Credit: Ryan Haines / Android AuthorityA Google executive confirmed in an interview that the company is combining Chrome OS and Android. This comes a while after we exclusively reported that Chrome OS will effectively be absorbed into Android. It also comes after Google said it would develop Chrome OS on “large portions of the Android stack.”This all sounds very interesting on paper, but I have some reservations about such a merger. Here are the things Google can’t afford to screw up when it combines Chrome OS and Android.