Google Testing Large Arrows For Search Results Pagination Controls?

Abhijeet Gadekarâ shared a screen shot with me on Twitter of Google testing large arrows on the left and right side of the page, used as a way to navigate to page two or three and back of the search results listings. I personally cannot replicate this test and I am not sure if maybe a browser extension is causing this, but that seems highly doubtful.

Here is a screen shot you can click on to enlarge: