Revert "Oilpan: fix build after r190977 (5831a54)."
Revert "Oilpan: fix build after r190977 (5831a54)."

This reverts commit 765d17d6dfac94a5c34586f8e27df18cd0848a84.

The dependent commit has been reverted in r190983,

  https://codereview.chromium.org/967523002

Follow up and revert this build fix also.

TBR=mkwst@chromium.org,oilpan-reviews@chromium.org
NOTRY=true
BUG=439247

Review URL: https://codereview.chromium.org/959233002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@190989 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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