Add the internals of RtcEvent's subclasses

webrtc/logging/rtc_event_log/events/rtc_event_bwe_update_loss_based.h

Index: webrtc/logging/rtc_event_log/events/rtc_event_bwe_update_loss_based.h
diff --git a/webrtc/logging/rtc_event_log/events/rtc_event_bwe_update_loss_based.h b/webrtc/logging/rtc_event_log/events/rtc_event_bwe_update_loss_based.h
index 32f341fd2ea77c779262f6a96503c31dee2390d7..7b8dac0f90dffa9f7268f0f33d0852ee78a5818c 100644
--- a/webrtc/logging/rtc_event_log/events/rtc_event_bwe_update_loss_based.h
+++ b/webrtc/logging/rtc_event_log/events/rtc_event_bwe_update_loss_based.h
@@ -12,14 +12,22 @@
 #define WEBRTC_LOGGING_RTC_EVENT_LOG_EVENTS_RTC_EVENT_BWE_UPDATE_LOSS_BASED_H_
 
 #include "webrtc/logging/rtc_event_log/events/rtc_event.h"
+#include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 class RtcEventBweUpdateLossBased final : public RtcEvent {
  public:
-  ~RtcEventBweUpdateLossBased() override = default;
+  RtcEventBweUpdateLossBased(int32_t bitrate_bps_,
+                             uint8_t fraction_loss_,
+                             int32_t total_packets_);
+  ~RtcEventBweUpdateLossBased() override;
 
   Type GetType() const override;
+
+  const int32_t bitrate_bps_;
+  const uint8_t fraction_loss_;
+  const int32_t total_packets_;
 };
 
 }  // namespace webrtc