Well this is an (un)pleasant surprise!
Google Chrome for iOS removed Google+ (which I’m a proud member of) as a sharing option!
Previously Google+, Facebook & Twitter were the main options (as this 2012 Verge article shows).
Now I can share articles via Twitter, Facebook (which I’ve turned off), Tumblr (yay!), Evernote & even Flipboard!
Either Google is giving up on Google+ or they forgot to add it Chrome (or at least make it a shareable option within iOS 8 amongst the other apps).