Add fixed children of Google Drive in the directory tree only once.

Add fixed children of Google Drive in the directory tree only once.

BUG=410215
TEST=manually tested.

Committed: https://crrev.com/4cd276bc81ad5f64d774b03c84fc53f24dca918a
Cr-Commit-Position: refs/heads/master@{#293841}

[fukino, 2014-09-08 05:33:45]

fukino@chromium.org changed reviewers:
+ yoshiki@chromium.org

[fukino, 2014-09-08 05:33:45]

@yoshiki - Could you take a look? Thank you!

[yoshiki, 2014-09-08 08:16:37]

lgtm

[fukino, 2014-09-08 08:16:52]

The CQ bit was checked by fukino@chromium.org

[commit-bot: I haz the power, 2014-09-08 08:17:21]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/fukino@chromium.org/546343002/1

[commit-bot: I haz the power, 2014-09-08 10:21:49]

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

[commit-bot: I haz the power, 2014-09-08 10:21:50]

Exceeded time limit waiting for builds to trigger.

[fukino, 2014-09-08 11:03:16]

The CQ bit was checked by fukino@chromium.org

[commit-bot: I haz the power, 2014-09-08 11:04:14]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/fukino@chromium.org/546343002/1

[commit-bot: I haz the power, 2014-09-08 13:04:38]

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

[commit-bot: I haz the power, 2014-09-08 13:04:39]

Exceeded time limit waiting for builds to trigger.

[fukino, 2014-09-09 00:22:51]

The CQ bit was checked by fukino@chromium.org

[commit-bot: I haz the power, 2014-09-09 00:28:22]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/fukino@chromium.org/546343002/1

[commit-bot: I haz the power, 2014-09-09 03:05:40]

Committed patchset #1 (id:1) as 084f24d8ab08a7198fd385da7123d19ab8c4d9ee

[commit-bot: I haz the power, 2014-09-10 03:49:56]

Patchset 1 (id:??) landed as
https://crrev.com/4cd276bc81ad5f64d774b03c84fc53f24dca918a
Cr-Commit-Position: refs/heads/master@{#293841}