Oilpan: promptly free per-frame document heap vector.

The per-frame updating of animations create a small vector
on the heap each time around. Most of the time the update checking
will not trigger additional heap allocations (or work), so by promptly
releasing the heap vector, the allocation pointer can simply be reset.

R=haraken
BUG=420515

Review URL: https://codereview.chromium.org/994483002

git-svn-id: svn://svn.chromium.org/blink/trunk@191615 bbb929c8-8fbe-4397-9dbb-9b2b20218538
1 file changed
tree: b22b9d5a46cdd4c5aaa842b4fb9b904a0ba06987
  1. third_party/