Add the internals of RtcEvent's subclasses

webrtc/logging/rtc_event_log/events/rtc_event_audio_send_stream_config.cc

Index: webrtc/logging/rtc_event_log/events/rtc_event_audio_send_stream_config.cc
diff --git a/webrtc/logging/rtc_event_log/events/rtc_event_audio_send_stream_config.cc b/webrtc/logging/rtc_event_log/events/rtc_event_audio_send_stream_config.cc
index 62eb48f77e8d7e1c2daf2a640aca0955b5d9d884..2c68616ae52e9337fd8b5c087e1a026dc77b7e00 100644
--- a/webrtc/logging/rtc_event_log/events/rtc_event_audio_send_stream_config.cc
+++ b/webrtc/logging/rtc_event_log/events/rtc_event_audio_send_stream_config.cc
@@ -10,8 +10,18 @@
 
 #include "webrtc/logging/rtc_event_log/events/rtc_event_audio_send_stream_config.h"
 
+#include <utility>
+
+#include "webrtc/logging/rtc_event_log/rtc_stream_config.h"
+
 namespace webrtc {
 
+RtcEventAudioSendStreamConfig::RtcEventAudioSendStreamConfig(
+    std::unique_ptr<rtclog::StreamConfig> config)
+    : config_(std::move(config)) {}
+
+RtcEventAudioSendStreamConfig::~RtcEventAudioSendStreamConfig() = default;
+
 RtcEvent::Type RtcEventAudioSendStreamConfig::GetType() const {
   return RtcEvent::Type::AudioSendStreamConfig;
 }