Fix stack overuse error

Fix stack overuse error

Committed: https://skia.googlesource.com/skia/+/cb9241baddcca38aa80e43125dc72a99b98bb8ef

[hal.canary, 2015-08-18 22:18:15]

halcanary@google.com changed reviewers:
+ mtklein@google.com

[hal.canary, 2015-08-18 22:18:16]

PTAL

[mtklein, 2015-08-18 22:19:11]

The CQ bit was checked by mtklein@google.com

[mtklein, 2015-08-18 22:19:12]

lgtm

[commit-bot: I haz the power, 2015-08-18 22:19:23]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1283193008/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1283193008/1

[commit-bot: I haz the power, 2015-08-18 22:23:44]

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

[commit-bot: I haz the power, 2015-08-18 22:23:45]

Try jobs failed on following builders:
  Build-Win-MSVC-x86_64-Debug-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Win-MSVC-x86_6...)

[hal.canary, 2015-08-18 22:28:56]

The CQ bit was checked by halcanary@google.com

[hal.canary, 2015-08-18 22:28:56]

The patchset sent to the CQ was uploaded after l-g-t-m from mtklein@google.com
Link to the patchset: https://codereview.chromium.org/1283193008/#ps20001
(title: "2015-08-18 (Tuesday) 18:28:43 EDT")

[commit-bot: I haz the power, 2015-08-18 22:29:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1283193008/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1283193008/20001

[commit-bot: I haz the power, 2015-08-19 13:12:42]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/cb9241baddcca38aa80e43125dc72a99b98bb8ef