Revert "Directly remove slot buffer entries in deoptimized code objects."

Revert "Directly remove slot buffer entries in deoptimized code objects."

This reverts commit 80b3f16951251d342ebaf9174872d50e46f048a5.

Revert "Record code slots that may point to evacuation candidate objects after deoptimizing them."

This reverts commit 4621210cfed738b8171b075f816f0c7329489c9d.

BUG=chromium:507840
LOG=n

Committed: https://crrev.com/4829bbc5d1a24a62337f1890f3d09ef36b602cec
Cr-Commit-Position: refs/heads/master@{#29778}

[ulan, 2015-07-21 15:21:21]

ulan@chromium.org changed reviewers:
+ ulan@chromium.org

[ulan, 2015-07-21 15:21:22]

lgtm

[Hannes Payer (out of office), 2015-07-21 15:22:33]

The CQ bit was checked by hpayer@chromium.org

[commit-bot: I haz the power, 2015-07-21 15:22:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1239383004/20001

[commit-bot: I haz the power, 2015-07-21 16:14:38]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-07-21 16:14:51]

Patchset 2 (id:??) landed as
https://crrev.com/4829bbc5d1a24a62337f1890f3d09ef36b602cec
Cr-Commit-Position: refs/heads/master@{#29778}