google-chromemac
When I open Google Chrome app, my webcam seemingly starts recording, i.e. green light next to iSight lightens. What is happening?
Edit: I went to System Preferences -> Sharing and saw that everything is turned off. Then I went to Activity Monitor and searched for "camera" saw some process which I killed then and the light turned off.
After restarting Google Chrome app, camera again turns on.
AppZapper allows you to remove all of the files associated with an application. The free version allows you to remove an app only 5 times, but check it out and see if it solves your issue.
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
There are two most likely reasons for this:
In both cases, a bit trial and error is required to identify the cause.