style: Convert matches_hover_and_active_quirk to an enum.
style: Convert matches_hover_and_active_quirk to an enum.

This is in preparation of a bit of refactoring in selectors too.

jimberlage/servo,anthgur/servo,paulrouget/servo,canaltinova/servo,nnethercote/servo,saneyuki/servo,cbrewster/servo,canaltinova/servo,splav/servo,sadmansk/servo,mbrubeck/servo,fiji-flo/servo,cbrewster/servo,splav/servo,larsbergstrom/servo,emilio/servo,SimonSapin/servo,mbrubeck/servo,DominoTree/servo,notriddle/servo,mattnenterprise/servo,KiChjang/servo,fiji-flo/servo,saneyuki/servo,cbrewster/servo,jimberlage/servo,canaltinova/servo,splav/servo,avadacatavra/servo,peterjoel/servo,thiagopnts/servo,dati91/servo,KiChjang/servo,mbrubeck/servo,jimberlage/servo,larsbergstrom/servo,notriddle/servo,pyfisch/servo,mattnenterprise/servo,SimonSapin/servo,ConnorGBrewster/servo,sadmansk/servo,szeged/servo,mattnenterprise/servo,DominoTree/servo,ConnorGBrewster/servo,peterjoel/servo,DominoTree/servo,pyfisch/servo,DominoTree/servo,notriddle/servo,ConnorGBrewster/servo,DominoTree/servo,KiChjang/servo,notriddle/servo,szeged/servo,jimberlage/servo,peterjoel/servo,larsbergstrom/servo,upsuper/servo,paulrouget/servo,anthgur/servo,KiChjang/servo,paulrouget/servo,emilio/servo,thiagopnts/servo,splav/servo,pyfisch/servo,upsuper/servo,cbrewster/servo,dati91/servo,saneyuki/servo,SimonSapin/servo,canaltinova/servo,KiChjang/servo,cbrewster/servo,dati91/servo,avadacatavra/servo,fiji-flo/servo,nnethercote/servo,jimberlage/servo,emilio/servo,mbrubeck/servo,mbrubeck/servo,DominoTree/servo,szeged/servo,paulrouget/servo,paulrouget/servo,sadmansk/servo,thiagopnts/servo,anthgur/servo,szeged/servo,szeged/servo,larsbergstrom/servo,paulrouget/servo,KiChjang/servo,anthgur/servo,fiji-flo/servo,emilio/servo,DominoTree/servo,sadmansk/servo,KiChjang/servo,avadacatavra/servo,emilio/servo,szeged/servo,notriddle/servo,nnethercote/servo,canaltinova/servo,notriddle/servo,splav/servo,splav/servo,paulrouget/servo,pyfisch/servo,notriddle/servo,nnethercote/servo,mattnenterprise/servo,paulrouget/servo,larsbergstrom/servo,canaltinova/servo,cbrewster/servo,larsbergstrom/servo,canaltinova/servo,saneyuki/servo,avadacatavra/servo,mattnenterprise/servo,emilio/servo,thiagopnts/servo,pyfisch/servo,ConnorGBrewster/servo,ConnorGBrewster/servo,peterjoel/servo,cbrewster/servo,notriddle/servo,splav/servo,peterjoel/servo,szeged/servo,notriddle/servo,ConnorGBrewster/servo,anthgur/servo,dati91/servo,paulrouget/servo,ConnorGBrewster/servo,anthgur/servo,nnethercote/servo,SimonSapin/servo,larsbergstrom/servo,SimonSapin/servo,KiChjang/servo,pyfisch/servo,avadacatavra/servo,avadacatavra/servo,emilio/servo,peterjoel/servo,cbrewster/servo,saneyuki/servo,szeged/servo,upsuper/servo,sadmansk/servo,jimberlage/servo,splav/servo,KiChjang/servo,pyfisch/servo,fiji-flo/servo,fiji-flo/servo,larsbergstrom/servo,jimberlage/servo,dati91/servo,splav/servo,szeged/servo,thiagopnts/servo,peterjoel/servo,splav/servo,DominoTree/servo,DominoTree/servo,upsuper/servo,canaltinova/servo,thiagopnts/servo,jimberlage/servo,pyfisch/servo,nnethercote/servo,emilio/servo,nnethercote/servo,mattnenterprise/servo,nnethercote/servo,pyfisch/servo,sadmansk/servo,dati91/servo,upsuper/servo,saneyuki/servo,nnethercote/servo,anthgur/servo,thiagopnts/servo,SimonSapin/servo,upsuper/servo,SimonSapin/servo,ConnorGBrewster/servo,DominoTree/servo,fiji-flo/servo,upsuper/servo,KiChjang/servo,pyfisch/servo,avadacatavra/servo,peterjoel/servo,anthgur/servo,fiji-flo/servo,mbrubeck/servo,thiagopnts/servo,mattnenterprise/servo,sadmansk/servo,dati91/servo,emilio/servo,jimberlage/servo,upsuper/servo,mbrubeck/servo,szeged/servo,mattnenterprise/servo,peterjoel/servo,mbrubeck/servo,larsbergstrom/servo,sadmansk/servo,nnethercote/servo,notriddle/servo,SimonSapin/servo,saneyuki/servo,emilio/servo,dati91/servo,avadacatavra/servo,peterjoel/servo,saneyuki/servo,paulrouget/servo,saneyuki/servo,saneyuki/servo,larsbergstrom/servo