Auto merge of #6890 - zmike:hashtag_tooltip, r=metajack
Auto merge of #6890 - zmike:hashtag_tooltip, r=metajack

implement display_handler::on_status_message for cef

r+? @jdm @larsbergstrom @metajack @pcwalton @anyone with r+

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