DarkMTRL Chrome Theme V2 by ThyrusChrome browser theme V2 / based on the Android Theme from Thyrus, DarkMTRL.
Now supports resolutions up to QHD (2560*1440PX), larger resolutions or 4*3 aspect ratios such as for the Chromebook Pixel 2015 (2560*1700px) are also supported with minor limitations of the image not scaling the entire screen width.