Move BWE period calculation from ProbingIntervalEstimator to AimdRateControl.

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 112 matching lines @@
     clock_.AdvanceTimeMilliseconds(2);
     send_time_ms += 1;
     now_ms = clock_.TimeInMilliseconds();
     IncomingFeedback(now_ms, send_time_ms, seq_num++, 1000, kPacingInfo1);
   }
 
   EXPECT_TRUE(bitrate_observer_.updated());
   EXPECT_NEAR(bitrate_observer_.latest_bitrate(), 4000000u, 10000u);
 }
 
-TEST_F(DelayBasedBweTest, GetProbingInterval) {
-  int64_t default_interval_ms = bitrate_estimator_->GetProbingIntervalMs();
+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_->GetProbingIntervalMs();
+  int64_t interval_ms = bitrate_estimator_->GetExpectedBwePeriodMs();
   EXPECT_GT(interval_ms, 0);
   EXPECT_NE(interval_ms, default_interval_ms);
 }
 
 TEST_F(DelayBasedBweTest, InitialBehavior) {
   InitialBehaviorTestHelper(674840);
 }
 
 TEST_F(DelayBasedBweTest, RateIncreaseReordering) {
   RateIncreaseReorderingTestHelper(674840);
@@ skipping 30 matching lines @@
 
 TEST_F(DelayBasedBweTest, TestLongTimeoutAndWrap) {
   // Simulate a client leaving and rejoining the call after some multiple of
   // 64 seconds later. This will cause a zero difference in abs send times due
   // to the wrap, but a big difference in arrival time, if streams aren't
   // properly timed out.
   TestWrappingHelper(10 * 64);
 }
 
 }  // namespace webrtc