So... It looks like G+ is going away. :/
From the post:
Finding 1: There are significant challenges in creating and maintaining a successful Google+ product that meets consumers’ expectations.
Action 1: We are shutting down Google+ for consumers.
...
To give people a full opportunity to transition, we will implement this wind-down over a 10-month period, slated for completion by the end of next August.
I was just diagnosing some memory issues and found that the nacl_helper in google chrome was chewing up 84.0G. Some searching on this floated a hit from May 2016 that identified the Google Play Music extension as a potential source. I use Google Play Music so disabled the extension. The nacl_helper process was killed off immediately. Google Play Music still runs in the browser without the extension so I'm going to just leave that disabled and see if I notice any differen