user@chrubuntu:~$ sudo dpkg -i Downloads/chromium-mali-opengles_0.0+20121110-0ubuntu4_armhf.deb
dpkg: considering removing libegl1-mesa:armhf in favour of chromium-mali-opengles:armhf ...
dpkg: no, cannot proceed with removal of libegl1-mesa:armhf (--auto-deconfigure will help):
 libegl1-mesa-drivers:armhf depends on libegl1-mesa (= 9.1.3-0ubuntu0.3)
  libegl1-mesa:armhf is to be removed.

dpkg: regarding .../chromium-mali-opengles_0.0+20121110-0ubuntu4_armhf.deb containing chromium-mali-opengles:armhf:
 chromium-mali-opengles conflicts with libegl1-x11
  libegl1-mesa:armhf provides libegl1-x11 and is present and installed.

dpkg: error processing Downloads/chromium-mali-opengles_0.0+20121110-0ubuntu4_armhf.deb (--install):
 conflicting packages - not installing chromium-mali-opengles:armhf
Errors were encountered while processing:
 Downloads/chromium-mali-opengles_0.0+20121110-0ubuntu4_armhf.deb