Revert of Add command buffer support for EXT_sRGB_write_control

Revert of Add command buffer support for EXT_sRGB_write_control (patchset #9 id:160001 of https://codereview.chromium.org/2519603002/ )

Reason for revert:
Breaks gl_tests on GPU FYI bots

BUG=670487
Original issue's description:
> Add command buffer support for EXT_sRGB_write_control
>
> This state is not set in the service side at glEnable/glDisable time.
> Instead, it is set during framebuffer validation, to accommodate
> driver bug workarounds on desktop.
>
> Move the logic for updating framebuffer SRGB in the decoder to
> a separate function, GLES2DecoderImpl::UpdateFramebufferSRGB.
>
> BUG=655247
> 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
>
> Committed: https://crrev.com/a48dcecc89523bf034b2138c308fc959380c8028
> Cr-Commit-Position: refs/heads/master@{#435631}

TBR=zmo@chromium.org,ccameron@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=655247
Committed: https://crrev.com/25a5b0aa58a30bbbffe5f2bb197436044ce80832
Cr-Commit-Position: refs/heads/master@{#435773}

[enne (OOO), 2016-12-01 23:50:39]

The CQ bit was checked by enne@chromium.org

[enne (OOO), 2016-12-01 23:50:40]

Created Revert of Add command buffer support for EXT_sRGB_write_control

[commit-bot: I haz the power, 2016-12-01 23:51:09]

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, 2016-12-01 23:51:56]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1480636239543710, "parent_rev":
"7fbc4847e1aeeb5e516eedf025e1ca64b831969d", "commit_rev":
"15525bd34330c993bff44969fd50e13c770b5f64"}

[commit-bot: I haz the power, 2016-12-01 23:52:30]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-01 23:55:12]

Description was changed from

==========
Revert of Add command buffer support for EXT_sRGB_write_control (patchset #9
id:160001 of https://codereview.chromium.org/2519603002/ )

Reason for revert:
Breaks gl_tests on GPU FYI bots

BUG=670487

Original issue's description:
> Add command buffer support for EXT_sRGB_write_control
> 
> This state is not set in the service side at glEnable/glDisable time.
> Instead, it is set during framebuffer validation, to accommodate
> driver bug workarounds on desktop.
> 
> Move the logic for updating framebuffer SRGB in the decoder to
> a separate function, GLES2DecoderImpl::UpdateFramebufferSRGB.
> 
> BUG=655247
>
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
> 
> Committed: https://crrev.com/a48dcecc89523bf034b2138c308fc959380c8028
> Cr-Commit-Position: refs/heads/master@{#435631}

TBR=zmo@chromium.org,ccameron@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=655247
==========

to

==========
Revert of Add command buffer support for EXT_sRGB_write_control (patchset #9
id:160001 of https://codereview.chromium.org/2519603002/ )

Reason for revert:
Breaks gl_tests on GPU FYI bots

BUG=670487

Original issue's description:
> Add command buffer support for EXT_sRGB_write_control
>
> This state is not set in the service side at glEnable/glDisable time.
> Instead, it is set during framebuffer validation, to accommodate
> driver bug workarounds on desktop.
>
> Move the logic for updating framebuffer SRGB in the decoder to
> a separate function, GLES2DecoderImpl::UpdateFramebufferSRGB.
>
> BUG=655247
>
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
>
> Committed: https://crrev.com/a48dcecc89523bf034b2138c308fc959380c8028
> Cr-Commit-Position: refs/heads/master@{#435631}

TBR=zmo@chromium.org,ccameron@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=655247

Committed: https://crrev.com/25a5b0aa58a30bbbffe5f2bb197436044ce80832
Cr-Commit-Position: refs/heads/master@{#435773}
==========

[commit-bot: I haz the power, 2016-12-01 23:55:13]

Patchset 1 (id:??) landed as
https://crrev.com/25a5b0aa58a30bbbffe5f2bb197436044ce80832
Cr-Commit-Position: refs/heads/master@{#435773}