tree ee3b0491919135299d522898b2156317f749a96a
parent b49f0bc2b18ff02cb9e23dfead1507792d2272ec
author Allen Li <ayatane@google.com> 1490387661 -0700
committer Allen Li <ayatane@google.com> 1490396405 -0700

Silence rm errors when no cache files exist

BUG=chromium:703769
TEST=None

Change-Id: I007038454bf5e5c184345393436b81c8f0718ccc