fix teeny dashed path bug

fix teeny dashed path bug

If the path dashed is sufficiently small, there may be no
segments generated to dash. Check for an empty segment list.

R=reed@google.com
BUG=skia:4871
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1645613006

Committed: https://skia.googlesource.com/skia/+/703348f5fac69dbedf22cda2ce264d2c9683bcf3

[caryclark, 2016-01-29 16:21:08]

Description was changed from

==========
fix teeny dashed path bug

If the path dashed is sufficiently small, there may be no
segments generated to dash. Check for an empty segment list.

R=reed@google.com
BUG=skia:4871
==========

to

==========
fix teeny dashed path bug

If the path dashed is sufficiently small, there may be no
segments generated to dash. Check for an empty segment list.

R=reed@google.com
BUG=skia:4871
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

[caryclark, 2016-01-29 16:21:58]

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

[commit-bot: I haz the power, 2016-01-29 16:22:03]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1645613006/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1645613006/1

[commit-bot: I haz the power, 2016-01-29 16:46:59]

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

[commit-bot: I haz the power, 2016-01-29 16:46:59]

Dry run: This issue passed the CQ dry run.

[caryclark, 2016-01-29 17:50:49]

PTAL

[f(malita), 2016-01-29 17:51:51]

fmalita@chromium.org changed reviewers:
+ fmalita@chromium.org

[f(malita), 2016-01-29 17:51:52]

lgtm

[caryclark, 2016-01-29 17:53:23]

The CQ bit was checked by caryclark@google.com

[commit-bot: I haz the power, 2016-01-29 17:53:27]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1645613006/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1645613006/1

[commit-bot: I haz the power, 2016-01-29 17:54:29]

Description was changed from

==========
fix teeny dashed path bug

If the path dashed is sufficiently small, there may be no
segments generated to dash. Check for an empty segment list.

R=reed@google.com
BUG=skia:4871
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

to

==========
fix teeny dashed path bug

If the path dashed is sufficiently small, there may be no
segments generated to dash. Check for an empty segment list.

R=reed@google.com
BUG=skia:4871
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...

Committed:
https://skia.googlesource.com/skia/+/703348f5fac69dbedf22cda2ce264d2c9683bcf3
==========

[commit-bot: I haz the power, 2016-01-29 17:54:30]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/703348f5fac69dbedf22cda2ce264d2c9683bcf3