Google has decided that GTK+ was no longer meeting its requirements and decided to push its own solution for Google Chrome, in the form of Aura. The heralded GTK+x replacement for the Chrome browser has a downside for the Linux users, which are now forced to downgrade to an older version.
When Google decided to replace GTK+ with Aura, the immediate consequences were not obvious from the start. Now that users have adopted the new Google Chrome 35, people have started to discover that Java no longer works in the browser. This is true only for the Linux platform.