struct on fatal out of memory.  This should cause the information to
be included in minidumps so we can get a better idea of the state of
v8 on OOMs.

Review URL: http://codereview.chromium.org/462019


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3406 ce2b1a6d-e550-0410-aec6-3dcde31c8c00