Add the internals of RtcEvent's subclasses

webrtc/logging/rtc_event_log/events/rtc_event_video_send_stream_config.cc

Index: webrtc/logging/rtc_event_log/events/rtc_event_video_send_stream_config.cc
diff --git a/webrtc/logging/rtc_event_log/events/rtc_event_video_send_stream_config.cc b/webrtc/logging/rtc_event_log/events/rtc_event_video_send_stream_config.cc
index f72e7de0667200a04dfb077e2ef8026d4dba5c35..ec9e594fcc4b1b3dce9dd7a46e9fc09a609c8d1a 100644
--- a/webrtc/logging/rtc_event_log/events/rtc_event_video_send_stream_config.cc
+++ b/webrtc/logging/rtc_event_log/events/rtc_event_video_send_stream_config.cc
@@ -10,8 +10,18 @@
 
 #include "webrtc/logging/rtc_event_log/events/rtc_event_video_send_stream_config.h"
 
+#include <utility>
+
+#include "webrtc/logging/rtc_event_log/rtc_stream_config.h"
+
 namespace webrtc {
 
+RtcEventVideoSendStreamConfig::RtcEventVideoSendStreamConfig(
+    std::unique_ptr<rtclog::StreamConfig> config)
+    : config_(std::move(config)) {}
+
+RtcEventVideoSendStreamConfig::~RtcEventVideoSendStreamConfig() = default;
+
 RtcEvent::Type RtcEventVideoSendStreamConfig::GetType() const {
   return RtcEvent::Type::VideoSendStreamConfig;
 }