Revert of Enable the bayesian bitrate estimator by default.

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 f00602fa1ba0b2eda5a39c1bda7572d63575ffc1..559179e5180936e57c208be550273439a8d15c5b 100644
--- a/webrtc/modules/congestion_controller/delay_based_bwe_unittest.cc
+++ b/webrtc/modules/congestion_controller/delay_based_bwe_unittest.cc
@@ -119,7 +119,7 @@
 TEST_F(DelayBasedBweTest, GetProbingInterval) {
   int64_t default_interval_ms = bitrate_estimator_->GetProbingIntervalMs();
   EXPECT_GT(default_interval_ms, 0);
-  CapacityDropTestHelper(1, true, 333, 0);
+  CapacityDropTestHelper(1, true, 567, 0);
   int64_t interval_ms = bitrate_estimator_->GetProbingIntervalMs();
   EXPECT_GT(interval_ms, 0);
   EXPECT_NE(interval_ms, default_interval_ms);
@@ -134,23 +134,23 @@
 }
 
 TEST_F(DelayBasedBweTest, RateIncreaseRtpTimestamps) {
-  RateIncreaseRtpTimestampsTestHelper(1288);
+  RateIncreaseRtpTimestampsTestHelper(1240);
 }
 
 TEST_F(DelayBasedBweTest, CapacityDropOneStream) {
-  CapacityDropTestHelper(1, false, 333, 0);
+  CapacityDropTestHelper(1, false, 567, 0);
 }
 
 TEST_F(DelayBasedBweTest, CapacityDropPosOffsetChange) {
-  CapacityDropTestHelper(1, false, 300, 30000);
+  CapacityDropTestHelper(1, false, 200, 30000);
 }
 
 TEST_F(DelayBasedBweTest, CapacityDropNegOffsetChange) {
-  CapacityDropTestHelper(1, false, 300, -30000);
+  CapacityDropTestHelper(1, false, 733, -30000);
 }
 
 TEST_F(DelayBasedBweTest, CapacityDropOneStreamWrap) {
-  CapacityDropTestHelper(1, true, 333, 0);
+  CapacityDropTestHelper(1, true, 567, 0);
 }
 
 TEST_F(DelayBasedBweTest, TestTimestampGrouping) {
@@ -172,6 +172,37 @@
   TestWrappingHelper(10 * 64);
 }
 
+class DelayBasedBweExperimentTest : public DelayBasedBweTest {
+ public:
+  DelayBasedBweExperimentTest()
+      : override_field_trials_("WebRTC-ImprovedBitrateEstimate/Enabled/") {
+    bitrate_estimator_.reset(new DelayBasedBwe(nullptr, &clock_));
+  }
+
+ private:
+  test::ScopedFieldTrials override_field_trials_;
+};
+
+TEST_F(DelayBasedBweExperimentTest, RateIncreaseRtpTimestamps) {
+  RateIncreaseRtpTimestampsTestHelper(1288);
+}
+
+TEST_F(DelayBasedBweExperimentTest, CapacityDropOneStream) {
+  CapacityDropTestHelper(1, false, 333, 0);
+}
+
+TEST_F(DelayBasedBweExperimentTest, CapacityDropPosOffsetChange) {
+  CapacityDropTestHelper(1, false, 300, 30000);
+}
+
+TEST_F(DelayBasedBweExperimentTest, CapacityDropNegOffsetChange) {
+  CapacityDropTestHelper(1, false, 300, -30000);
+}
+
+TEST_F(DelayBasedBweExperimentTest, CapacityDropOneStreamWrap) {
+  CapacityDropTestHelper(1, true, 333, 0);
+}
+
 class DelayBasedBweTrendlineExperimentTest : public DelayBasedBweTest {
  public:
   DelayBasedBweTrendlineExperimentTest()
@@ -184,11 +215,11 @@
 };
 
 TEST_F(DelayBasedBweTrendlineExperimentTest, RateIncreaseRtpTimestamps) {
-  RateIncreaseRtpTimestampsTestHelper(1288);
+  RateIncreaseRtpTimestampsTestHelper(1240);
 }
 
 TEST_F(DelayBasedBweTrendlineExperimentTest, CapacityDropOneStream) {
-  CapacityDropTestHelper(1, false, 433, 0);
+  CapacityDropTestHelper(1, false, 600, 0);
 }
 
 TEST_F(DelayBasedBweTrendlineExperimentTest, CapacityDropPosOffsetChange) {
@@ -196,11 +227,11 @@
 }
 
 TEST_F(DelayBasedBweTrendlineExperimentTest, CapacityDropNegOffsetChange) {
-  CapacityDropTestHelper(1, false, 767, -30000);
+  CapacityDropTestHelper(1, false, 1267, -30000);
 }
 
 TEST_F(DelayBasedBweTrendlineExperimentTest, CapacityDropOneStreamWrap) {
-  CapacityDropTestHelper(1, true, 433, 0);
+  CapacityDropTestHelper(1, true, 600, 0);
 }
 
 class DelayBasedBweMedianSlopeExperimentTest : public DelayBasedBweTest {
@@ -215,11 +246,11 @@
 };
 
 TEST_F(DelayBasedBweMedianSlopeExperimentTest, RateIncreaseRtpTimestamps) {
-  RateIncreaseRtpTimestampsTestHelper(1288);
+  RateIncreaseRtpTimestampsTestHelper(1240);
 }
 
 TEST_F(DelayBasedBweMedianSlopeExperimentTest, CapacityDropOneStream) {
-  CapacityDropTestHelper(1, false, 367, 0);
+  CapacityDropTestHelper(1, false, 600, 0);
 }
 
 TEST_F(DelayBasedBweMedianSlopeExperimentTest, CapacityDropPosOffsetChange) {
@@ -227,11 +258,11 @@
 }
 
 TEST_F(DelayBasedBweMedianSlopeExperimentTest, CapacityDropNegOffsetChange) {
-  CapacityDropTestHelper(1, false, 767, -30000);
+  CapacityDropTestHelper(1, false, 1267, -30000);
 }
 
 TEST_F(DelayBasedBweMedianSlopeExperimentTest, CapacityDropOneStreamWrap) {
-  CapacityDropTestHelper(1, true, 367, 0);
+  CapacityDropTestHelper(1, true, 600, 0);
 }
 
 }  // namespace webrtc