Installing this extension on your Chrome will now let you +1 any webpage on the Internet, irrespective of whether the webpage displays the Facebook Like button or not.
The Chrome extension, also shows the number of Like’s that the post has received.
You do not need to be logged in to Facebook to install this plugin, but to Like, Share or Recommend a page you will need to log in to your Facebook account. Simply click on the button to Like a page. You can also right click on any page to Like, Share or Recommend a page.
Do note that like the Google+ button, this one to sends back information about your surfing, IP address, etc.
Head over to this page with your Chrome browser if you’d like to install it.
Go here if you are looking for Google Chrome Extensions to Share Google+ Posts to Facebook and Twitter.