remove DIR_LOCAL_APP_DATA_LOW from base.

remove DIR_LOCAL_APP_DATA_LOW  from base.

Not used except for cloud print.

BUG=426573
TBR=rvargas

Committed: https://crrev.com/1b29da2e5a43c42752b8bf489880a82eaf04b930
Cr-Commit-Position: refs/heads/master@{#301473}

[cpu_(ooo_6.6-7.5), 2014-10-27 19:25:17]

cpu@chromium.org changed reviewers:
+ scottmg@chromium.org

[cpu_(ooo_6.6-7.5), 2014-10-27 19:25:52]

the other two owners seem to be on vacation. ptal.

[scottmg, 2014-10-27 20:02:43]

lgtm

Could we make the default LocalLow instead?

[cpu_(ooo_6.6-7.5), 2014-10-27 21:57:45]

can't because low integrity folders cannot be read from medium integrity
processes.

The biba model is no-read-down and no-write-up.

http://msdn.microsoft.com/en-us/library/bb625957.aspx

It must be that somehow the printer code is launched a low integrity, which it
is a bit crazy for a printer driver, maybe that code is not used.

[cpu_(ooo_6.6-7.5), 2014-10-27 21:58:02]

The CQ bit was checked by cpu@chromium.org

[commit-bot: I haz the power, 2014-10-27 22:02:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/681533002/1

[commit-bot: I haz the power, 2014-10-27 23:14:22]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-27 23:15:26]

Patchset 1 (id:??) landed as
https://crrev.com/1b29da2e5a43c42752b8bf489880a82eaf04b930
Cr-Commit-Position: refs/heads/master@{#301473}