revert 16717 for breaking everything

TBR=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23708039

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16718 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Every place where AllocationMemento is initialized with an
AllocationSite is now checked to be sure a valid Site goes in.

This is temporary code to diagnose chromium bug 284577.

(This is a second attempt, the first attempt ran into the problem of undefined ordering of function calls in Windows and Mac optimized builds, see the fixes in code-stubs-hydrogen.cc).

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23440035

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16719 ce2b1a6d-e550-0410-aec6-3dcde31c8c00