Add presubmit check for scoped_ptr usage.

Add presubmit check for scoped_ptr usage.

The entries were all found by the following command line:

$ g grep -nE '\bscoped_ptr<.*?>\(\)' ui/

BUG=None
TEST=app_list_unittests, aura_unittests, events_unittests,
message_center_unittests,views_unittests, ...
R=sky@chromium.org

Committed: https://crrev.com/92cf0d48483c8c41f273a8e4a3843cd9552873ee
Cr-Commit-Position: refs/heads/master@{#312885}

[tfarina, 2015-01-21 21:38:38]

sky -> ui/ review!

CCing Dana, as this ports a presubmit from cc/, fyi.
CCing Marc-Antoine and Trent for presubmit script in case they want to review
it.

The presubmit was also tested with:

$ git cl presubmit -uv

Regards,

[sky, 2015-01-21 22:47:46]

Can you land the script separately please?

[tfarina, 2015-01-22 21:57:24]

On 2015/01/21 22:47:46, sky wrote:
> Can you land the script separately please?

[tfarina, 2015-01-22 21:57:36]

On 2015/01/21 22:47:46, sky wrote:
> Can you land the script separately please?

Yup. Done.

[sky, 2015-01-23 00:36:41]

LGTM

[tfarina, 2015-01-23 17:06:32]

The CQ bit was checked by tfarina@chromium.org

[commit-bot: I haz the power, 2015-01-23 17:07:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/855023003/80001

[commit-bot: I haz the power, 2015-01-23 18:56:15]

Committed patchset #5 (id:80001)

[commit-bot: I haz the power, 2015-01-23 18:57:17]

Patchset 5 (id:??) landed as
https://crrev.com/92cf0d48483c8c41f273a8e4a3843cd9552873ee
Cr-Commit-Position: refs/heads/master@{#312885}