Added protobuf message for loss-based BWE events, and wired it up to the send side bandwidth estima…

webrtc/call/rtc_event_log.h

 /*
  *  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 59 matching lines @@
 
   // Logs an incoming or outgoing RTCP packet.
   virtual void LogRtcpPacket(bool incoming,
                              MediaType media_type,
                              const uint8_t* packet,
                              size_t length) = 0;
 
   // Logs an audio playout event
   virtual void LogAudioPlayout(uint32_t ssrc) = 0;
 
+  // Logs a bitrate update from the bandwidth estimator based on packet loss.
+  virtual void LogBwePacketLossEvent(int32_t bitrate,
+                                     uint8_t fraction_loss,
+                                     int32_t total_packets) = 0;
+
   // Reads an RtcEventLog file and returns true when reading was successful.
   // The result is stored in the given EventStream object.
   static bool ParseRtcEventLog(const std::string& file_name,
                                rtclog::EventStream* result);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_CALL_RTC_EVENT_LOG_H_