Fix for broken test BweFeedbackTest.

webrtc/modules/remote_bitrate_estimator/test/estimators/send_side.cc

 /*
  *  Copyright (c) 2015 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 57 matching lines @@
         last_log_time_ms_ = now_ms;
       }
     }
   }
 
   int64_t rtt_ms =
       clock_->TimeInMilliseconds() - feedback.latest_send_time_ms();
   bwe_->OnRttUpdate(rtt_ms, rtt_ms);
   BWE_TEST_LOGGING_PLOT(1, "RTT", clock_->TimeInMilliseconds(), rtt_ms);
 
+  std::sort(packet_feedback_vector.begin(), packet_feedback_vector.end(),
+            PacketFeedbackComparator());
   acknowledged_bitrate_estimator_->IncomingPacketFeedbackVector(
       packet_feedback_vector);
   DelayBasedBwe::Result result = bwe_->IncomingPacketFeedbackVector(
       packet_feedback_vector, acknowledged_bitrate_estimator_->bitrate_bps());
   if (result.updated)
     bitrate_controller_->OnDelayBasedBweResult(result);
 
   if (has_received_ack_) {
     int expected_packets = fb.packet_feedback_vector().back().sequence_number -
                            last_acked_seq_num_;
@@ skipping 79 matching lines @@
       packet_feedback_vector_.back().arrival_time_ms;
   FeedbackPacket* fb = new SendSideBweFeedback(
       flow_id_, now_ms * 1000, corrected_send_time_ms, packet_feedback_vector_);
   packet_feedback_vector_.clear();
   return fb;
 }
 
 }  // namespace bwe
 }  // namespace testing
 }  // namespace webrtc