Added "load stale" IDS grit variables to IOS whitelist.

Added "load stale" IDS grit variables to IOS whitelist.

Needed for http://codereview.chromium.org/207553008 (r264696) to 
build on IOS.

BUG=329621
R=rohitrao@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=264963

[Randy Smith (Not in Mondays), 2014-04-20 22:37:22]

Rohit: Willing to stamp this?  I didn't include it in the original CL because I
didn't realize/remember that it would be necessary to put the new grit variables
in the whitelist.

[rohitrao (ping after 24h), 2014-04-20 22:42:59]

lgtm

[Randy Smith (Not in Mondays), 2014-04-20 22:44:43]

The CQ bit was checked by rdsmith@chromium.org

[commit-bot: I haz the power, 2014-04-20 22:44:45]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/rdsmith@chromium.org/244463003/1

[commit-bot: I haz the power, 2014-04-20 23:41:37]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-04-20 23:41:38]

Retried try job too often on android_dbg for step(s) slave_steps
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=android_db...

[Randy Smith (Not in Mondays), 2014-04-21 00:10:50]

The CQ bit was checked by rdsmith@chromium.org

[commit-bot: I haz the power, 2014-04-21 00:10:56]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/rdsmith@chromium.org/244463003/1

[commit-bot: I haz the power, 2014-04-21 03:21:22]

Change committed as 264963