Use chroot name instead of full path chroot command

chroot name is desired for -c option instead of the full path chroot
command

BUG=


Review URL: https://chromiumcodereview.appspot.com/11418284

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@171145 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed