Let gn_helpers.py handle unicode as str

Let gn_helpers.py handle unicode as str

For some reason, cros_chrome_sdk_unittests passes values as a unicode
object, instead of a str.

BUG=561142
Committed: https://crrev.com/7bf1d0a550d8bb3eea5e3a2a458c27512c3891a5
Cr-Commit-Position: refs/heads/master@{#384839}

[hashimoto, 2016-04-01 05:01:11]

hashimoto@chromium.org changed reviewers:
+ dpranke@chromium.org

[Dirk Pranke, 2016-04-01 20:36:11]

lgtm

[hashimoto, 2016-04-04 00:34:42]

The CQ bit was checked by hashimoto@chromium.org

[commit-bot: I haz the power, 2016-04-04 00:34:51]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1851723002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1851723002/1

[commit-bot: I haz the power, 2016-04-04 01:02:00]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-04 01:03:33]

Description was changed from

==========
Let gn_helpers.py handle unicode as str

For some reason, cros_chrome_sdk_unittests passes values as a unicode
object, instead of a str.

BUG=561142
==========

to

==========
Let gn_helpers.py handle unicode as str

For some reason, cros_chrome_sdk_unittests passes values as a unicode
object, instead of a str.

BUG=561142

Committed: https://crrev.com/7bf1d0a550d8bb3eea5e3a2a458c27512c3891a5
Cr-Commit-Position: refs/heads/master@{#384839}
==========

[commit-bot: I haz the power, 2016-04-04 01:03:34]

Patchset 1 (id:??) landed as
https://crrev.com/7bf1d0a550d8bb3eea5e3a2a458c27512c3891a5
Cr-Commit-Position: refs/heads/master@{#384839}