There is no need to clone for animation/transition declaration block.
There is no need to clone for animation/transition declaration block.

Because it's a newly created Arc<Locked<PropertyDeclarationBlock> in
get_animation_rule.

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