PCM currently doesn't set a user-agent, so it will use the default CFNetwork generated user-agent on cocoa platforms. We should change this so that PCM uses the standard user agent.
<rdar://problem/105107326>
Pull request: https://github.com/WebKit/WebKit/pull/9727
Committed 263874@main (46931f3ae6ba): <https://commits.webkit.org/263874@main> Reviewed commits have been landed. Closing PR #9727 and removing active labels.