Fix memory leaks in SurfaceClear_Gpu test

Fix memory leaks in SurfaceClear_Gpu test

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1672083002

Committed: https://skia.googlesource.com/skia/+/2fba80912027999b560a97a832948c37ab36acfe

[bsalomon, 2016-02-05 21:10:17]

Description was changed from

==========
Fix memory leaks in SurfaceClear_Gpu test

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

to

==========
Fix memory leaks in SurfaceClear_Gpu test

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

[bsalomon, 2016-02-05 21:10:54]

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

[bsalomon, 2016-02-05 21:10:57]

The CQ bit was checked by bsalomon@google.com

[commit-bot: I haz the power, 2016-02-05 21:11:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1672083002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1672083002/1

[commit-bot: I haz the power, 2016-02-05 21:11:00]

Note for Reviewers:
The CQ is waiting for an approval.
If you believe that the CL is not ready yet, or if you would like to L-G-T-M
with comments then please uncheck the CQ checkbox.

Waiting for LGTM from valid reviewer(s) till 2016-02-06 03:11 UTC

[robertphillips, 2016-02-05 21:26:17]

lgtm

[commit-bot: I haz the power, 2016-02-05 21:47:09]

Description was changed from

==========
Fix memory leaks in SurfaceClear_Gpu test

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

to

==========
Fix memory leaks in SurfaceClear_Gpu test

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/+/2fba80912027999b560a97a832948c37ab36acfe
==========

[commit-bot: I haz the power, 2016-02-05 21:47:09]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/2fba80912027999b560a97a832948c37ab36acfe