Respect accumulative old generation memory limit in all spaces.

Respect accumulative old generation memory limit in all spaces.

Before the max_old_space_size was set for each space, which is not intuitive and not what we want. There is still a miss match between capacity and actual committed memory which should be cleaned up in a follow up cl.

BUG=

Committed: https://crrev.com/bd89a2eb617422bfbd0690d26468ae2f02584565
Cr-Commit-Position: refs/heads/master@{#26985}

[Hannes Payer (out of office), 2015-03-04 13:03:58]

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

[ulan, 2015-03-04 13:19:51]

lgtm

[Hannes Payer (out of office), 2015-03-04 13:30:53]

The CQ bit was checked by hpayer@chromium.org

[commit-bot: I haz the power, 2015-03-04 13:41:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/979783002/1

[commit-bot: I haz the power, 2015-03-04 13:43:29]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-04 13:43:52]

Patchset 1 (id:??) landed as
https://crrev.com/bd89a2eb617422bfbd0690d26468ae2f02584565
Cr-Commit-Position: refs/heads/master@{#26985}