style: Make a Servo-only assertion apply to Gecko too.
style: Make a Servo-only assertion apply to Gecko too.

MozReview-Commit-ID: CWhSfDQ8naE

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