borzari

@mmusich I started from [your branch](https://github.com/cms-sw/cmssw/compare/master...CMSTrackingPOG:cmssw:rmTryCatch_from_borzari) and tested what I mentioned above: - Replaced `if (bestTrack.extra().isNonnull())` with `if (bestTrack.recHitsOk())`: didn't have any effect, as expected, and should be "safer" -...