Update nss_revision to 159459

Update nss_revision to 159459

This updates NSS to 3.14 pre-release snapshot 2012-09-25, along with
https://bugzilla.mozilla.org/show_bug.cgi?id=795213 to fix a warning.

R=wtc
BUG=153281, 151692, 151927
TEST=none

Review URL: https://chromiumcodereview.appspot.com/11040061

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=162398

[Ryan Sleevi, 2012-10-15 21:34:54]

wtc: PTAL. I wanted to make sure there weren't any further reservations on your
side about rolling forward, but you sounded confident on Thursday.

Nico: FYI

[Nico, 2012-10-15 21:38:20]

Thanks! Can you add 151927 to the BUG= line too?

[wtc, 2012-10-16 20:35:25]

Patch set 1 LGTM. Thank you for your help!

[commit-bot: I haz the power, 2012-10-16 20:38:54]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/rsleevi@chromium.org/11143026/1

[commit-bot: I haz the power, 2012-10-17 11:15:42]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/rsleevi@chromium.org/11143026/1

[commit-bot: I haz the power, 2012-10-17 14:21:07]

Change committed as 162398