Add probe logging to RtcEventLog.

webrtc/logging/rtc_event_log/mock/mock_rtc_event_log.h

 /*
  *  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 28 matching lines @@
 
   MOCK_METHOD1(LogAudioSendStreamConfig,
                void(const webrtc::AudioSendStream::Config& config));
 
   MOCK_METHOD4(LogRtpHeader,
                void(PacketDirection direction,
                     MediaType media_type,
                     const uint8_t* header,
                     size_t packet_length));
 
+  MOCK_METHOD5(LogRtpHeader,
+               void(PacketDirection direction,
+                    MediaType media_type,
+                    const uint8_t* header,
+                    size_t packet_length,
+                    int probe_cluster_id));
+
   MOCK_METHOD4(LogRtcpPacket,
                void(PacketDirection direction,
                     MediaType media_type,
                     const uint8_t* packet,
                     size_t length));
 
   MOCK_METHOD1(LogAudioPlayout, void(uint32_t ssrc));
 
   MOCK_METHOD3(LogBwePacketLossEvent,
                void(int32_t bitrate,
                     uint8_t fraction_loss,
                     int32_t total_packets));
   MOCK_METHOD1(LogAudioNetworkAdaptation,
                void(const AudioNetworkAdaptor::EncoderRuntimeConfig& config));
+
+  MOCK_METHOD4(LogProbeClusterCreated,
+               void(int id, int bitrate_bps, int min_probes, int min_bytes));
+
+  MOCK_METHOD2(LogProbeResultSuccess, void(int id, int bitrate_bps));
+  MOCK_METHOD2(LogProbeResultFailure,
+               void(int id, ProbeFailureReason failure_reason));
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_LOGGING_RTC_EVENT_LOG_MOCK_MOCK_RTC_EVENT_LOG_H_