Get rid of the half-working traces of locking, caching, and quotas.  It
probably shoudln't have been added in to begin with.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/203015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@25966 0039d316-1c4b-4281-b951-d872f2087c98
9 files changed