Revert of [heap] Move large object space selection into AllocateRaw.

Revert of [heap] Move large object space selection into AllocateRaw. (patchset #1 id:1 of https://codereview.chromium.org/1360903004/ )

Reason for revert:
[Sheriff] Breaks:
http://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20nosnap%20-%20debug%20-%202/builds/2080

And maybe (not sure):
http://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064%20%28dbg%29/builds/1529

Original issue's description:
> [heap] Move large object space selection into AllocateRaw.
>
> BUG=
>
> Committed: https://crrev.com/1403815bdbcbd3336b2d85291704640fada30ffe
> Cr-Commit-Position: refs/heads/master@{#30930}

TBR=mlippautz@chromium.org,hpayer@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Committed: https://crrev.com/f746d35775f429c0e2d86c605c250d75048e6020
Cr-Commit-Position: refs/heads/master@{#30931}

[Michael Achenbach, 2015-09-25 11:27:26]

Created Revert of [heap] Move large object space selection into AllocateRaw.

[commit-bot: I haz the power, 2015-09-25 11:27:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1368103002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1368103002/1

[commit-bot: I haz the power, 2015-09-25 11:27:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-09-25 11:27:58]

Patchset 1 (id:??) landed as
https://crrev.com/f746d35775f429c0e2d86c605c250d75048e6020
Cr-Commit-Position: refs/heads/master@{#30931}