Revert of [heap] Simplify heuristics for incremental step size.

Revert of [heap] Simplify heuristics for incremental step size. (patchset #5 id:180001 of https://codereview.chromium.org/2290333002/ )

Reason for revert:
Regressed GC times in v8.infinite_scroll_tbmv2 benchmarks.

Original issue's description:
> [heap] Simplify heuristics for incremental step size.
>
> This patch removes the code for speeding up marking.
>
> Now the step size depends on allocated bytes and
> invoked write barriers.
>
> We also ensure that the step size is large enough to
> justify the overhead of interrupting the generated code.
>
> BUG=chromium:616434
> LOG=NO
>
> Committed: https://crrev.com/71a793e4b1026e69d4009df0a419fe260fe1a235
> Cr-Commit-Position: refs/heads/master@{#39067}

TBR=mlippautz@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:616434
Committed: https://crrev.com/d09e026a9e5c5da7e6b7f2d4bc08f763cea36a18
Cr-Commit-Position: refs/heads/master@{#39098}

[ulan, 2016-09-01 17:28:30]

The CQ bit was checked by ulan@chromium.org

[ulan, 2016-09-01 17:28:31]

Created Revert of [heap] Simplify heuristics for incremental step size.

[commit-bot: I haz the power, 2016-09-01 17:28:41]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-01 17:28:49]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-01 17:29:48]

Description was changed from

==========
Revert of [heap] Simplify heuristics for incremental step size. (patchset #5
id:180001 of https://codereview.chromium.org/2290333002/ )

Reason for revert:
Regressed GC times in v8.infinite_scroll_tbmv2 benchmarks.

Original issue's description:
> [heap] Simplify heuristics for incremental step size.
> 
> This patch removes the code for speeding up marking.
> 
> Now the step size depends on allocated bytes and
> invoked write barriers.
> 
> We also ensure that the step size is large enough to
> justify the overhead of interrupting the generated code.
> 
> BUG=chromium:616434
> LOG=NO
> 
> Committed: https://crrev.com/71a793e4b1026e69d4009df0a419fe260fe1a235
> Cr-Commit-Position: refs/heads/master@{#39067}

TBR=mlippautz@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:616434
==========

to

==========
Revert of [heap] Simplify heuristics for incremental step size. (patchset #5
id:180001 of https://codereview.chromium.org/2290333002/ )

Reason for revert:
Regressed GC times in v8.infinite_scroll_tbmv2 benchmarks.

Original issue's description:
> [heap] Simplify heuristics for incremental step size.
>
> This patch removes the code for speeding up marking.
>
> Now the step size depends on allocated bytes and
> invoked write barriers.
>
> We also ensure that the step size is large enough to
> justify the overhead of interrupting the generated code.
>
> BUG=chromium:616434
> LOG=NO
>
> Committed: https://crrev.com/71a793e4b1026e69d4009df0a419fe260fe1a235
> Cr-Commit-Position: refs/heads/master@{#39067}

TBR=mlippautz@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:616434

Committed: https://crrev.com/d09e026a9e5c5da7e6b7f2d4bc08f763cea36a18
Cr-Commit-Position: refs/heads/master@{#39098}
==========

[commit-bot: I haz the power, 2016-09-01 17:29:49]

Patchset 1 (id:??) landed as
https://crrev.com/d09e026a9e5c5da7e6b7f2d4bc08f763cea36a18
Cr-Commit-Position: refs/heads/master@{#39098}