Remove the GrGLInterface callback mechanism.

Remove the GrGLInterface callback mechanism.
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1836013002

Committed: https://skia.googlesource.com/skia/+/dec294375ad647382f02384e21fefbed9112fa40

[bsalomon, 2016-03-28 18:45:26]

Description was changed from

==========
Remove the GrGLInterface callback mechanism.
==========

to

==========
Remove the GrGLInterface callback mechanism.
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

[bsalomon, 2016-03-28 18:45:54]

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

[bsalomon, 2016-03-28 18:45:55]

This is no longer used by Chromium

[bsalomon, 2016-03-28 18:55:53]

The CQ bit was checked by bsalomon@google.com

[commit-bot: I haz the power, 2016-03-28 18:56:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1836013002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1836013002/1

[commit-bot: I haz the power, 2016-03-28 18:56:01]

Note for Reviewers:
The CQ is waiting for an approval.
If you believe that the CL is not ready yet, or if you would like to L-G-T-M
with comments then please uncheck the CQ checkbox.

Waiting for LGTM from valid reviewer(s) till 2016-03-29 00:56 UTC

[robertphillips, 2016-03-28 19:24:39]

lgtm

[commit-bot: I haz the power, 2016-03-28 19:25:12]

Description was changed from

==========
Remove the GrGLInterface callback mechanism.
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

to

==========
Remove the GrGLInterface callback mechanism.
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...

Committed:
https://skia.googlesource.com/skia/+/dec294375ad647382f02384e21fefbed9112fa40
==========

[commit-bot: I haz the power, 2016-03-28 19:25:13]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/dec294375ad647382f02384e21fefbed9112fa40