Pass time constant to bwe smoothing filter.

webrtc/modules/congestion_controller/probing_interval_estimator_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 31 matching lines @@
 TEST(ProbingIntervalEstimatorTest, NoIntervalUntillWeHaveDrop) {
   auto states = CreateProbingIntervalEstimatorStates();
 
   EXPECT_CALL(*states.aimd_rate_control, GetLastBitrateDecreaseBps())
       .WillOnce(Return(rtc::Optional<int>()))
       .WillOnce(Return(rtc::Optional<int>(5000)));
   EXPECT_CALL(*states.aimd_rate_control, GetNearMaxIncreaseRateBps())
       .WillOnce(Return(4000))
       .WillOnce(Return(4000));
 
-  EXPECT_EQ(rtc::Optional<int>(),
+  EXPECT_EQ(rtc::Optional<int64_t>(),
             states.probing_interval_estimator->GetIntervalMs());
-  EXPECT_NE(rtc::Optional<int>(),
+  EXPECT_NE(rtc::Optional<int64_t>(),
             states.probing_interval_estimator->GetIntervalMs());
 }
 
 TEST(ProbingIntervalEstimatorTest, CalcInterval) {
   auto states = CreateProbingIntervalEstimatorStates();
   EXPECT_CALL(*states.aimd_rate_control, GetLastBitrateDecreaseBps())
       .WillOnce(Return(rtc::Optional<int>(20000)));
   EXPECT_CALL(*states.aimd_rate_control, GetNearMaxIncreaseRateBps())
       .WillOnce(Return(5000));
-  EXPECT_EQ(rtc::Optional<int>(4000),
+  EXPECT_EQ(rtc::Optional<int64_t>(4000),
             states.probing_interval_estimator->GetIntervalMs());
 }
 
 TEST(ProbingIntervalEstimatorTest, IntervalDoesNotExceedMin) {
   auto states = CreateProbingIntervalEstimatorStates();
   EXPECT_CALL(*states.aimd_rate_control, GetLastBitrateDecreaseBps())
       .WillOnce(Return(rtc::Optional<int>(1000)));
   EXPECT_CALL(*states.aimd_rate_control, GetNearMaxIncreaseRateBps())
       .WillOnce(Return(5000));
-  EXPECT_EQ(rtc::Optional<int>(kMinIntervalMs),
+  EXPECT_EQ(rtc::Optional<int64_t>(kMinIntervalMs),
             states.probing_interval_estimator->GetIntervalMs());
 }
 
 TEST(ProbingIntervalEstimatorTest, IntervalDoesNotExceedMax) {
   auto states = CreateProbingIntervalEstimatorStates();
   EXPECT_CALL(*states.aimd_rate_control, GetLastBitrateDecreaseBps())
       .WillOnce(Return(rtc::Optional<int>(50000)));
   EXPECT_CALL(*states.aimd_rate_control, GetNearMaxIncreaseRateBps())
       .WillOnce(Return(100));
-  EXPECT_EQ(rtc::Optional<int>(kMaxIntervalMs),
+  EXPECT_EQ(rtc::Optional<int64_t>(kMaxIntervalMs),
             states.probing_interval_estimator->GetIntervalMs());
 }
 }  // namespace webrtc