Remove GetFeedbackInterval in sender side BWE.

webrtc/modules/congestion_controller/delay_based_bwe_unittest.cc

Index: webrtc/modules/congestion_controller/delay_based_bwe_unittest.cc
diff --git a/webrtc/modules/congestion_controller/delay_based_bwe_unittest.cc b/webrtc/modules/congestion_controller/delay_based_bwe_unittest.cc
index fae4656988ae387207c29f58cd7f11acdd0743dc..dcec0f8000eca124b0acc066c40ac7278d30a0c1 100644
--- a/webrtc/modules/congestion_controller/delay_based_bwe_unittest.cc
+++ b/webrtc/modules/congestion_controller/delay_based_bwe_unittest.cc
@@ -140,18 +140,18 @@ TEST_F(DelayBasedBweTest, GetExpectedBwePeriodMs) {
 }
 
 TEST_F(DelayBasedBweTest, InitialBehavior) {
-  InitialBehaviorTestHelper(674840);
+  InitialBehaviorTestHelper(730000);
 }
 
 TEST_F(DelayBasedBweTest, RateIncreaseReordering) {
-  RateIncreaseReorderingTestHelper(674840);
+  RateIncreaseReorderingTestHelper(730000);
 }
 TEST_F(DelayBasedBweTest, RateIncreaseRtpTimestamps) {
-  RateIncreaseRtpTimestampsTestHelper(1288);
+  RateIncreaseRtpTimestampsTestHelper(627);
 }
 
 TEST_F(DelayBasedBweTest, CapacityDropOneStream) {
-  CapacityDropTestHelper(1, false, 333, 0);
+  CapacityDropTestHelper(1, false, 300, 0);
 }
 
 TEST_F(DelayBasedBweTest, CapacityDropPosOffsetChange) {
@@ -159,12 +159,13 @@ TEST_F(DelayBasedBweTest, CapacityDropPosOffsetChange) {
 }
 
 TEST_F(DelayBasedBweTest, CapacityDropNegOffsetChange) {
-  CapacityDropTestHelper(1, false, 867, -30000);
+  CapacityDropTestHelper(1, false, 933, -30000);
 }
 
 TEST_F(DelayBasedBweTest, CapacityDropOneStreamWrap) {
   CapacityDropTestHelper(1, true, 333, 0);
 }
+
 TEST_F(DelayBasedBweTest, TestTimestampGrouping) {
   TestTimestampGroupingTestHelper();
 }