Revert of Reland "Added an extra sync token field for extra command buffer..."

Revert of Reland "Added an extra sync token field for extra command buffer..." (patchset #4 id:60001 of https://codereview.chromium.org/1499813003/ )

Reason for revert:
Experimental revert - this might be the reason why all gl_tests are failing on Jelly Bean Tester? See https://crbug.com/568628.

Original issue's description:
> Reland "Added an extra sync token field for extra command buffer..."
> 
> This reverts commit 5097a2103f86741a7d0e6567e57759be939182b0.
> 
> R=dalecurtis@chromium.org, dcheng@chromium.org, piman@chromium.org, sky@chromium.org
> BUG=514815, 566291
> 
> Committed: https://crrev.com/1ed246478fcfa39bcf1f617ae35cfc4fdf5bad8b
> Cr-Commit-Position: refs/heads/master@{#363922}

TBR=dcheng@chromium.org,dalecurtis@chromium.org,piman@chromium.org,sky@chromium.org,inferno@chromium.org,aarya@google.com,dyen@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=514815, 566291, 568628

[johnme, 2015-12-10 16:48:43]

Created Revert of Reland "Added an extra sync token field for extra command
buffer..."

[johnme, 2015-12-10 16:53:13]

Description was changed from

==========
Revert of Reland "Added an extra sync token field for extra command buffer..."
(patchset #4 id:60001 of https://codereview.chromium.org/1499813003/ )

Reason for revert:
Experimental revert - this might be the reason why all gl_tests are failing on
Jelly Bean Tester. See https://crbug.com/568628.

Original issue's description:
> Reland "Added an extra sync token field for extra command buffer..."
> 
> This reverts commit 5097a2103f86741a7d0e6567e57759be939182b0.
> 
> R=dalecurtis@chromium.org, dcheng@chromium.org, piman@chromium.org,
sky@chromium.org
> BUG=514815, 566291
> 
> Committed: https://crrev.com/1ed246478fcfa39bcf1f617ae35cfc4fdf5bad8b
> Cr-Commit-Position: refs/heads/master@{#363922}

TBR=dcheng@chromium.org,dalecurtis@chromium.org,piman@chromium.org,sky@chromi...
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=514815, 566291
==========

to

==========
Revert of Reland "Added an extra sync token field for extra command buffer..."
(patchset #4 id:60001 of https://codereview.chromium.org/1499813003/ )

Reason for revert:
Experimental revert - this might be the reason why all gl_tests are failing on
Jelly Bean Tester? See https://crbug.com/568628.

Original issue's description:
> Reland "Added an extra sync token field for extra command buffer..."
> 
> This reverts commit 5097a2103f86741a7d0e6567e57759be939182b0.
> 
> R=dalecurtis@chromium.org, dcheng@chromium.org, piman@chromium.org,
sky@chromium.org
> BUG=514815, 566291
> 
> Committed: https://crrev.com/1ed246478fcfa39bcf1f617ae35cfc4fdf5bad8b
> Cr-Commit-Position: refs/heads/master@{#363922}

TBR=dcheng@chromium.org,dalecurtis@chromium.org,piman@chromium.org,sky@chromi...
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=514815, 566291, 568628
==========

[johnme, 2015-12-10 16:54:20]

Cancelled revert - I'm no longer convinced this is the cause.