Test that GrFragmentProcessors work without input colors.

Test that GrFragmentProcessors work without input colors.

Committed: https://skia.googlesource.com/skia/+/72c58e7052af2a0855412ce4b249f977069db751

Committed: https://skia.googlesource.com/skia/+/b5b603241aaa99e07dc4e12ca9f2661aa85e5f74

[bsalomon, 2015-09-14 16:26:09]

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

[joshualitt, 2015-09-14 17:50:34]

On 2015/09/14 16:26:10, bsalomon wrote:

lgtm, but the lack of name mangling in GrComposeShader could be problematic

[bsalomon, 2015-09-14 18:49:44]

The CQ bit was checked by bsalomon@google.com

[commit-bot: I haz the power, 2015-09-14 18:49:51]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1341853002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1341853002/20001

[commit-bot: I haz the power, 2015-09-14 18:55:55]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/72c58e7052af2a0855412ce4b249f977069db751

[bsalomon, 2015-09-14 19:01:22]

A revert of this CL (patchset #2 id:20001) has been created in
https://codereview.chromium.org/1338403003/ by bsalomon@google.com.

The reason for reverting is: Need to fix up more processor subclasses..

[bsalomon, 2015-09-14 19:20:08]

The CQ bit was checked by bsalomon@google.com

[bsalomon, 2015-09-14 19:20:09]

The patchset sent to the CQ was uploaded after l-g-t-m from
joshualitt@google.com
Link to the patchset: https://codereview.chromium.org/1341853002/#ps40001
(title: "Update more FPs")

[commit-bot: I haz the power, 2015-09-14 19:20:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1341853002/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1341853002/40001

[commit-bot: I haz the power, 2015-09-14 19:26:36]

Committed patchset #3 (id:40001) as
https://skia.googlesource.com/skia/+/b5b603241aaa99e07dc4e12ca9f2661aa85e5f74