Deprecate FLAGS_quic_limit_cubic_cwnd_increase.

net/quic/core/congestion_control/cubic_bytes_test.cc

Index: net/quic/core/congestion_control/cubic_bytes_test.cc
diff --git a/net/quic/core/congestion_control/cubic_bytes_test.cc b/net/quic/core/congestion_control/cubic_bytes_test.cc
index 8c5f12d48fe4b4ce80efab15c0415bbe2263c521..85ed458583e7a3a5a04d2b84d9fdd8dc602a92e0 100644
--- a/net/quic/core/congestion_control/cubic_bytes_test.cc
+++ b/net/quic/core/congestion_control/cubic_bytes_test.cc
@@ -34,9 +34,7 @@ TEST_F(CubicBytesTest, AboveOrigin) {
   // Convex growth.
   const QuicTime::Delta rtt_min = hundred_ms_;
   QuicByteCount current_cwnd = 10 * kDefaultTCPMSS;
-  QuicByteCount expected_cwnd =
-      current_cwnd + (FLAGS_quic_limit_cubic_cwnd_increase ? kDefaultTCPMSS / 2
-                                                           : kDefaultTCPMSS);
+  QuicByteCount expected_cwnd = current_cwnd + (kDefaultTCPMSS / 2);
   // Initialize the state.
   clock_.AdvanceTime(one_ms_);
   EXPECT_EQ(expected_cwnd, cubic_.CongestionWindowAfterAck(
@@ -80,9 +78,7 @@ TEST_F(CubicBytesTest, AboveOrigin) {
 TEST_F(CubicBytesTest, LossEvents) {
   const QuicTime::Delta rtt_min = hundred_ms_;
   QuicByteCount current_cwnd = 422 * kDefaultTCPMSS;
-  QuicPacketCount expected_cwnd =
-      current_cwnd + (FLAGS_quic_limit_cubic_cwnd_increase ? kDefaultTCPMSS / 2
-                                                           : kDefaultTCPMSS);
+  QuicPacketCount expected_cwnd = current_cwnd + kDefaultTCPMSS / 2;
   // Initialize the state.
   clock_.AdvanceTime(one_ms_);
   EXPECT_EQ(expected_cwnd, cubic_.CongestionWindowAfterAck(
@@ -99,9 +95,7 @@ TEST_F(CubicBytesTest, BelowOrigin) {
   // Concave growth.
   const QuicTime::Delta rtt_min = hundred_ms_;
   QuicByteCount current_cwnd = 422 * kDefaultTCPMSS;
-  QuicPacketCount expected_cwnd =
-      current_cwnd + (FLAGS_quic_limit_cubic_cwnd_increase ? kDefaultTCPMSS / 2
-                                                           : kDefaultTCPMSS);
+  QuicPacketCount expected_cwnd = current_cwnd + kDefaultTCPMSS / 2;
   // Initialize the state.
   clock_.AdvanceTime(one_ms_);
   EXPECT_EQ(expected_cwnd, cubic_.CongestionWindowAfterAck(
@@ -119,8 +113,7 @@ TEST_F(CubicBytesTest, BelowOrigin) {
     current_cwnd =
         cubic_.CongestionWindowAfterAck(kDefaultTCPMSS, current_cwnd, rtt_min);
   }
-  expected_cwnd =
-      FLAGS_quic_limit_cubic_cwnd_increase ? 553632 : 422 * kDefaultTCPMSS;
+  expected_cwnd = 553632;
   EXPECT_EQ(expected_cwnd, current_cwnd);
 }