Auto merge of #9159 - saneyuki:9158, r=jdm
Auto merge of #9159 - saneyuki:9158, r=jdm

gfx: handle the ResponseAction::ResponseComplete error case in font_cache_task

Fix #9158

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