WebKit is a rendering engine which is one of the major components of a web browser. Chrome/Chromium was released in 2008 using a modified version of WebKit as its rendering engine. Eventually in 2013 they created a fork of WebKit called Blink, which is the current rendering engine for Chrome/Chromium.
This is the opposite of where the 8 hour day/40 hour week came from. In the US, it was fought for and won by various pro labor groups and unions in the early 1900s and became part of US law under the Fair Labor Standards Act of 1938.