Add the internals of RtcEvent's subclasses

webrtc/logging/rtc_event_log/events/rtc_event_rtp_header_incoming.cc

Index: webrtc/logging/rtc_event_log/events/rtc_event_rtp_header_incoming.cc
diff --git a/webrtc/logging/rtc_event_log/events/rtc_event_rtp_header_incoming.cc b/webrtc/logging/rtc_event_log/events/rtc_event_rtp_header_incoming.cc
index e6adc3829293128a0c2c0b7a59ba7608b59495e2..bb1118a474479ad9fbb0868c90eeb51c1c8fe788 100644
--- a/webrtc/logging/rtc_event_log/events/rtc_event_rtp_header_incoming.cc
+++ b/webrtc/logging/rtc_event_log/events/rtc_event_rtp_header_incoming.cc
@@ -10,8 +10,18 @@
 
 #include "webrtc/logging/rtc_event_log/events/rtc_event_rtp_header_incoming.h"
 
+#include <utility>
+
+#include "webrtc/modules/rtp_rtcp/source/rtp_packet_received.h"
+
 namespace webrtc {
 
+RtcEventRtpHeaderIncoming::RtcEventRtpHeaderIncoming(
+    std::unique_ptr<RtpPacketReceived> packet)
+    : packet_(std::move(packet)) {}
+
+RtcEventRtpHeaderIncoming::~RtcEventRtpHeaderIncoming() = default;
+
 RtcEvent::Type RtcEventRtpHeaderIncoming::GetType() const {
   return RtcEvent::Type::RtpHeaderIncoming;
 }