Revert of Remove unsafe cast from ImageTransportSurfaceOverlayMac::ScheduleCALayer.

Revert of Remove unsafe cast from ImageTransportSurfaceOverlayMac::ScheduleCALayer. (patchset #2 id:20001 of https://codereview.chromium.org/2106843002/ )

Reason for revert:
Broke 3d transforms, see: https://crbug.com/624256

Original issue's description:
> Remove unsafe cast from ImageTransportSurfaceOverlayMac::ScheduleCALayer.
> 
> Create an enum class Type in GLImage, which allows for safe downcasting.
> 
> BUG=619698
> CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_optional_gpu_tests_rel;tryserver.chromium.mac:mac_optional_gpu_tests_rel;tryserver.chromium.win:win_optional_gpu_tests_rel
> 
> Committed: https://crrev.com/ccd5fbaca5867773830b38ea64c2a79f932f6478
> Cr-Commit-Position: refs/heads/master@{#402582}

TBR=piman@chromium.org,erikchen@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=619698, 624256

[pdr., 2016-06-30 00:04:22]

The CQ bit was checked by pdr@chromium.org

[pdr., 2016-06-30 00:04:22]

Created Revert of Remove unsafe cast from
ImageTransportSurfaceOverlayMac::ScheduleCALayer.

[commit-bot: I haz the power, 2016-06-30 00:05:22]

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 01:24:45]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-30 01:26:18]

Description was changed from

==========
Revert of Remove unsafe cast from
ImageTransportSurfaceOverlayMac::ScheduleCALayer. (patchset #2 id:20001 of
https://codereview.chromium.org/2106843002/ )

Reason for revert:
Broke 3d transforms, see: https://crbug.com/624256

Original issue's description:
> Remove unsafe cast from ImageTransportSurfaceOverlayMac::ScheduleCALayer.
> 
> Create an enum class Type in GLImage, which allows for safe downcasting.
> 
> BUG=619698
>
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_optional_gpu_tests_rel;tryserver.chromium.mac:mac_optional_gpu_tests_rel;tryserver.chromium.win:win_optional_gpu_tests_rel
> 
> Committed: https://crrev.com/ccd5fbaca5867773830b38ea64c2a79f932f6478
> Cr-Commit-Position: refs/heads/master@{#402582}

TBR=piman@chromium.org,erikchen@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=619698
==========

to

==========
Revert of Remove unsafe cast from
ImageTransportSurfaceOverlayMac::ScheduleCALayer. (patchset #2 id:20001 of
https://codereview.chromium.org/2106843002/ )

Reason for revert:
Broke 3d transforms, see: https://crbug.com/624256

Original issue's description:
> Remove unsafe cast from ImageTransportSurfaceOverlayMac::ScheduleCALayer.
>
> Create an enum class Type in GLImage, which allows for safe downcasting.
>
> BUG=619698
>
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_optional_gpu_tests_rel;tryserver.chromium.mac:mac_optional_gpu_tests_rel;tryserver.chromium.win:win_optional_gpu_tests_rel
>
> Committed: https://crrev.com/ccd5fbaca5867773830b38ea64c2a79f932f6478
> Cr-Commit-Position: refs/heads/master@{#402582}

TBR=piman@chromium.org,erikchen@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=619698

Committed: https://crrev.com/a6429905f0b03788c5d6a4280f2a415c93e12c0b
Cr-Commit-Position: refs/heads/master@{#403055}
==========

[pdr., 2016-06-30 01:26:18]

Description was changed from

==========
Revert of Remove unsafe cast from
ImageTransportSurfaceOverlayMac::ScheduleCALayer. (patchset #2 id:20001 of
https://codereview.chromium.org/2106843002/ )

Reason for revert:
Broke 3d transforms, see: https://crbug.com/624256

Original issue's description:
> Remove unsafe cast from ImageTransportSurfaceOverlayMac::ScheduleCALayer.
> 
> Create an enum class Type in GLImage, which allows for safe downcasting.
> 
> BUG=619698
>
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_optional_gpu_tests_rel;tryserver.chromium.mac:mac_optional_gpu_tests_rel;tryserver.chromium.win:win_optional_gpu_tests_rel
> 
> Committed: https://crrev.com/ccd5fbaca5867773830b38ea64c2a79f932f6478
> Cr-Commit-Position: refs/heads/master@{#402582}

TBR=piman@chromium.org,erikchen@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=619698
==========

to

==========
Revert of Remove unsafe cast from
ImageTransportSurfaceOverlayMac::ScheduleCALayer. (patchset #2 id:20001 of
https://codereview.chromium.org/2106843002/ )

Reason for revert:
Broke 3d transforms, see: https://crbug.com/624256

Original issue's description:
> Remove unsafe cast from ImageTransportSurfaceOverlayMac::ScheduleCALayer.
> 
> Create an enum class Type in GLImage, which allows for safe downcasting.
> 
> BUG=619698
>
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_optional_gpu_tests_rel;tryserver.chromium.mac:mac_optional_gpu_tests_rel;tryserver.chromium.win:win_optional_gpu_tests_rel
> 
> Committed: https://crrev.com/ccd5fbaca5867773830b38ea64c2a79f932f6478
> Cr-Commit-Position: refs/heads/master@{#402582}

TBR=piman@chromium.org,erikchen@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=619698,624256
==========

[commit-bot: I haz the power, 2016-06-30 01:26:19]

Patchset 1 (id:??) landed as
https://crrev.com/a6429905f0b03788c5d6a4280f2a415c93e12c0b
Cr-Commit-Position: refs/heads/master@{#403055}