Add hairlines batch unit test

Add hairlines batch unit test

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/40ded3241894076237844325c015fcc724e9d443

[joshualitt, 2015-04-29 21:15:14]

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

[joshualitt, 2015-04-29 21:15:14]

ptal

[robertphillips, 2015-04-30 13:39:58]

lgtm + nits

https://codereview.chromium.org/1119563002/diff/20001/src/gpu/GrTestUtils.cpp
File src/gpu/GrTestUtils.cpp (right):

https://codereview.chromium.org/1119563002/diff/20001/src/gpu/GrTestUtils.cpp...
src/gpu/GrTestUtils.cpp:125: if (!gOnce) {
gOnce = true ?

https://codereview.chromium.org/1119563002/diff/20001/src/gpu/GrTestUtils.cpp...
src/gpu/GrTestUtils.cpp:143: gPath[4].cubicTo(10.f, 10.f, 20.f, 20.f, 30.f,
30.f);
// convex
gPath[5].moveTo(0.0f, 0.0f);
gPath[5].lineTo(10.0f, 0.0f);
gPath[5].lineTo(10.0f, 10.0f);
gPath[5].lineTo(0.0f, 10.0f);
gPath[5].close();
// concave
gPath[6].moveTo(0.0f, 0.0f);
gPath[6].lineTo(5.0f, 5.0f);
gPath[6].lineTo(10.0f, 0.0f);
gPath[6].lineTo(10.0f, 10.0f);
gPath[6].lineTo(0.0f, 10.0f);
gPath[6].close();

?

[joshualitt, 2015-05-01 21:00:31]

Brian, can I get a rubber stamp?

[bsalomon, 2015-05-01 21:15:46]

On 2015/05/01 21:00:31, joshualitt wrote:
> Brian, can I get a rubber stamp?

lgtm

[joshualitt, 2015-05-02 13:58:51]

The CQ bit was checked by joshualitt@google.com

[joshualitt, 2015-05-02 13:58:52]

The patchset sent to the CQ was uploaded after l-g-t-m from
robertphillips@google.com
Link to the patchset: https://codereview.chromium.org/1119563002/#ps80001
(title: "cleanup")

[commit-bot: I haz the power, 2015-05-02 13:58:55]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1119563002/80001

[commit-bot: I haz the power, 2015-05-02 14:07:22]

Committed patchset #5 (id:80001) as
https://skia.googlesource.com/skia/+/40ded3241894076237844325c015fcc724e9d443