Oilpan: move RenderObjects off heap.

Have the RenderObject hierarchy no longer be Oilpan heap allocated,
keeping its objects allocated via PartitionAlloc when Oilpan is
enabled also.

No separate & conditional code path is provided for "backwards
compatibility" of re-enabling Oilpan for these objects.

R=haraken,tkent
BUG=398342

Review URL: https://codereview.chromium.org/869323003

git-svn-id: svn://svn.chromium.org/blink/trunk@189496 bbb929c8-8fbe-4397-9dbb-9b2b20218538
75 files changed
tree: a0de250cbf5b2c9a9cd71cf9a1d11d251c54f86e
  1. third_party/