Add the internals of RtcEvent's subclasses

webrtc/logging/rtc_event_log/events/rtc_event_video_receive_stream_config.cc

Index: webrtc/logging/rtc_event_log/events/rtc_event_video_receive_stream_config.cc
diff --git a/webrtc/logging/rtc_event_log/events/rtc_event_video_receive_stream_config.cc b/webrtc/logging/rtc_event_log/events/rtc_event_video_receive_stream_config.cc
index e8daa138a93b7f12fdaede652cb8d7dfe118b1d4..a8592b17cc57bd968ecb530d5acbde8fda40878c 100644
--- a/webrtc/logging/rtc_event_log/events/rtc_event_video_receive_stream_config.cc
+++ b/webrtc/logging/rtc_event_log/events/rtc_event_video_receive_stream_config.cc
@@ -10,8 +10,18 @@
 
 #include "webrtc/logging/rtc_event_log/events/rtc_event_video_receive_stream_config.h"
 
+#include <utility>
+
+#include "webrtc/logging/rtc_event_log/rtc_stream_config.h"
+
 namespace webrtc {
 
+RtcEventVideoReceiveStreamConfig::RtcEventVideoReceiveStreamConfig(
+    std::unique_ptr<rtclog::StreamConfig> config)
+    : config_(std::move(config)) {}
+
+RtcEventVideoReceiveStreamConfig::~RtcEventVideoReceiveStreamConfig() = default;
+
 RtcEvent::Type RtcEventVideoReceiveStreamConfig::GetType() const {
   return Type::VideoReceiveStreamConfig;
 }