Add interval estimator to remote bitrate estimator

webrtc/modules/congestion_controller/delay_based_bwe_unittest.cc

 /*
  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 111 matching lines @@
 
 TEST_F(DelayBasedBweTest, RateIncreaseReordering) {
   RateIncreaseReorderingTestHelper(674840);
 }
 
 TEST_F(DelayBasedBweTest, RateIncreaseRtpTimestamps) {
   RateIncreaseRtpTimestampsTestHelper(1240);
 }
 
 TEST_F(DelayBasedBweTest, CapacityDropOneStream) {
-  CapacityDropTestHelper(1, false, 633, 0);
+  CapacityDropTestHelper(1, false, 567, 0);
 }
 
 TEST_F(DelayBasedBweTest, CapacityDropPosOffsetChange) {
   CapacityDropTestHelper(1, false, 200, 30000);
 }
 
 TEST_F(DelayBasedBweTest, CapacityDropNegOffsetChange) {
   CapacityDropTestHelper(1, false, 733, -30000);
 }
 
 TEST_F(DelayBasedBweTest, CapacityDropOneStreamWrap) {
-  CapacityDropTestHelper(1, true, 633, 0);
+  CapacityDropTestHelper(1, true, 567, 0);
 }
 
 TEST_F(DelayBasedBweTest, TestTimestampGrouping) {
   TestTimestampGroupingTestHelper();
 }
 
 TEST_F(DelayBasedBweTest, TestShortTimeoutAndWrap) {
   // Simulate a client leaving and rejoining the call after 35 seconds. This
   // will make abs send time wrap, so if streams aren't timed out properly
   // the next 30 seconds of packets will be out of order.
@@ skipping 34 matching lines @@
 }
 
 TEST_F(DelayBasedBweExperimentTest, CapacityDropNegOffsetChange) {
   CapacityDropTestHelper(1, false, 300, -30000);
 }
 
 TEST_F(DelayBasedBweExperimentTest, CapacityDropOneStreamWrap) {
   CapacityDropTestHelper(1, true, 333, 0);
 }
 }  // namespace webrtc