Fix a crash on Chrome OS when selecting a file in chrome://net-export/

Fix a crash on Chrome OS when selecting a file in chrome://net-export/

BUG=716198
Review-Url: https://codereview.chromium.org/2863283002
Cr-Commit-Position: refs/heads/master@{#469847}
Committed: https://chromium.googlesource.com/chromium/src/+/fc104446e6a2c11167e7f6e02b944f7e752be8b7

[eroman, 2017-05-06 00:50:58]

eroman@chromium.org changed reviewers:
+ mattm@chromium.org

[eroman, 2017-05-06 00:57:15]

The CQ bit was checked by eroman@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-05-06 00:58:06]

Dry run: CQ is trying da patch.

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

[mattm, 2017-05-06 00:59:04]

lgtm

[eroman, 2017-05-06 01:06:03]

The CQ bit was unchecked by eroman@chromium.org

[eroman, 2017-05-06 01:06:07]

The CQ bit was checked by eroman@chromium.org

[commit-bot: I haz the power, 2017-05-06 01:06:39]

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, 2017-05-06 18:49:17]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494032767080160, "parent_rev":
"142388b2f4c78a6e59851a1ffadd1169c1c76726", "commit_rev":
"fc104446e6a2c11167e7f6e02b944f7e752be8b7"}

[commit-bot: I haz the power, 2017-05-06 18:49:24]

Description was changed from

==========
Fix a crash on Chrome OS when selecting a file in chrome://net-export/

BUG=716198
==========

to

==========
Fix a crash on Chrome OS when selecting a file in chrome://net-export/

BUG=716198

Review-Url: https://codereview.chromium.org/2863283002
Cr-Commit-Position: refs/heads/master@{#469847}
Committed:
https://chromium.googlesource.com/chromium/src/+/fc104446e6a2c11167e7f6e02b94...
==========

[commit-bot: I haz the power, 2017-05-06 18:49:24]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/fc104446e6a2c11167e7f6e02b94...