This change supports all non-crankshaft features except serialization.

This must be built after the changes in http://codereview.chromium.org/6966031
are landed.

BUG=
TEST=

Review URL: http://codereview.chromium.org//7039058

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8023 ce2b1a6d-e550-0410-aec6-3dcde31c8c00