Handle single pixel case on repeat bilerp.

Handle single pixel case on tiled.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2041813004

Committed: https://skia.googlesource.com/skia/+/f1af0e910340475947ed5ea9554d07e7d221c022

[herb_g, 2016-06-07 21:01:33]

Description was changed from

==========
Handle single pixel case on tiled.

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

to

==========
Handle single pixel case on tiled.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2041813004
==========

[herb_g, 2016-06-07 21:02:43]

Description was changed from

==========
Handle single pixel case on tiled.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2041813004
==========

to

==========
Handle single pixel case on tiled.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2041813004
==========

[herb_g, 2016-06-07 21:02:44]

herb@google.com changed reviewers:
+ mtklein@google.com

[herb_g, 2016-06-07 21:03:19]

Sample App works. Tested with:
dm --matrix 1.1 0 0 1.1 --config matrix-srgb  -w out/test --match gamma
--verbose --threads 1

[mtklein, 2016-06-08 15:43:48]

lgtm

[herb_g, 2016-06-08 15:44:27]

The CQ bit was checked by herb@google.com

[commit-bot: I haz the power, 2016-06-08 15:44:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2041813004/1

[commit-bot: I haz the power, 2016-06-08 15:57:26]

Description was changed from

==========
Handle single pixel case on tiled.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2041813004
==========

to

==========
Handle single pixel case on tiled.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2041813004

Committed:
https://skia.googlesource.com/skia/+/f1af0e910340475947ed5ea9554d07e7d221c022
==========

[commit-bot: I haz the power, 2016-06-08 15:57:27]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/f1af0e910340475947ed5ea9554d07e7d221c022