MIPS: Added old data space allocation infrastructure for pretenuring.
MIPS: Added old data space allocation infrastructure for pretenuring.

Port r14843 (2d8faca3)

BUG=

Review URL: https://codereview.chromium.org/16155006

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@14864 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh