Chrome has a ways to go before it fully supports HiDPI in linux, but in Firefox, all I did was set layout.css.devPixelsPerPx to 1.5 or 2.0 in about:config and e

Chrome has a ways to go before it fully supports HiDPI in linux, but in Firefox, all I did was set layout.css.devPixelsPerPx to 1.5 or 2.0 in about:config and everything scaled perfectly, UI and all. In Chrome you can set the default zoom for pages, but you will have tiny tabs.