Move the UIProvider from FileManagerStore to FileManager.
Move the UIProvider from FileManagerStore to FileManager.

This will allow us to reduce the amount of code that needs to care about it.

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