Add a few missing files (including a test) to base/BUILD.gn

Add a few missing files (including a test) to base/BUILD.gn

BUG=661774
Review-Url: https://codereview.chromium.org/2774183002
Cr-Commit-Position: refs/heads/master@{#459670}
Committed: https://chromium.googlesource.com/chromium/src/+/8318c659370c46679a96d84b5735a708110c53fd

[Nico, 2017-03-26 01:57:59]

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

[commit-bot: I haz the power, 2017-03-26 01:58:03]

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

[Nico, 2017-03-26 02:00:24]

thakis@chromium.org changed reviewers:
+ mark@chromium.org

[Mark Mentovai, 2017-03-26 02:16:55]

LGTM

[Nico, 2017-03-26 03:03:23]

The CQ bit was unchecked by thakis@chromium.org

[Nico, 2017-03-26 03:03:24]

The CQ bit was checked by thakis@chromium.org

[commit-bot: I haz the power, 2017-03-26 03:03:33]

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, 2017-03-26 03:45:10]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490497404165150, "parent_rev":
"c6f53dc00d26c67ce3e8d9571996a0c7666b0288", "commit_rev":
"8318c659370c46679a96d84b5735a708110c53fd"}

[commit-bot: I haz the power, 2017-03-26 03:45:57]

Description was changed from

==========
Add a few missing files (including a test) to base/BUILD.gn

BUG=661774
==========

to

==========
Add a few missing files (including a test) to base/BUILD.gn

BUG=661774

Review-Url: https://codereview.chromium.org/2774183002
Cr-Commit-Position: refs/heads/master@{#459670}
Committed:
https://chromium.googlesource.com/chromium/src/+/8318c659370c46679a96d84b5735...
==========

[commit-bot: I haz the power, 2017-03-26 03:45:58]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/8318c659370c46679a96d84b5735...