Revert of Reland: Fix logic for incremental marking steps on tenured allocation

Revert of Reland: Fix logic for incremental marking steps on tenured allocation (patchset #4 id:60001 of https://codereview.chromium.org/1077153004/)

Reason for revert:
[Sheriff] Speculative revert, see:
https://code.google.com/p/chromium/issues/detail?id=506875

Original issue's description:
> Reland: Fix logic for incremental marking steps on tenured allocation
>
> BUG=
>
> Committed: https://crrev.com/5000650bde2ec0bc90d959b529c97aea20385043
> Cr-Commit-Position: refs/heads/master@{#29442}

TBR=hpayer@chromium.org,erikcorry@chromium.org
BUG=chromium:506875
LOG=n
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Committed: https://crrev.com/0790a8c09a38429a6e0947a51ba349b6dab7ca0b
Cr-Commit-Position: refs/heads/master@{#29494}

[Michael Achenbach, 2015-07-06 13:58:17]

Created Revert of Reland: Fix logic for incremental marking steps on tenured
allocation

[Michael Achenbach, 2015-07-06 13:59:13]

Will reland if it doesn't help.

[Michael Achenbach, 2015-07-06 13:59:17]

The CQ bit was checked by machenbach@chromium.org

[commit-bot: I haz the power, 2015-07-06 13:59:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1212063005/1

[commit-bot: I haz the power, 2015-07-06 13:59:36]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-06 13:59:52]

Patchset 1 (id:??) landed as
https://crrev.com/0790a8c09a38429a6e0947a51ba349b6dab7ca0b
Cr-Commit-Position: refs/heads/master@{#29494}