Support ARB extensions for indirect drawing

Support ARB extensions for indirect drawing

Adds support for the ARB extensions and fixes incorrect logic that was
being used on the GL version for indirect drawing.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2038743002

Committed: https://skia.googlesource.com/skia/+/5cebf8c82dfe3fc4110944f0db03d7fc85b7142a

[csmartdalton, 2016-06-03 05:57:37]

Description was changed from

==========
Support ARB extensions for indirect drawing

Adds support for the ARB extensions and fixes incorrect logic that was
being used on the GL version for indirect drawing.

BUG=skia:
==========

to

==========
Support ARB extensions for indirect drawing

Adds support for the ARB extensions and fixes incorrect logic that was
being used on the GL version for indirect drawing.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2038743002
==========

[csmartdalton, 2016-06-03 05:59:30]

csmartdalton@google.com changed reviewers:
+ bsalomon@google.com

[bsalomon, 2016-06-03 14:35:36]

lgtm

[csmartdalton, 2016-06-03 15:09:44]

The CQ bit was checked by csmartdalton@google.com

[commit-bot: I haz the power, 2016-06-03 15:09:56]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2038743002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2038743002/1

[commit-bot: I haz the power, 2016-06-03 15:28:49]

Description was changed from

==========
Support ARB extensions for indirect drawing

Adds support for the ARB extensions and fixes incorrect logic that was
being used on the GL version for indirect drawing.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2038743002
==========

to

==========
Support ARB extensions for indirect drawing

Adds support for the ARB extensions and fixes incorrect logic that was
being used on the GL version for indirect drawing.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2038743002

Committed:
https://skia.googlesource.com/skia/+/5cebf8c82dfe3fc4110944f0db03d7fc85b7142a
==========

[commit-bot: I haz the power, 2016-06-03 15:28:50]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/5cebf8c82dfe3fc4110944f0db03d7fc85b7142a