/usr/lib/libchromeXvMCPro.so is in xserver-xorg-video-openchrome 1:0.2.904+svn1050-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libchromeXvMCPro.so.1.0.0
/usr/lib/libchromeXvMCPro.so.1.0.0