Remove redundant checking of promise resolve and clone of URLs
Remove redundant checking of promise resolve and clone of URLs

KiChjang/servo,KiChjang/servo,splav/servo,DominoTree/servo,splav/servo,KiChjang/servo,KiChjang/servo,DominoTree/servo,splav/servo,KiChjang/servo,DominoTree/servo,KiChjang/servo,KiChjang/servo,splav/servo,DominoTree/servo,splav/servo,DominoTree/servo,splav/servo,splav/servo,DominoTree/servo,KiChjang/servo,DominoTree/servo,DominoTree/servo,splav/servo,DominoTree/servo,KiChjang/servo,splav/servo,splav/servo,KiChjang/servo,DominoTree/servo