Log the event of HTTP/3 SETTINGS frame sent.

Change-Id: Ie2429ec802e315b76f4b4a45b2f57d7064664dc6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1838671Reviewed-by: Nick Harper <nharper@chromium.org>
Commit-Queue: Renjie Tang <renjietang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#702666}

net/log/net_log_event_type_list.h

@@ -3309,13 +3309,23 @@ EVENT_TYPE(COOKIE_INCLUSION_STATUS)
 // -----------------------------------------------------------------------------
 
 // Event emitted when peer created control stream type is received.
+// "stream_id": <The stream id of peer created control stream>
 EVENT_TYPE(HTTP3_PEER_CONTROL_STREAM_CREATED)
 
 // Event emitted when peer created QPACK encoder stream type is received.
+// "stream_id": <The stream id of the peer created QPACK encoder stream>
 EVENT_TYPE(HTTP3_PEER_QPACK_ENCODER_STREAM_CREATED)
 
 // Event emitted when peer created QPACK decoder stream type is received.
+// "stream_id": <The stream id of the peer created QPACK decoder stream>
 EVENT_TYPE(HTTP3_PEER_QPACK_DECODER_STREAM_CREATED)
 
 // Event emitted when SETTINGS frame is received.
+// A list of settings will be logged by
+// <setting identifier>: <setting value>
 EVENT_TYPE(HTTP3_SETTINGS_RECEIVED)
+
+// EVENT emitted when SETTINGS frame is sent.
+// A list of settings will be logged by
+// <setting identifier>: <setting value>
+EVENT_TYPE(HTTP3_SETTINGS_SENT)

net/quic/quic_http3_logger.cc

@@ -70,9 +70,11 @@ void QuicHttp3Logger::OnSettingsFrameReceived(
                     [&] { return NetLogSettingsParams(frame); });
 }
 
-void QuicHttp3Logger::OnSettingsFrameSent(
-    const quic::SettingsFrame& /*frame*/) {
-  // TODO(renjietang): handle this event.
+void QuicHttp3Logger::OnSettingsFrameSent(const quic::SettingsFrame& frame) {
+  if (!net_log_.IsCapturing())
+    return;
+  net_log_.AddEvent(NetLogEventType::HTTP3_SETTINGS_SENT,
+                    [&] { return NetLogSettingsParams(frame); });
 }
 
 }  // namespace net