Add tests for gamma correction of gradient stops to gamma GM

Add tests for gamma correction of gradient stops to gamma GM

Includes three different cases to exercise different cases in Ganesh.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2336973003

Committed: https://skia.googlesource.com/skia/+/490452ec4743813b9508e6fe78755ae9e006dbe2

[Brian Osman, 2016-09-13 14:19:58]

Description was changed from

==========
Add tests for gamma correction of gradient stops to gamma GM

Includes three different cases to exercise different cases in Ganesh.

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

to

==========
Add tests for gamma correction of gradient stops to gamma GM

Includes three different cases to exercise different cases in Ganesh.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2336973003
==========

[Brian Osman, 2016-09-13 14:23:58]

The CQ bit was checked by brianosman@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-09-13 14:24:07]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Brian Osman, 2016-09-13 14:24:55]

brianosman@google.com changed reviewers:
+ fmalita@chromium.org, mtklein@google.com, reed@google.com

[Brian Osman, 2016-09-13 14:24:56]

Raster backend appears to do the right thing here. GPU doesn't (yet).

[commit-bot: I haz the power, 2016-09-13 14:57:49]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-09-13 14:57:50]

Dry run: This issue passed the CQ dry run.

[f(malita), 2016-09-13 15:20:17]

lgtm

[Brian Osman, 2016-09-13 15:23:32]

The CQ bit was checked by brianosman@google.com

[commit-bot: I haz the power, 2016-09-13 15:23:46]

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, 2016-09-13 15:24:57]

Description was changed from

==========
Add tests for gamma correction of gradient stops to gamma GM

Includes three different cases to exercise different cases in Ganesh.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2336973003
==========

to

==========
Add tests for gamma correction of gradient stops to gamma GM

Includes three different cases to exercise different cases in Ganesh.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2336973003

Committed:
https://skia.googlesource.com/skia/+/490452ec4743813b9508e6fe78755ae9e006dbe2
==========

[commit-bot: I haz the power, 2016-09-13 15:24:58]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/490452ec4743813b9508e6fe78755ae9e006dbe2