Reduce ProbeController::kDefaultMaxProbingBitrateBps to 10 Mbps.

webrtc/modules/congestion_controller/probe_controller.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 17 matching lines @@
 // Maximum waiting time from the time of initiating probing to getting
 // the measured results back.
 constexpr int64_t kMaxWaitingTimeForProbingResultMs = 1000;
 
 // Value of |min_bitrate_to_probe_further_bps_| that indicates
 // further probing is disabled.
 constexpr int kExponentialProbingDisabled = 0;
 
 // Default probing bitrate limit. Applied only when the application didn't
 // specify max bitrate.
-constexpr int kDefaultMaxProbingBitrateBps = 100000000;
+constexpr int kDefaultMaxProbingBitrateBps = 5000000;
 
 // This is a limit on how often probing can be done when there is a BW
 // drop detected in ALR.
 constexpr int64_t kAlrProbingIntervalMinMs = 5000;
 
 // Interval between probes when ALR periodic probing is enabled.
 constexpr int64_t kAlrPeriodicProbingIntervalMs = 5000;
 
 // Minimum probe bitrate percentage to probe further for repeated probes.
 constexpr int kRepeatedProbeMinPercentage = 125;
@@ skipping 170 matching lines @@
   }
   min_bitrate_to_probe_further_bps_ = min_bitrate_to_probe_further_bps;
   time_last_probing_initiated_ms_ = now_ms;
   if (min_bitrate_to_probe_further_bps == kExponentialProbingDisabled)
     state_ = State::kProbingComplete;
   else
     state_ = State::kWaitingForProbingResult;
 }
 
 }  // namespace webrtc