fixes 6111: WebSocket close event shouldn't be Cancelable
fixes 6111: WebSocket close event shouldn't be Cancelable

caldwell/servo,notriddle/servo,dsandeephegde/servo,anthgur/servo,eddyb/servo,nerith/servo,boghison/servo,tschneidereit/servo,codemac/servo,saneyuki/servo,mt2d2/servo,brendandahl/servo,vks/servo,upsuper/servo,j3parker/servo,SimonSapin/servo,jdramani/servo,rentongzhang/servo,hyowon/servo,avadacatavra/servo,tafia/servo,brendandahl/servo,ryancanhelpyou/servo,saratang/servo,splav/servo,CJ8664/servo,notriddle/servo,rnestler/servo,hyowon/servo,zhangjunlei26/servo,splav/servo,aweinstock314/servo,szeged/servo,dhananjay92/servo,thiagopnts/servo,upsuper/servo,caldwell/servo,huonw/servo,RenaudParis/servo,RenaudParis/servo,AnthonyBroadCrawford/servo,GyrosOfWar/servo,canaltinova/servo,mdibaiee/servo,KiChjang/servo,eddyb/servo,nrc/servo,jdramani/servo,thiagopnts/servo,avadacatavra/servo,kindersung/servo,jlegendary/servo,nerith/servo,bjwbell/servo,CJ8664/servo,zhangjunlei26/servo,pyfisch/servo,paulrouget/servo,splav/servo,hyowon/servo,zhangjunlei26/servo,samfoo/servo,KiChjang/servo,nrc/servo,wartman4404/servo,ConnorGBrewster/servo,KiChjang/servo,g-k/servo,paulrouget/servo,dvberkel/servo,avadacatavra/servo,canaltinova/servo,tschneidereit/servo,steveklabnik/servo,ConnorGBrewster/servo,fiji-flo/servo,mattnenterprise/servo,emilio/servo,emilio/servo,A-deLuna/servo,DominoTree/servo,pgonda/servo,brendandahl/servo,sadmansk/servo,runarberg/servo,WriterOfAlicrow/servo,KiChjang/servo,nrc/servo,caldwell/servo,mbrubeck/servo,zhangjunlei26/servo,DominoTree/servo,g-k/servo,nnethercote/servo,jgraham/servo,paulrouget/servo,DominoTree/servo,j3parker/servo,nerith/servo,s142857/servo,paulrouget/servo,GreenRecycleBin/servo,emilio/servo,nnethercote/servo,mattnenterprise/servo,cbrewster/servo,dagnir/servo,s142857/servo,dagnir/servo,SimonSapin/servo,GreenRecycleBin/servo,upsuper/servo,fiji-flo/servo,sadmansk/servo,canaltinova/servo,kindersung/servo,jgraham/servo,upsuper/servo,saratang/servo,DominoTree/servo,tafia/servo,thiagopnts/servo,CJ8664/servo,DominoTree/servo,youprofit/servo,larsbergstrom/servo,ConnorGBrewster/servo,youprofit/servo,notriddle/servo,szeged/servo,nerith/servo,mbrubeck/servo,GyrosOfWar/servo,peterjoel/servo,sadmansk/servo,rixrix/servo,SimonSapin/servo,zentner-kyle/servo,emilio/servo,dagnir/servo,jimberlage/servo,saratang/servo,codemac/servo,peterjoel/servo,GyrosOfWar/servo,SimonSapin/servo,nrc/servo,nick-thompson/servo,meh/servo,canaltinova/servo,splav/servo,thiagopnts/servo,boghison/servo,szeged/servo,anthgur/servo,dagnir/servo,jimberlage/servo,peterjoel/servo,cbrewster/servo,pyecs/servo,rixrix/servo,avadacatavra/servo,nnethercote/servo,aweinstock314/servo,ryancanhelpyou/servo,KiChjang/servo,samfoo/servo,aidanhs/servo,tempbottle/servo,rentongzhang/servo,A-deLuna/servo,nnethercote/servo,nick-thompson/servo,runarberg/servo,vks/servo,ConnorGBrewster/servo,aidanhs/servo,karlito40/servo,boghison/servo,dvberkel/servo,j3parker/servo,vks/servo,dhananjay92/servo,paulrouget/servo,AnthonyBroadCrawford/servo,dsandeephegde/servo,tempbottle/servo,bjwbell/servo,j3parker/servo,meh/servo,dsandeephegde/servo,fiji-flo/servo,WriterOfAlicrow/servo,zentner-kyle/servo,rentongzhang/servo,runarberg/servo,rentongzhang/servo,pyfisch/servo,zentner-kyle/servo,GreenRecycleBin/servo,pyecs/servo,kindersung/servo,canaltinova/servo,anthgur/servo,notriddle/servo,zhangjunlei26/servo,WriterOfAlicrow/servo,rnestler/servo,GyrosOfWar/servo,vks/servo,tempbottle/servo,splav/servo,GreenRecycleBin/servo,codemac/servo,notriddle/servo,emilio/servo,boghison/servo,vks/servo,huonw/servo,dati91/servo,rnestler/servo,jdramani/servo,nick-thompson/servo,pyecs/servo,mt2d2/servo,dsandeephegde/servo,pyecs/servo,rentongzhang/servo,jdramani/servo,nnethercote/servo,caldwell/servo,walac/servo,emilio/servo,paulrouget/servo,larsbergstrom/servo,huonw/servo,nerith/servo,mt2d2/servo,SimonSapin/servo,pyfisch/servo,rnestler/servo,nerith/servo,mdibaiee/servo,A-deLuna/servo,runarberg/servo,g-k/servo,akosel/servo,akosel/servo,j3parker/servo,jdramani/servo,meh/servo,tempbottle/servo,youprofit/servo,rixrix/servo,thiagopnts/servo,szeged/servo,mbrubeck/servo,saneyuki/servo,jgraham/servo,nick-thompson/servo,sadmansk/servo,meh/servo,WriterOfAlicrow/servo,deokjinkim/servo,avadacatavra/servo,dati91/servo,g-k/servo,steveklabnik/servo,emilio/servo,rentongzhang/servo,emilio/servo,nnethercote/servo,karlito40/servo,WriterOfAlicrow/servo,huonw/servo,pyfisch/servo,upsuper/servo,mt2d2/servo,aidanhs/servo,szeged/servo,A-deLuna/servo,nnethercote/servo,DominoTree/servo,ryancanhelpyou/servo,eddyb/servo,runarberg/servo,caldwell/servo,pyecs/servo,emilio/servo,szeged/servo,upsuper/servo,upsuper/servo,mattnenterprise/servo,codemac/servo,dvberkel/servo,saneyuki/servo,caldwell/servo,peterjoel/servo,mattnenterprise/servo,SimonSapin/servo,anthgur/servo,hyowon/servo,akosel/servo,SimonSapin/servo,dsandeephegde/servo,huonw/servo,upsuper/servo,avadacatavra/servo,jdramani/servo,akosel/servo,ryancanhelpyou/servo,dhananjay92/servo,jlegendary/servo,eddyb/servo,tafia/servo,WriterOfAlicrow/servo,steveklabnik/servo,ConnorGBrewster/servo,aidanhs/servo,SimonSapin/servo,fiji-flo/servo,paulrouget/servo,dvberkel/servo,saneyuki/servo,notriddle/servo,huonw/servo,splav/servo,youprofit/servo,fiji-flo/servo,aweinstock314/servo,tschneidereit/servo,saratang/servo,nnethercote/servo,rixrix/servo,karlito40/servo,jgraham/servo,splav/servo,bjwbell/servo,ConnorGBrewster/servo,tschneidereit/servo,hyowon/servo,huonw/servo,zentner-kyle/servo,avadacatavra/servo,larsbergstrom/servo,wartman4404/servo,ConnorGBrewster/servo,dvberkel/servo,walac/servo,bjwbell/servo,notriddle/servo,rixrix/servo,anthgur/servo,RenaudParis/servo,bjwbell/servo,hyowon/servo,tafia/servo,jimberlage/servo,youprofit/servo,fiji-flo/servo,akosel/servo,steveklabnik/servo,walac/servo,cbrewster/servo,mattnenterprise/servo,dhananjay92/servo,samfoo/servo,tempbottle/servo,emilio/servo,dhananjay92/servo,larsbergstrom/servo,pgonda/servo,mdibaiee/servo,walac/servo,GreenRecycleBin/servo,CJ8664/servo,dagnir/servo,steveklabnik/servo,DominoTree/servo,walac/servo,szeged/servo,youprofit/servo,A-deLuna/servo,saneyuki/servo,brendandahl/servo,KiChjang/servo,mbrubeck/servo,cbrewster/servo,dsandeephegde/servo,runarberg/servo,deokjinkim/servo,jlegendary/servo,CJ8664/servo,cbrewster/servo,jlegendary/servo,tafia/servo,AnthonyBroadCrawford/servo,mt2d2/servo,aweinstock314/servo,larsbergstrom/servo,nrc/servo,brendandahl/servo,nnethercote/servo,eddyb/servo,DominoTree/servo,jgraham/servo,boghison/servo,thiagopnts/servo,rnestler/servo,saratang/servo,cbrewster/servo,tempbottle/servo,AnthonyBroadCrawford/servo,zentner-kyle/servo,peterjoel/servo,pyecs/servo,dati91/servo,dati91/servo,larsbergstrom/servo,GyrosOfWar/servo,jgraham/servo,peterjoel/servo,kindersung/servo,j3parker/servo,szeged/servo,AnthonyBroadCrawford/servo,karlito40/servo,walac/servo,ryancanhelpyou/servo,splav/servo,boghison/servo,rixrix/servo,splav/servo,notriddle/servo,eddyb/servo,pyfisch/servo,kindersung/servo,runarberg/servo,caldwell/servo,rnestler/servo,CJ8664/servo,RenaudParis/servo,thiagopnts/servo,KiChjang/servo,deokjinkim/servo,g-k/servo,rixrix/servo,mt2d2/servo,pgonda/servo,jimberlage/servo,aweinstock314/servo,dagnir/servo,codemac/servo,saneyuki/servo,mt2d2/servo,zhangjunlei26/servo,anthgur/servo,bjwbell/servo,peterjoel/servo,dagnir/servo,codemac/servo,RenaudParis/servo,samfoo/servo,jimberlage/servo,aidanhs/servo,dvberkel/servo,paulrouget/servo,jimberlage/servo,wartman4404/servo,codemac/servo,s142857/servo,mdibaiee/servo,s142857/servo,RenaudParis/servo,pyfisch/servo,meh/servo,aweinstock314/servo,rnestler/servo,szeged/servo,eddyb/servo,pgonda/servo,nrc/servo,canaltinova/servo,brendandahl/servo,zhangjunlei26/servo,larsbergstrom/servo,szeged/servo,zentner-kyle/servo,DominoTree/servo,dati91/servo,anthgur/servo,zhangjunlei26/servo,pgonda/servo,samfoo/servo,notriddle/servo,jimberlage/servo,larsbergstrom/servo,paulrouget/servo,AnthonyBroadCrawford/servo,jlegendary/servo,GreenRecycleBin/servo,KiChjang/servo,rixrix/servo,samfoo/servo,cbrewster/servo,KiChjang/servo,wartman4404/servo,mbrubeck/servo,dati91/servo,avadacatavra/servo,saneyuki/servo,dhananjay92/servo,splav/servo,mattnenterprise/servo,saneyuki/servo,sadmansk/servo,mdibaiee/servo,karlito40/servo,zhangjunlei26/servo,akosel/servo,saneyuki/servo,eddyb/servo,canaltinova/servo,peterjoel/servo,mattnenterprise/servo,walac/servo,ConnorGBrewster/servo,tafia/servo,j3parker/servo,CJ8664/servo,GreenRecycleBin/servo,fiji-flo/servo,vks/servo,karlito40/servo,brendandahl/servo,zentner-kyle/servo,mbrubeck/servo,dvberkel/servo,pyfisch/servo,ryancanhelpyou/servo,jimberlage/servo,WriterOfAlicrow/servo,wartman4404/servo,pyecs/servo,kindersung/servo,nick-thompson/servo,bjwbell/servo,rixrix/servo,youprofit/servo,tschneidereit/servo,aidanhs/servo,akosel/servo,g-k/servo,DominoTree/servo,s142857/servo,dsandeephegde/servo,peterjoel/servo,nick-thompson/servo,saratang/servo,GyrosOfWar/servo,pgonda/servo,mattnenterprise/servo,jlegendary/servo,sadmansk/servo,tafia/servo,cbrewster/servo,ryancanhelpyou/servo,samfoo/servo,wartman4404/servo,aweinstock314/servo,GreenRecycleBin/servo,canaltinova/servo,AnthonyBroadCrawford/servo,meh/servo,wartman4404/servo,thiagopnts/servo,dati91/servo,rentongzhang/servo,s142857/servo,tempbottle/servo,mdibaiee/servo,aidanhs/servo,meh/servo,s142857/servo,RenaudParis/servo,mdibaiee/servo,tschneidereit/servo,dhananjay92/servo,paulrouget/servo,larsbergstrom/servo,deokjinkim/servo,deokjinkim/servo,A-deLuna/servo,A-deLuna/servo,hyowon/servo,pyfisch/servo,boghison/servo,saratang/servo,sadmansk/servo,tschneidereit/servo,larsbergstrom/servo,rnestler/servo,jimberlage/servo,deokjinkim/servo,peterjoel/servo,KiChjang/servo,GyrosOfWar/servo,jlegendary/servo,GreenRecycleBin/servo,nick-thompson/servo,mbrubeck/servo,dsandeephegde/servo,deokjinkim/servo,steveklabnik/servo,karlito40/servo,nerith/servo,steveklabnik/servo,kindersung/servo,CJ8664/servo,nrc/servo,pyfisch/servo,fiji-flo/servo,dati91/servo,anthgur/servo,jdramani/servo,pgonda/servo,sadmansk/servo,notriddle/servo,g-k/servo,vks/servo,saneyuki/servo,jgraham/servo,pyfisch/servo,nnethercote/servo,mbrubeck/servo