Oilpan: fix build after r190700 (99fb464b7).

The container's is already kept alive by a stack reference with Oilpan.

R=haraken
BUG=458776
NOTRY=true

Review URL: https://codereview.chromium.org/955573002

git-svn-id: svn://svn.chromium.org/blink/trunk@190718 bbb929c8-8fbe-4397-9dbb-9b2b20218538
1 file changed
tree: 63c58774f51cea87a7d2c595dd1fbee2bfdffd1a
  1. third_party/