Details:

 - added properties / functions in view objects needed for WebKit's ProfileView;

 - added ability to count profiles for specific functions.

The tickprocessor functionality does not affected.

Review URL: http://codereview.chromium.org/99181

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1823 ce2b1a6d-e550-0410-aec6-3dcde31c8c00