Converts absolute paths in the command to relative path.

It is a workaround for 'make' which is sending absolute paths for actions. To be
reverted once all build tools are verified to not use absolute paths.

R=rogerta@chromium.org
BUG=98636
TEST=


Review URL: http://codereview.chromium.org/9704001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@126660 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed