Add base::Version to libchrome.

This adds the base::Version object to libchrome. ImageLoader needs it
for Chrome component version handling.

BUG=chromium:588220
TEST=emerge-${BOARD} chromeos-base/libchrome

Change-Id: Ic924acaf82a7d9fa14aa87f63cda1221e8522970
Reviewed-on: https://chromium-review.googlesource.com/360936
Commit-Ready: Greg Kerr <kerrnel@chromium.org>
Tested-by: Greg Kerr <kerrnel@chromium.org>
Reviewed-by: Luis Hector Chavez <lhchavez@google.com>
4 files changed