added SkSL support for mustForceNegatedAtanParamToFloat cap

added SkSL support for mustForceNegatedAtanParamToFloat cap

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2413363002

Committed: https://skia.googlesource.com/skia/+/ad146f6ef5d2de94bd2d8c678757a6274844d20e

[ethannicholas, 2016-10-13 20:34:27]

Description was changed from

==========
added SkSL support for mustForceNegatedAtanParamToFloat cap

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

to

==========
added SkSL support for mustForceNegatedAtanParamToFloat cap

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2413363002
==========

[ethannicholas, 2016-10-13 20:35:01]

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

[commit-bot: I haz the power, 2016-10-13 20:35:04]

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

[ethannicholas, 2016-10-13 20:41:03]

ethannicholas@google.com changed reviewers:
+ benjaminwagner@google.com, egdaniel@google.com

[dogben, 2016-10-14 00:03:47]

lgtm

[ethannicholas, 2016-10-14 13:08:43]

The CQ bit was checked by ethannicholas@google.com

[commit-bot: I haz the power, 2016-10-14 13:08:48]

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, 2016-10-14 13:40:04]

Description was changed from

==========
added SkSL support for mustForceNegatedAtanParamToFloat cap

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2413363002
==========

to

==========
added SkSL support for mustForceNegatedAtanParamToFloat cap

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2413363002

Committed:
https://skia.googlesource.com/skia/+/ad146f6ef5d2de94bd2d8c678757a6274844d20e
==========

[commit-bot: I haz the power, 2016-10-14 13:40:05]

Committed patchset #3 (id:40001) as
https://skia.googlesource.com/skia/+/ad146f6ef5d2de94bd2d8c678757a6274844d20e