2Sender(clock->ApproximateNow(), rtt_stats,
-                                unacked_packets, initial_congestion_window,
-                                max_congestion_window, random, stats);
+      return new Bbr2Sender(clock->ApproximateNow(), rtt_stats, unacked_packets,
+                            initial_congestion_window, max_congestion_window,
+                            random, stats);
     case kPCC:
       if (GetQuicReloadableFlag(quic_enable_pcc3)) {
         return CreatePccSender(clock, rtt_stats, unacked_packets, random, stats,
diff --git a/quic/platform/api/quic_bbr2_sender.h b/quic/platform/api/quic_bbr2_sender.h
deleted file mode 100644
index 48bc86a..0000000
--- a/quic/platform/api/quic_bbr2_sender.h
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright (c) 2019 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef QUICHE_QUIC_PLATFORM_API_QUIC_BBR2_SENDER_H_
-#define QUICHE_QUIC_PLATFORM_API_QUIC_BBR2_SENDER_H_
-
-#include "net/quic/platform/impl/quic_bbr2_sender_impl.h"
-
-namespace quic {
-
-using QuicBbr2Sender = QuicBbr2SenderImpl;
-
-}  // namespace quic
-
-#endif  // QUICHE_QUIC_PLATFORM_API_QUIC_BBR2_SENDER_H_