Revert of Revert "Add (another) argument to break git locks in gclient."

Revert of Revert "Add (another) argument to break git locks in gclient." (patchset #1 id:1 of https://codereview.chromium.org/1865403003/ )

Reason for revert:
This revert breaks /everything/

Original issue's description:
> Revert "Add (another) argument to break git locks in gclient."
> 
> This reverts commit 51797b1d8f24a26aa7f9c23212e06ed2b6cfc0e9.
> 
> BUG=601564
> TBR=iannucci,dpranke,estaab,pgervais
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=299771

TBR=dpranke@google.com,estaab@chromium.org,pgervais@chromium.org,smut@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=601564
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=299773

[iannucci, 2016-04-07 21:35:03]

Created Revert of Revert "Add (another) argument to break git locks in gclient."

[commit-bot: I haz the power, 2016-04-07 21:35:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1867843003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1867843003/1

[commit-bot: I haz the power, 2016-04-07 21:35:19]

Description was changed from

==========
Revert of Revert "Add (another) argument to break git locks in gclient."
(patchset #1 id:1 of https://codereview.chromium.org/1865403003/ )

Reason for revert:
This revert breaks /everything/

Original issue's description:
> Revert "Add (another) argument to break git locks in gclient."
> 
> This reverts commit 51797b1d8f24a26aa7f9c23212e06ed2b6cfc0e9.
> 
> BUG=601564
> TBR=iannucci,dpranke,estaab,pgervais
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=299771

TBR=dpranke@google.com,estaab@chromium.org,pgervais@chromium.org,smut@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=601564
==========

to

==========
Revert of Revert "Add (another) argument to break git locks in gclient."
(patchset #1 id:1 of https://codereview.chromium.org/1865403003/ )

Reason for revert:
This revert breaks /everything/

Original issue's description:
> Revert "Add (another) argument to break git locks in gclient."
> 
> This reverts commit 51797b1d8f24a26aa7f9c23212e06ed2b6cfc0e9.
> 
> BUG=601564
> TBR=iannucci,dpranke,estaab,pgervais
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=299771

TBR=dpranke@google.com,estaab@chromium.org,pgervais@chromium.org,smut@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=601564

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=299773
==========

[commit-bot: I haz the power, 2016-04-07 21:35:20]

Committed patchset #1 (id:1) as
http://src.chromium.org/viewvc/chrome?view=rev&revision=299773