Some NetworkLoadMetrics information is missing in Curl port. Additionally, the value that should always be set is only set when captureExtraMetrics is enabled.
Pull request: https://github.com/WebKit/WebKit/pull/5892
Committed 256133@main (d65c8d10ac7f): <https://commits.webkit.org/256133@main> Reviewed commits have been landed. Closing PR #5892 and removing active labels.
<rdar://problem/101711569>