Log the GN args again in `mb gen`.

Log the GN args again in `mb gen`.

When I switched MB to write the GN args directly to args.gn
in the build directory, I dropped the logic that made sure
that got logged. Putting that back in.

TBR=krasin@chromium.org
BUG=603787
Committed: https://crrev.com/4ff8b9f33499e3ea73a95e02271ba75a4613b2e8
Cr-Commit-Position: refs/heads/master@{#387529}

[Dirk Pranke, 2016-04-15 01:41:46]

The CQ bit was checked by dpranke@chromium.org

[commit-bot: I haz the power, 2016-04-15 01:42:01]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1886973004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1886973004/1

[Dirk Pranke, 2016-04-15 01:42:07]

tbr'ing since this is a relatively simple build fix.

[krasin, 2016-04-15 01:53:15]

krasin@google.com changed reviewers:
+ krasin@google.com

[krasin, 2016-04-15 01:53:16]

LGTM

Thank you for the quick fix!

[commit-bot: I haz the power, 2016-04-15 03:08:07]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-15 03:09:11]

Description was changed from

==========
Log the GN args again in `mb gen`.

When I switched MB to write the GN args directly to args.gn
in the build directory, I dropped the logic that made sure
that got logged. Putting that back in.

TBR=krasin@chromium.org
BUG=603787
==========

to

==========
Log the GN args again in `mb gen`.

When I switched MB to write the GN args directly to args.gn
in the build directory, I dropped the logic that made sure
that got logged. Putting that back in.

TBR=krasin@chromium.org
BUG=603787

Committed: https://crrev.com/4ff8b9f33499e3ea73a95e02271ba75a4613b2e8
Cr-Commit-Position: refs/heads/master@{#387529}
==========

[commit-bot: I haz the power, 2016-04-15 03:09:11]

Patchset 1 (id:??) landed as
https://crrev.com/4ff8b9f33499e3ea73a95e02271ba75a4613b2e8
Cr-Commit-Position: refs/heads/master@{#387529}