Add ID to dummy extension during permission check

Add ID to dummy extension during permission check

This is important so that the permissions will be consistent between
the dummy extension and the extension that is about to be installed.

BUG=450896
Committed: https://crrev.com/a2752c14925409807eb4022ef79dfc736b4a883c
Cr-Commit-Position: refs/heads/master@{#312686}

[elijahtaylor1, 2015-01-22 04:56:46]

elijahtaylor@chromium.org changed reviewers:
+ asargent@chromium.org

[elijahtaylor1, 2015-01-22 04:57:09]

On 2015/01/22 04:56:46, elijahtaylor1 wrote:
> mailto:elijahtaylor@chromium.org changed reviewers:
> + mailto:asargent@chromium.org

PTAL

[asargent_no_longer_on_chrome, 2015-01-22 18:55:17]

lgtm

[elijahtaylor1, 2015-01-22 21:49:00]

The CQ bit was checked by elijahtaylor@chromium.org

[commit-bot: I haz the power, 2015-01-22 21:50:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/862283002/1

[commit-bot: I haz the power, 2015-01-22 22:12:21]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-22 22:13:13]

Patchset 1 (id:??) landed as
https://crrev.com/a2752c14925409807eb4022ef79dfc736b4a883c
Cr-Commit-Position: refs/heads/master@{#312686}