Replace forgotton var
Replace forgotton var

BUG=skia:
TBR=borenet@google.com

Review-Url: https://codereview.chromium.org/2308013002

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot