I updated Chrome to Version 43.0.2357.81 (64-bit) and after restarting Chrome it displays it (Chrome) in low resolution (as far as I can tell). The tabs are bigger, buttons and text the same. Most of all blurry. I see the bug reported here https://code.google.com/p/chromium/issues/detail?can=2&start=0&num=100&q=&colspec=ID%20Pri%20M%20Week%20ReleaseBlock%20Cr%20Status%20Owner%20Summary%20OS%20Modified&groupby=&sort=&id=395425 but almost all solutions are for Windows and those for Ubuntu like "google-chrome –high-dpi-support=1 –force-device-scale-factor=1" do not work for me.
I restarted Chrome, the laptop, switch between the 2 graphic cards I have, changed the screen resolution, the Chrome text size, and pretty much everything I tried had no results.