In my personal opinion, I find big brands pairing with serious and reliable antivirus solutions to be a really good move. Instead of seeing it as "wow ESET paired with the monster Google", I look at it like "wow, Google will implement ESET technology, means more security and privacy!". Same applies for Facebook, Samsung, etc. Although I cannot actually confirm the integrity of McAfee.
Lets look at these events like huge companies, handling lots of personal data, being interested in securing their customers. Good move, for both of them!