Add documentation about no sources for GN guide.

Add documentation about no sources for GN guide.

This just adds another consideration for source sets versus static libraries.

TBR=dpranke

Committed: https://crrev.com/120e860e372e1654422696dcb8ab49a22e438d78
Cr-Commit-Position: refs/heads/master@{#401103}

[brettw, 2016-06-21 19:49:09]

The CQ bit was checked by brettw@chromium.org

[commit-bot: I haz the power, 2016-06-21 19:49:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2082103002/1

[Dirk Pranke, 2016-06-21 19:52:11]

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

[Dirk Pranke, 2016-06-21 19:52:12]

lgtm

[commit-bot: I haz the power, 2016-06-21 20:50:19]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-21 20:52:27]

Description was changed from

==========
Add documentation about no sources for GN guide.

This just adds another consideration for source sets versus static libraries.

TBR=dpranke
==========

to

==========
Add documentation about no sources for GN guide.

This just adds another consideration for source sets versus static libraries.

TBR=dpranke

Committed: https://crrev.com/120e860e372e1654422696dcb8ab49a22e438d78
Cr-Commit-Position: refs/heads/master@{#401103}
==========

[commit-bot: I haz the power, 2016-06-21 20:52:28]

Patchset 1 (id:??) landed as
https://crrev.com/120e860e372e1654422696dcb8ab49a22e438d78
Cr-Commit-Position: refs/heads/master@{#401103}