Fix NPE in ApplicationStatus.

Fix NPE in ApplicationStatus.

The return line being outside the synchronized block allowed the cached
state to be reset to null before it was calculated.

BUG=470966
Committed: https://crrev.com/3b8ad9af169861a9dce1b1e4ee3644a9ec4daab4
Cr-Commit-Position: refs/heads/master@{#322479}

[maxbogue, 2015-03-26 21:19:33]

maxbogue@chromium.org changed reviewers:
+ nyquist@chromium.org

[nyquist, 2015-03-26 21:30:08]

The CQ bit was checked by nyquist@chromium.org

[nyquist, 2015-03-26 21:30:09]

lgtm

[commit-bot: I haz the power, 2015-03-26 21:30:33]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1031413005/1

[commit-bot: I haz the power, 2015-03-26 22:03:16]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-26 22:04:26]

Patchset 1 (id:??) landed as
https://crrev.com/3b8ad9af169861a9dce1b1e4ee3644a9ec4daab4
Cr-Commit-Position: refs/heads/master@{#322479}

[Yaron, 2015-03-27 01:18:13]

yfriedman@chromium.org changed reviewers:
+ yfriedman@chromium.org

[Yaron, 2015-03-27 01:18:13]

lgtm

[Yaron, 2015-03-27 01:18:30]

On 2015/03/27 01:18:13, Yaron wrote:
> lgtm

(err meant to lgtm the branch one)