Remove CubicTest::CwndIncreaseStatsDuringConvexRegion because it expects and asserts nothing

net/quic/congestion_control/cubic_bytes_test.cc

Index: net/quic/congestion_control/cubic_bytes_test.cc
diff --git a/net/quic/congestion_control/cubic_bytes_test.cc b/net/quic/congestion_control/cubic_bytes_test.cc
index 1d4b94ec50023905c4493bb27f2ebf84dc58de52..02504b3f98e3b7a85ed9d6a16a528ceca94a2a0d 100644
--- a/net/quic/congestion_control/cubic_bytes_test.cc
+++ b/net/quic/congestion_control/cubic_bytes_test.cc
@@ -5,7 +5,6 @@
 #include "net/quic/congestion_control/cubic_bytes.h"
 
 #include "base/logging.h"
-#include "net/quic/quic_connection_stats.h"
 #include "net/quic/test_tools/mock_clock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -75,41 +74,6 @@ TEST_F(CubicBytesTest, AboveOrigin) {
   EXPECT_EQ(expected_cwnd, current_cwnd / kDefaultTCPMSS);
 }
 
-TEST_F(CubicBytesTest, CwndIncreaseStatsDuringConvexRegion) {
-  const QuicTime::Delta rtt_min = hundred_ms_;
-  QuicByteCount current_cwnd = 10 * kDefaultTCPMSS;
-  QuicByteCount expected_cwnd = current_cwnd + kDefaultTCPMSS;
-  // Initialize controller state.
-  clock_.AdvanceTime(one_ms_);
-  expected_cwnd =
-      cubic_.CongestionWindowAfterAck(kDefaultTCPMSS, current_cwnd, rtt_min);
-  current_cwnd = expected_cwnd;
-  // Testing Reno mode increase.
-  for (int i = 0; i < 48; ++i) {
-    for (QuicPacketCount n = 1;
-         n < current_cwnd / kDefaultTCPMSS / kNConnectionAlpha; ++n) {
-      // Call once per ACK, causing cwnd growth in Reno mode.
-      cubic_.CongestionWindowAfterAck(kDefaultTCPMSS, current_cwnd, rtt_min);
-    }
-    // Advance current time so that cwnd update is allowed to happen by Cubic.
-    clock_.AdvanceTime(hundred_ms_);
-    current_cwnd =
-        cubic_.CongestionWindowAfterAck(kDefaultTCPMSS, current_cwnd, rtt_min);
-    expected_cwnd += kDefaultTCPMSS;
-  }
-
-  // Testing Cubic mode increase.
-  for (int i = 0; i < 52; ++i) {
-    for (QuicPacketCount n = 1; n < current_cwnd / kDefaultTCPMSS; ++n) {
-      // Call once per ACK.
-      cubic_.CongestionWindowAfterAck(kDefaultTCPMSS, current_cwnd, rtt_min);
-    }
-    clock_.AdvanceTime(hundred_ms_);
-    current_cwnd =
-        cubic_.CongestionWindowAfterAck(kDefaultTCPMSS, current_cwnd, rtt_min);
-  }
-}
-
 TEST_F(CubicBytesTest, LossEvents) {
   const QuicTime::Delta rtt_min = hundred_ms_;
   QuicByteCount current_cwnd = 422 * kDefaultTCPMSS;