Oilpan: fix build after r193519.

TBR=oilpan-reviews
BUG=275851
NOTRY=true

Review URL: https://codereview.chromium.org/1075123002

git-svn-id: svn://svn.chromium.org/blink/trunk@193526 bbb929c8-8fbe-4397-9dbb-9b2b20218538
2 files changed