Fix reporting_level_ initialization

Fix reporting_level_ initialization

BUG=431833
TBR=holte@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/715633003

Cr-Commit-Position: refs/heads/master@{#303518}
(cherry picked from commit b35d1e1ad264ee432442cfe7d988880a44ca07d7)

Committed: https://chromium.googlesource.com/chromium/src/+/082a3449b89e079f55c5755cb240e62ce5b5f2ad

[Alexei Svitkine (slow), 2014-11-13 21:06:04]

The CQ bit was checked by asvitkine@chromium.org

[Alexei Svitkine (slow), 2014-11-13 21:06:30]

asvitkine@chromium.org changed reviewers:
+ holte@chromium.org

[commit-bot: I haz the power, 2014-11-13 21:07:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/727533003/1

[commit-bot: I haz the power, 2014-11-13 21:08:23]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-11-13 21:08:24]

Failed to apply the patch.

[commit-bot: I haz the power, 2014-11-13 21:09:00]

The CQ bit was unchecked by commit-bot@chromium.org

[Alexei Svitkine (slow), 2014-11-13 21:14:10]

Committed patchset #1 (id:1) manually as
082a3449b89e079f55c5755cb240e62ce5b5f2ad (presubmit successful).

[Steven Holte, 2014-11-13 22:41:09]

lgtm