This API is extensible, and parameterized with flags so that callers can specify what subset of information they want to capture for each stack frame. 

Patch by jaimeyap, see http://codereview.chromium.org/1694011 for details.
Review URL: http://codereview.chromium.org/2028001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4597 ce2b1a6d-e550-0410-aec6-3dcde31c8c00