[Win][MiniBrowser] Move WK1 related code into MiniBrowser
This is a sub task of Bug 184770.
All WK1 related code should be moved into MiniBrowser.
Created attachment 340163 [details]
Comment on attachment 340163 [details]
Clearing flags on attachment: 340163
Committed r231707: <https://trac.webkit.org/changeset/231707>
All reviewed patches have been landed. Closing bug.