Revert of ReadPixels with GL_HALF_FLOAT_OES when targetting all versions of ES.

Revert of ReadPixels with GL_HALF_FLOAT_OES when targetting all versions of ES. (patchset #1 id:1 of https://codereview.chromium.org/2374123002/ )

Reason for revert:
Flaky results in WebglConformance_conformance_extensions_oes_texture_half_float on win_optional_gpu_tests_rel.

Original issue's description:
> ReadPixels with GL_HALF_FLOAT_OES when targetting all versions of ES.
>
> BUG=607283
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel
>
> Committed: https://crrev.com/2d1b397c9a057651edbd3ef70266cb0727671baa
> Cr-Commit-Position: refs/heads/master@{#421614}

TBR=zmo@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=607283
Committed: https://crrev.com/fc240d705399238dbf29e20ff34735b81cc51cb5
Cr-Commit-Position: refs/heads/master@{#421661}

[Geoff Lang, 2016-09-28 22:27:01]

The CQ bit was checked by geofflang@chromium.org

[Geoff Lang, 2016-09-28 22:27:02]

Created Revert of ReadPixels with GL_HALF_FLOAT_OES when targetting all versions
of ES.

[commit-bot: I haz the power, 2016-09-28 22:27:31]

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, 2016-09-28 22:28:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-28 22:30:49]

Description was changed from

==========
Revert of ReadPixels with GL_HALF_FLOAT_OES when targetting all versions of ES.
(patchset #1 id:1 of https://codereview.chromium.org/2374123002/ )

Reason for revert:
Flaky results in WebglConformance_conformance_extensions_oes_texture_half_float
on win_optional_gpu_tests_rel.

Original issue's description:
> ReadPixels with GL_HALF_FLOAT_OES when targetting all versions of ES.
> 
> BUG=607283
>
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel
> 
> Committed: https://crrev.com/2d1b397c9a057651edbd3ef70266cb0727671baa
> Cr-Commit-Position: refs/heads/master@{#421614}

TBR=zmo@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=607283
==========

to

==========
Revert of ReadPixels with GL_HALF_FLOAT_OES when targetting all versions of ES.
(patchset #1 id:1 of https://codereview.chromium.org/2374123002/ )

Reason for revert:
Flaky results in WebglConformance_conformance_extensions_oes_texture_half_float
on win_optional_gpu_tests_rel.

Original issue's description:
> ReadPixels with GL_HALF_FLOAT_OES when targetting all versions of ES.
>
> BUG=607283
>
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel
>
> Committed: https://crrev.com/2d1b397c9a057651edbd3ef70266cb0727671baa
> Cr-Commit-Position: refs/heads/master@{#421614}

TBR=zmo@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=607283

Committed: https://crrev.com/fc240d705399238dbf29e20ff34735b81cc51cb5
Cr-Commit-Position: refs/heads/master@{#421661}
==========

[commit-bot: I haz the power, 2016-09-28 22:30:50]

Patchset 1 (id:??) landed as
https://crrev.com/fc240d705399238dbf29e20ff34735b81cc51cb5
Cr-Commit-Position: refs/heads/master@{#421661}