Convert a debug assertion in WebPageProxy::setColorPickerColor() to MESSAGE_CHECK, which will do the right thing in Release builds, too.
<rdar://problem/58632672>
Created attachment 403932 [details] Patch
Committed r264224: <https://trac.webkit.org/changeset/264224> All reviewed patches have been landed. Closing bug and clearing flags on attachment 403932 [details].