Read: https://www.reddit.com/r/chrome/comments/5arx3l/live_http_headers_extension_hijacked/
and https://cwhite.me/live-http-headers-is-now-an-adware-distributor/
Always Inject jQuery is also blocked to install via uBlock0
polonus
Extension has been taken down by Google 
Well in now taken down WoT extension we have a great example of a spyware add-on.
How many extensions have fallen through in the mean time and we cannot fully trust.
pol