SafeSPrintf: use C++ variadic template

SafeSPrintf: use C++ variadic template

Revert 543be0953e1ea908c2b5bbc005af3f3d61eb09f1 and always use C++11
variadic template.

Also add mdempsky@ and jln@ as owners.

Committed: https://crrev.com/ad396f7c3ba3253b0376088c2f11c59e9f4eac96
Cr-Commit-Position: refs/heads/master@{#299977}

[jln (very slow on Chromium), 2014-10-16 19:05:34]

Patchset #2 (id:20001) has been deleted

[jln (very slow on Chromium), 2014-10-16 19:05:39]

Patchset #1 (id:1) has been deleted

[jln (very slow on Chromium), 2014-10-16 19:06:58]

jln@chromium.org changed reviewers:
+ mdempsky@chromium.org

[jln (very slow on Chromium), 2014-10-16 19:07:08]

Matthew: PTAL!

[mdempsky, 2014-10-16 19:11:54]

lgtm

[jln (very slow on Chromium), 2014-10-16 19:14:39]

jln@chromium.org changed reviewers:
+ thestig@chromium.org

[jln (very slow on Chromium), 2014-10-16 19:15:07]

Lei: could you please approve the owner change? Replacing Markus by mdempsky and
myself.

[Lei Zhang, 2014-10-16 20:49:42]

lgtm

Ahhh, much better.

[jln (very slow on Chromium), 2014-10-16 21:06:11]

The CQ bit was checked by jln@chromium.org

[commit-bot: I haz the power, 2014-10-16 21:07:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/665483002/60001

[commit-bot: I haz the power, 2014-10-16 21:24:57]

Committed patchset #2 (id:60001)

[commit-bot: I haz the power, 2014-10-16 21:25:51]

Patchset 2 (id:??) landed as
https://crrev.com/ad396f7c3ba3253b0376088c2f11c59e9f4eac96
Cr-Commit-Position: refs/heads/master@{#299977}