Revert of Enable the bayesian bitrate estimator by default.

webrtc/call/rampup_tests.cc

Index: webrtc/call/rampup_tests.cc
diff --git a/webrtc/call/rampup_tests.cc b/webrtc/call/rampup_tests.cc
index 0eb6b0fd8717264097c44c979ff743f764d407f9..292edc60836b4533d7ce5cb2c45fbee869821bd6 100644
--- a/webrtc/call/rampup_tests.cc
+++ b/webrtc/call/rampup_tests.cc
@@ -25,7 +25,6 @@
 static const int kExpectedHighAudioBitrateBps = 30000;
 static const int kLowBandwidthLimitBps = 20000;
 static const int kExpectedLowBitrateBps = 20000;
-static const int kUnlimitedCapacityBps = 10000000;
 
 std::vector<uint32_t> GenerateSsrcs(size_t num_streams, uint32_t ssrc_offset) {
   std::vector<uint32_t> ssrcs;
@@ -397,9 +396,8 @@
                    rtx,
                    red,
                    report_perf_stats),
-      link_rates_({GetExpectedHighBitrate() / 1000,
-                   kLowBandwidthLimitBps / 1000, kUnlimitedCapacityBps / 1000,
-                   0}),
+      link_rates_({GetHighLinkCapacity(), kLowBandwidthLimitBps / 1000,
+                   GetHighLinkCapacity(), 0}),
       test_state_(kFirstRampup),
       next_state_(kTransitionToNextState),
       state_start_ms_(clock_->TimeInMilliseconds()),
@@ -467,6 +465,10 @@
   if (num_video_streams_ > 0)
     expected_bitrate_bps += kExpectedHighVideoBitrateBps;
   return expected_bitrate_bps;
+}
+
+int RampUpDownUpTester::GetHighLinkCapacity() const {
+  return 4 * GetExpectedHighBitrate() / (3 * 1000);
 }
 
 size_t RampUpDownUpTester::GetFecBytes() const {