Revert of [heap] Decrease large object limit for regular heap objects.

Revert of [heap] Decrease large object limit for regular heap objects. (patchset #3 id:40001 of https://codereview.chromium.org/1392823003/ )

Reason for revert:
broken tests

Original issue's description:
> [heap] Decrease large object limit for regular heap objects.
>
> Committed: https://crrev.com/e887d42342b3449f64fb6078f84f6c55bae3978d
> Cr-Commit-Position: refs/heads/master@{#31217}

TBR=mlippautz@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Committed: https://crrev.com/9790e494a40041fa70620703c00010db8a5092bb
Cr-Commit-Position: refs/heads/master@{#31219}

[Hannes Payer (out of office), 2015-10-12 17:10:54]

Created Revert of [heap] Decrease large object limit for regular heap objects.

[commit-bot: I haz the power, 2015-10-12 17:11:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1402823002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1402823002/1

[commit-bot: I haz the power, 2015-10-12 17:11:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-12 17:11:31]

Patchset 1 (id:??) landed as
https://crrev.com/9790e494a40041fa70620703c00010db8a5092bb
Cr-Commit-Position: refs/heads/master@{#31219}