Fix the NodeFlags methods that are called by layout.
Fix the NodeFlags methods that are called by layout.

They should never borrow.

A-deLuna/servo,ruud-v-a/servo,thiagopnts/servo,jgraham/servo,jgraham/servo,dvberkel/servo,steveklabnik/servo,dvberkel/servo,shrenikgala/servo,shrenikgala/servo,RenaudParis/servo,DominoTree/servo,mattnenterprise/servo,nnethercote/servo,Adenilson/prototype-viewing-distance,rixrix/servo,luniv/servo,bjwbell/servo,deokjinkim/servo,dsandeephegde/servo,ryancanhelpyou/servo,kindersung/servo,paulrouget/servo,notriddle/servo,jgraham/servo,j3parker/servo,hyowon/servo,RenaudParis/servo,ruud-v-a/servo,eddyb/servo,nrc/servo,dati91/servo,vks/servo,WriterOfAlicrow/servo,youprofit/servo,paulrouget/servo,dsandeephegde/servo,juzer10/servo,aidanhs/servo,pyecs/servo,zhangjunlei26/servo,ryancanhelpyou/servo,WriterOfAlicrow/servo,pgonda/servo,peterjoel/servo,ruud-v-a/servo,wpgallih/servo,szeged/servo,codemac/servo,saratang/servo,aweinstock314/servo,paulrouget/servo,froydnj/servo,deokjinkim/servo,akosel/servo,avadacatavra/servo,walac/servo,saratang/servo,bfrohs/servo,echochamber/servo,AnthonyBroadCrawford/servo,mukilan/servo,dhananjay92/servo,tafia/servo,dmarcos/servo,upsuper/servo,emilio/servo,saneyuki/servo,s142857/servo,avadacatavra/servo,larsbergstrom/servo,akosel/servo,tschneidereit/servo,mbrubeck/servo,SimonSapin/servo,s142857/servo,michaelwu/servo,indykish/servo,wpgallih/servo,GreenRecycleBin/servo,nick-thompson/servo,WriterOfAlicrow/servo,rentongzhang/servo,upsuper/servo,indykish/servo,jlegendary/servo,deokjinkim/servo,s142857/servo,saneyuki/servo,juzer10/servo,g-k/servo,mukilan/servo,youprofit/servo,avadacatavra/servo,rixrix/servo,boghison/servo,echochamber/servo,rixrix/servo,froydnj/servo,tafia/servo,aidanhs/servo,zhangjunlei26/servo,splav/servo,szeged/servo,pyecs/servo,ryancanhelpyou/servo,luniv/servo,szeged/servo,saratang/servo,rnestler/servo,snf/servo,mukilan/servo,mattnenterprise/servo,hyowon/servo,srbhklkrn/SERVOENGINE,mt2d2/servo,DominoTree/servo,mbrubeck/servo,tschneidereit/servo,meh/servo,rixrix/servo,upsuper/servo,walac/servo,canaltinova/servo,karlito40/servo,brendandahl/servo,rixrix/servo,jlegendary/servo,meh/servo,canaltinova/servo,KiChjang/servo,huonw/servo,pyfisch/servo,CJ8664/servo,ruud-v-a/servo,snf/servo,ryancanhelpyou/servo,nnethercote/servo,bfrohs/servo,A-deLuna/servo,steveklabnik/servo,nnethercote/servo,brendandahl/servo,GreenRecycleBin/servo,samfoo/servo,j3parker/servo,dsandeephegde/servo,evilpie/servo,pgonda/servo,caldwell/servo,pgonda/servo,j3parker/servo,canaltinova/servo,vks/servo,bjwbell/servo,rixrix/servo,upsuper/servo,dsandeephegde/servo,jimberlage/servo,ruud-v-a/servo,GreenRecycleBin/servo,fiji-flo/servo,juzer10/servo,aweinstock314/servo,runarberg/servo,youprofit/servo,tafia/servo,runarberg/servo,szeged/servo,Shraddha512/servo,AnthonyBroadCrawford/servo,codemac/servo,nick-thompson/servo,jimberlage/servo,indykish/servo,huonw/servo,chotchki/servo,saneyuki/servo,canaltinova/servo,karlito40/servo,j3parker/servo,wpgallih/servo,dati91/servo,nnethercote/servo,chotchki/servo,DominoTree/servo,cbrewster/servo,srbhklkrn/SERVOENGINE,pyfisch/servo,KiChjang/servo,chotchki/servo,cbrewster/servo,tempbottle/servo,nick-thompson/servo,rixrix/servo,mt2d2/servo,dagnir/servo,echochamber/servo,g-k/servo,mukilan/servo,steveklabnik/servo,splav/servo,echochamber/servo,nnethercote/servo,peterjoel/servo,zentner-kyle/servo,g-k/servo,paulrouget/servo,thiagopnts/servo,paulrouget/servo,fiji-flo/servo,SimonSapin/servo,dagnir/servo,upsuper/servo,karlito40/servo,youprofit/servo,srbhklkrn/SERVOENGINE,mbrubeck/servo,meh/servo,thiagopnts/servo,cbrewster/servo,AnthonyBroadCrawford/servo,cbrewster/servo,nick-thompson/servo,deokjinkim/servo,RenaudParis/servo,wpgallih/servo,larsbergstrom/servo,caldwell/servo,emilio/servo,GyrosOfWar/servo,jimberlage/servo,jimberlage/servo,caldwell/servo,luniv/servo,jdramani/servo,zentner-kyle/servo,evilpie/servo,mattnenterprise/servo,splav/servo,akosel/servo,nrc/servo,rnestler/servo,SimonSapin/servo,mattnenterprise/servo,tschneidereit/servo,thiagopnts/servo,froydnj/servo,mukilan/servo,hyowon/servo,samfoo/servo,mdibaiee/servo,jimberlage/servo,dmarcos/servo,akosel/servo,tempbottle/servo,SimonSapin/servo,steveklabnik/servo,tafia/servo,kindersung/servo,aidanhs/servo,A-deLuna/servo,mbrubeck/servo,emilio/servo,GyrosOfWar/servo,ryancanhelpyou/servo,aidanhs/servo,jdramani/servo,eddyb/servo,paulrouget/servo,larsbergstrom/servo,avadacatavra/servo,dsandeephegde/servo,DominoTree/servo,rnestler/servo,mbrubeck/servo,mdibaiee/servo,huonw/servo,echochamber/servo,dati91/servo,boghison/servo,peterjoel/servo,youprofit/servo,jgraham/servo,aidanhs/servo,walac/servo,szeged/servo,g-k/servo,CJ8664/servo,wartman4404/servo,boghison/servo,GreenRecycleBin/servo,froydnj/servo,pyecs/servo,saneyuki/servo,Shraddha512/servo,jdramani/servo,luniv/servo,froydnj/servo,hyowon/servo,evilpie/servo,samfoo/servo,nerith/servo,GyrosOfWar/servo,dmarcos/servo,pgonda/servo,mt2d2/servo,peterjoel/servo,peterjoel/servo,Shraddha512/servo,emilio/servo,WriterOfAlicrow/servo,dagnir/servo,s142857/servo,saneyuki/servo,notriddle/servo,saneyuki/servo,KiChjang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