Yeah, I'm having the same issue, but I thought it was just me. I'm glad and sad to see I'm not alone. Anyway, I've done all of the reboots, cache clearing, cookie clearing, and other clearing also, but I don't know when the last update was how to tell, or revert back from it if it's possible or any of that. It always worked just fine so I'm speculating that something along those lines must have happened to suddenly cause this condition. I too have Chrome, but prefer not to use it mostly because it doesn't have flash. I didn't know about the battery issue with it but that's just one more reason to pull it out occasionally and not every day. Meanwhile, I'll just deal with it until I can'ts take it no more!
Also, I'm sorry to hear about your factory reset. Those suck and for it not to work, that really sucks! And one more thing, it doesn't always pull your tabs back up. I would say it's like 3 in 5 or 6 in 10 times that it will open with your org tabs.