Rollback of "Use small BWE period when there is a true network degradation"

modules/congestion_controller/delay_based_bwe_unittest.cc

Index: modules/congestion_controller/delay_based_bwe_unittest.cc
diff --git a/modules/congestion_controller/delay_based_bwe_unittest.cc b/modules/congestion_controller/delay_based_bwe_unittest.cc
index 311e8e8266e2119c2d294f16db2e96d7d5f437d4..765504459fe7db96cc8d6232f06f33e6e060281b 100644
--- a/modules/congestion_controller/delay_based_bwe_unittest.cc
+++ b/modules/congestion_controller/delay_based_bwe_unittest.cc
@@ -139,6 +139,15 @@ TEST_F(DelayBasedBweTest, ProbeDetectionSlowerArrivalHighBitrate) {
               kTargetUtilizationFraction * 4000000u, 10000u);
 }
 
+TEST_F(DelayBasedBweTest, GetExpectedBwePeriodMs) {
+  int64_t default_interval_ms = bitrate_estimator_->GetExpectedBwePeriodMs();
+  EXPECT_GT(default_interval_ms, 0);
+  CapacityDropTestHelper(1, true, 333, 0);
+  int64_t interval_ms = bitrate_estimator_->GetExpectedBwePeriodMs();
+  EXPECT_GT(interval_ms, 0);
+  EXPECT_NE(interval_ms, default_interval_ms);
+}
+
 TEST_F(DelayBasedBweTest, InitialBehavior) {
   InitialBehaviorTestHelper(730000);
 }