Fix crash on startup if you hit back before native.

Fix crash on startup if you hit back before native.

We are attempting to log metrics before native is initialized.

BUG=706400
Review-Url: https://codereview.chromium.org/2803943005
Cr-Commit-Position: refs/heads/master@{#462724}
Committed: https://chromium.googlesource.com/chromium/src/+/87f32deba6f0a1a629f55d3a57d4d52cba412427

[Ted C, 2017-04-07 00:04:39]

tedchoc@chromium.org changed reviewers:
+ dfalcantara@chromium.org

[Ted C, 2017-04-07 00:04:40]

PTAL

[gone, 2017-04-07 00:05:34]

lgtm

[gone, 2017-04-07 00:05:37]

The CQ bit was checked by dfalcantara@chromium.org

[commit-bot: I haz the power, 2017-04-07 00:06:06]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-07 01:08:51]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1491523537984540, "parent_rev":
"367ede2073f00b84cc50c43f9282c65a79bf2d0a", "commit_rev":
"87f32deba6f0a1a629f55d3a57d4d52cba412427"}

[commit-bot: I haz the power, 2017-04-07 01:09:41]

Description was changed from

==========
Fix crash on startup if you hit back before native.

We are attempting to log metrics before native is initialized.

BUG=706400
==========

to

==========
Fix crash on startup if you hit back before native.

We are attempting to log metrics before native is initialized.

BUG=706400

Review-Url: https://codereview.chromium.org/2803943005
Cr-Commit-Position: refs/heads/master@{#462724}
Committed:
https://chromium.googlesource.com/chromium/src/+/87f32deba6f0a1a629f55d3a57d4...
==========

[commit-bot: I haz the power, 2017-04-07 01:09:41]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/87f32deba6f0a1a629f55d3a57d4...