style: Refactor specified::Color parsing/computation functions.
style: Refactor specified::Color parsing/computation functions.

So they can be called without a context.

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