Revert of Support GL_SAMPLES queries in null contexts

Revert of Support GL_SAMPLES queries in null contexts (patchset #2 id:20001 of https://codereview.chromium.org/2085043002/ )

Reason for revert:
Chrome unit tests failing (eg https://codereview.chromium.org/2085243002)

Original issue's description:
> Support GL_SAMPLES queries in null contexts
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2085043002
> 
> Committed: https://skia.googlesource.com/skia/+/64b92a59294a2f73448b3fa8f36f39079f032521

TBR=bsalomon@google.com,csmartdalton@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed: https://skia.googlesource.com/skia/+/e6865a09d1badfa9f764bdca6de4a16e29123e6c

[Brian Osman, 2016-06-22 12:57:00]

The CQ bit was checked by brianosman@google.com

[Brian Osman, 2016-06-22 12:57:00]

Created Revert of Support GL_SAMPLES queries in null contexts

[commit-bot: I haz the power, 2016-06-22 12:57:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2089013003/1

[commit-bot: I haz the power, 2016-06-22 12:57:20]

Description was changed from

==========
Revert of Support GL_SAMPLES queries in null contexts (patchset #2 id:20001 of
https://codereview.chromium.org/2085043002/ )

Reason for revert:
Chrome unit tests failing (eg https://codereview.chromium.org/2085243002)

Original issue's description:
> Support GL_SAMPLES queries in null contexts
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2085043002
> 
> Committed:
https://skia.googlesource.com/skia/+/64b92a59294a2f73448b3fa8f36f39079f032521

TBR=bsalomon@google.com,csmartdalton@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
==========

to

==========
Revert of Support GL_SAMPLES queries in null contexts (patchset #2 id:20001 of
https://codereview.chromium.org/2085043002/ )

Reason for revert:
Chrome unit tests failing (eg https://codereview.chromium.org/2085243002)

Original issue's description:
> Support GL_SAMPLES queries in null contexts
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2085043002
> 
> Committed:
https://skia.googlesource.com/skia/+/64b92a59294a2f73448b3fa8f36f39079f032521

TBR=bsalomon@google.com,csmartdalton@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed:
https://skia.googlesource.com/skia/+/e6865a09d1badfa9f764bdca6de4a16e29123e6c
==========

[commit-bot: I haz the power, 2016-06-22 12:57:21]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/e6865a09d1badfa9f764bdca6de4a16e29123e6c