fix skiaserve crash

fix skiaserve crash

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1659703004

Committed: https://skia.googlesource.com/skia/+/a341b90c7fc68f7ccdcf024ed753dcc6781a823e

[joshua.litt, 2016-02-02 14:06:35]

Description was changed from

==========
fix skiaserve crash

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

to

==========
fix skiaserve crash

BUG=skia:
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

[joshualitt, 2016-02-02 14:06:48]

joshualitt@google.com changed reviewers:
+ jcgregorio@google.com, joshualitt@google.com

[joshualitt, 2016-02-02 14:06:49]

ptal

[jcgregorio, 2016-02-02 14:08:20]

lgtm

[joshualitt, 2016-02-02 15:21:54]

The CQ bit was checked by joshualitt@google.com

[commit-bot: I haz the power, 2016-02-02 15:22:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1659703004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1659703004/1

[commit-bot: I haz the power, 2016-02-02 15:37:28]

Description was changed from

==========
fix skiaserve crash

BUG=skia:
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

to

==========
fix skiaserve crash

BUG=skia:
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...

Committed:
https://skia.googlesource.com/skia/+/a341b90c7fc68f7ccdcf024ed753dcc6781a823e
==========

[commit-bot: I haz the power, 2016-02-02 15:37:28]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/a341b90c7fc68f7ccdcf024ed753dcc6781a823e