Use Cubic when kBBR option is specified.

net/quic/core/quic_sent_packet_manager_test.cc

Index: net/quic/core/quic_sent_packet_manager_test.cc
diff --git a/net/quic/core/quic_sent_packet_manager_test.cc b/net/quic/core/quic_sent_packet_manager_test.cc
index bb0c081381a75f3524e14aa68a57afece618ce38..8f531c32fed80217368602d722f760647958ff37 100644
--- a/net/quic/core/quic_sent_packet_manager_test.cc
+++ b/net/quic/core/quic_sent_packet_manager_test.cc
@@ -1357,16 +1357,14 @@ TEST_P(QuicSentPacketManagerTest, NegotiateCongestionControlFromOptions) {
   EXPECT_EQ(kReno, QuicSentPacketManagerPeer::GetSendAlgorithm(manager_)
                        ->GetCongestionControlType());
 
-// TODO(rtenneti): Enable the following code after BBR code is checked in.
-#if 0
   options.clear();
   options.push_back(kTBBR);
   QuicConfigPeer::SetReceivedConnectionOptions(&config, options);
   EXPECT_CALL(*network_change_visitor_, OnCongestionChange());
   manager_.SetFromConfig(config);
-  EXPECT_EQ(kBBR, QuicSentPacketManagerPeer::GetSendAlgorithm(
-      manager_)->GetCongestionControlType());
-#endif
+  // TODO(vasilvv): change this back to kBBR when the new version is in.
+  EXPECT_EQ(kCubic, QuicSentPacketManagerPeer::GetSendAlgorithm(manager_)
+                        ->GetCongestionControlType());
 
   options.clear();
   options.push_back(kBYTE);