style: Minimal ParserContext cleanup.
style: Minimal ParserContext cleanup.

MozReview-Commit-ID: I1Qgy1W7azU

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