displaygoogle-chromegpuvideo-adapterweb-browser
Google Chrome fails to paint browser tabs correctly while the Discrete graphics adapter is in use.
I have an Early 2011 15" MacBook Pro running OSX 10.10.5 (Yosemite) and am running Chrome Version 53.0.2785.143 (64-bit). This problem began about a month ago.
Have you tried resetting the SMC?
Alt + Ctrl + Shift keys Besides that, could you check what color profiles you have installed and report back? Removing faulty profiles and rebooting might help solve your issue as well.
FinderCmd + Shift + G/Library/ColorSync/Profiles/Displays and press GoUpdate: installing a tool that prevents graphic card switching could likely help you as well, though I'd keep that as a fallback option. GFX does a great job at that.
Google Chrome Helper instances are used for various plugins you may have installed. Unless a plugin is glitchy or doesn't play nice with other plugins, there is generally no problem having some or many Chrome Helper processes running.
This Wired article explains a bit about Chrome Helper.
Best Answer
Not sure if this is still relevant to you but maybe this will help you:
MacBook Pro Repair Extension Program for Video Issues
Basically your GPU might be faulty and Apple will fix it for free.