Add a kBYTE congestion option to QUIC to negotiate the TcpCubicBytesSender.

net/quic/congestion_control/send_algorithm_interface.cc

Index: net/quic/congestion_control/send_algorithm_interface.cc
diff --git a/net/quic/congestion_control/send_algorithm_interface.cc b/net/quic/congestion_control/send_algorithm_interface.cc
index deeaf8c07d103950e2517ce00ff1c2307bd30e2b..46ba32373b3defe18bcf21a8181303a9e0af5ff7 100644
--- a/net/quic/congestion_control/send_algorithm_interface.cc
+++ b/net/quic/congestion_control/send_algorithm_interface.cc
@@ -4,6 +4,7 @@
 
 #include "net/quic/congestion_control/send_algorithm_interface.h"
 
+#include "net/quic/congestion_control/tcp_cubic_bytes_sender.h"
 #include "net/quic/congestion_control/tcp_cubic_sender.h"
 #include "net/quic/quic_protocol.h"
 
@@ -22,9 +23,16 @@ SendAlgorithmInterface* SendAlgorithmInterface::Create(
     case kCubic:
       return new TcpCubicSender(clock, rtt_stats, false /* don't use Reno */,
                                 initial_congestion_window, stats);
+    case kCubicBytes:
+      return new TcpCubicBytesSender(clock, rtt_stats,
+                                     false /* don't use Reno */,
+                                     initial_congestion_window, stats);
     case kReno:
       return new TcpCubicSender(clock, rtt_stats, true /* use Reno */,
                                 initial_congestion_window, stats);
+    case kRenoBytes:
+      return new TcpCubicBytesSender(clock, rtt_stats, true /* use Reno */,
+                                     initial_congestion_window, stats);
     case kBBR:
   // TODO(rtenneti): Enable BbrTcpSender.
 #if 0