Bug 1372488 - Make counter style 'disc' not overridable.
Bug 1372488 - Make counter style 'disc' not overridable.

KiChjang/servo,saneyuki/servo,emilio/servo,rnestler/servo,fiji-flo/servo,szeged/servo,cbrewster/servo,jimberlage/servo,KiChjang/servo,CJ8664/servo,SimonSapin/servo,SimonSapin/servo,nnethercote/servo,saneyuki/servo,larsbergstrom/servo,CJ8664/servo,peterjoel/servo,saneyuki/servo,eddyb/servo,canaltinova/servo,DominoTree/servo,KiChjang/servo,larsbergstrom/servo,upsuper/servo,szeged/servo,szeged/servo,rnestler/servo,dsandeephegde/servo,anthgur/servo,rnestler/servo,thiagopnts/servo,KiChjang/servo,pyfisch/servo,ConnorGBrewster/servo,saneyuki/servo,mattnenterprise/servo,paulrouget/servo,pyfisch/servo,szeged/servo,nnethercote/servo,larsbergstrom/servo,nnethercote/servo,rnestler/servo,upsuper/servo,emilio/servo,DominoTree/servo,jimberlage/servo,nnethercote/servo,cbrewster/servo,mbrubeck/servo,jimberlage/servo,anthgur/servo,szeged/servo,peterjoel/servo,dati91/servo,larsbergstrom/servo,sadmansk/servo,jimberlage/servo,paulrouget/servo,notriddle/servo,eddyb/servo,peterjoel/servo,paulrouget/servo,nnethercote/servo,dati91/servo,thiagopnts/servo,sadmansk/servo,eddyb/servo,upsuper/servo,peterjoel/servo,dsandeephegde/servo,dsandeephegde/servo,nnethercote/servo,jimberlage/servo,jimberlage/servo,SimonSapin/servo,splav/servo,thiagopnts/servo,DominoTree/servo,larsbergstrom/servo,avadacatavra/servo,larsbergstrom/servo,saneyuki/servo,nnethercote/servo,eddyb/servo,nnethercote/servo,KiChjang/servo,emilio/servo,notriddle/servo,dsandeephegde/servo,mbrubeck/servo,anthgur/servo,dati91/servo,nnethercote/servo,emilio/servo,mattnenterprise/servo,sadmansk/servo,fiji-flo/servo,thiagopnts/servo,KiChjang/servo,rnestler/servo,SimonSapin/servo,DominoTree/servo,cbrewster/servo,saneyuki/servo,avadacatavra/servo,ConnorGBrewster/servo,CJ8664/servo,sadmansk/servo,avadacatavra/servo,pyfisch/servo,splav/servo,larsbergstrom/servo,anthgur/servo,peterjoel/servo,canaltinova/servo,larsbergstrom/servo,DominoTree/servo,canaltinova/servo,fiji-flo/servo,rnestler/servo,szeged/servo,CJ8664/servo,SimonSapin/servo,mattnenterprise/servo,dati91/servo,peterjoel/servo,fiji-flo/servo,sadmansk/servo,mbrubeck/servo,notriddle/servo,eddyb/servo,ConnorGBrewster/servo,notriddle/servo,rnestler/servo,paulrouget/servo,DominoTree/servo,ConnorGBrewster/servo,fiji-flo/servo,emilio/servo,CJ8664/servo,DominoTree/servo,splav/servo,splav/servo,nnethercote/servo,jimberlage/servo,DominoTree/servo,dati91/servo,pyfisch/servo,paulrouget/servo,paulrouget/servo,splav/servo,avadacatavra/servo,mattnenterprise/servo,pyfisch/servo,dati91/servo,emilio/servo,eddyb/servo,ConnorGBrewster/servo,mbrubeck/servo,dati91/servo,fiji-flo/servo,avadacatavra/servo,emilio/servo,dati91/servo,notriddle/servo,cbrewster/servo,notriddle/servo,rnestler/servo,thiagopnts/servo,cbrewster/servo,pyfisch/servo,dsandeephegde/servo,emilio/servo,larsbergstrom/servo,anthgur/servo,eddyb/servo,pyfisch/servo,szeged/servo,KiChjang/servo,CJ8664/servo,CJ8664/servo,canaltinova/servo,szeged/servo,splav/servo,sadmansk/servo,jimberlage/servo,peterjoel/servo,thiagopnts/servo,canaltinova/servo,splav/servo,emilio/servo,fiji-flo/servo,cbrewster/servo,splav/servo,emilio/servo,upsuper/servo,pyfisch/servo,paulrouget/servo,saneyuki/servo,notriddle/servo,eddyb/servo,avadacatavra/servo,saneyuki/servo,DominoTree/servo,mbrubeck/servo,cbrewster/servo,KiChjang/servo,splav/servo,larsbergstrom/servo,pyfisch/servo,paulrouget/servo,notriddle/servo,szeged/servo,upsuper/servo,mattnenterprise/servo,upsuper/servo,splav/servo,notriddle/servo,anthgur/servo,DominoTree/servo,SimonSapin/servo,thiagopnts/servo,mattnenterprise/servo,canaltinova/servo,paulrouget/servo,upsuper/servo,peterjoel/servo,KiChjang/servo,mattnenterprise/servo,anthgur/servo,SimonSapin/servo,sadmansk/servo,szeged/servo,thiagopnts/servo,mbrubeck/servo,mattnenterprise/servo,dsandeephegde/servo,jimberlage/servo,canaltinova/servo,avadacatavra/servo,sadmansk/servo,canaltinova/servo,ConnorGBrewster/servo,cbrewster/servo,peterjoel/servo,paulrouget/servo,ConnorGBrewster/servo,peterjoel/servo,dsandeephegde/servo,notriddle/servo,SimonSapin/servo,mbrubeck/servo,dsandeephegde/servo,saneyuki/servo,CJ8664/servo,saneyuki/servo,KiChjang/servo,upsuper/servo,anthgur/servo,ConnorGBrewster/servo,pyfisch/servo,avadacatavra/servo,fiji-flo/servo,mbrubeck/servo