Fix bug to now allow mounting chrome_src from inside chroot.

Crosperf was checking to see if chrome_src was inside the chroot, and
if so was not mounting it.  This patch fixes that problem.

BUG=None
TEST=Tested with my new chroot (which doesn't have chrome source in
'normal' place).

Change-Id: Ide3273ca73aecffa28fa8d19a53f300eb957c29e
Reviewed-on: https://chrome-internal-review.googlesource.com/162009
Reviewed-by: Luis Lozano <llozano@chromium.org>
Commit-Queue: Caroline Tice <cmtice@google.com>
Tested-by: Caroline Tice <cmtice@google.com>
1 file changed