MiniBrowser on Mac lets you set the default URL to open when launching the app. MobileMiniBrowser should have this setting too.
<rdar://problem/101575186>
Pull request: https://github.com/WebKit/WebKit/pull/5798
Committed 256016@main (a2520003c572): <https://commits.webkit.org/256016@main> Reviewed commits have been landed. Closing PR #5798 and removing active labels.