Revert of [gn] Switch custom snapsot bot to gn

Revert of [gn] Switch custom snapsot bot to gn (patchset #2 id:20001 of https://codereview.chromium.org/2113583002/ )

Reason for revert:
Breaks...

Original issue's description:
> [gn] Switch custom snapsot bot to gn
>
> BUG=chromium:474921
> NOTRY=true
>
> Committed: https://crrev.com/52a43518abe9143a14ded92a89bd3384a47e9193
> Cr-Commit-Position: refs/heads/master@{#37431}

TBR=yangguo@chromium.org,vogelheim@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:474921
Committed: https://crrev.com/33ceb9e5d6a38178d7abd7eb5ac46b6393305c96
Cr-Commit-Position: refs/heads/master@{#37434}

[Michael Achenbach, 2016-06-30 11:13:28]

The CQ bit was checked by machenbach@chromium.org

[Michael Achenbach, 2016-06-30 11:13:28]

Created Revert of [gn] Switch custom snapsot bot to gn

[commit-bot: I haz the power, 2016-06-30 11:13:40]

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, 2016-06-30 11:13:56]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-30 11:14:31]

Description was changed from

==========
Revert of [gn] Switch custom snapsot bot to gn (patchset #2 id:20001 of
https://codereview.chromium.org/2113583002/ )

Reason for revert:
Breaks...

Original issue's description:
> [gn] Switch custom snapsot bot to gn
> 
> BUG=chromium:474921
> NOTRY=true
> 
> Committed: https://crrev.com/52a43518abe9143a14ded92a89bd3384a47e9193
> Cr-Commit-Position: refs/heads/master@{#37431}

TBR=yangguo@chromium.org,vogelheim@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:474921
==========

to

==========
Revert of [gn] Switch custom snapsot bot to gn (patchset #2 id:20001 of
https://codereview.chromium.org/2113583002/ )

Reason for revert:
Breaks...

Original issue's description:
> [gn] Switch custom snapsot bot to gn
>
> BUG=chromium:474921
> NOTRY=true
>
> Committed: https://crrev.com/52a43518abe9143a14ded92a89bd3384a47e9193
> Cr-Commit-Position: refs/heads/master@{#37431}

TBR=yangguo@chromium.org,vogelheim@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:474921

Committed: https://crrev.com/33ceb9e5d6a38178d7abd7eb5ac46b6393305c96
Cr-Commit-Position: refs/heads/master@{#37434}
==========

[commit-bot: I haz the power, 2016-06-30 11:14:32]

Patchset 1 (id:??) landed as
https://crrev.com/33ceb9e5d6a38178d7abd7eb5ac46b6393305c96
Cr-Commit-Position: refs/heads/master@{#37434}