compositing: Tick animations right away when content enables animations.
compositing: Tick animations right away when content enables animations.

Otherwise, we have to wait for the next vsync. This was capping the
framerate of the particles demo at 30 FPS in most cases.

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