/usr/share/themes/Gray/index.theme is in gray-theme 0.1-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | [Desktop Entry]
Type=X-GNOME-Metatheme
Name=Gray
Comment=Slick, minimalistic gray theme (by Cimi)
Encoding=UTF-8
[X-GNOME-Metatheme]
GtkTheme=Gray
IconTheme=Tangerine
MetacityTheme=Gray
|