Sending coins to the paper wallet, would be fine. Just send coins, and go to blockchain and paste your bitcoin address and see if it was received. {This is how you test, if the paper wallet worked}
Once you use your
private key online, to transfer or use the coins, it is generally accepted that the paper wallet is compromised. {Because you typed it in, while you are online, someone might have it key logged or monitored your screen output, and screen captured your private key}
So a paper wallet, is meant for offline savings.
It's fine, to use the
public key or bitcoin address, because nobody can do anything with it, without the
private key.
Your browser version have nothing to do with this in future, because the bitcoin protocol reads your address not the browser. {Hope I explained that in the correct sense}