Fix the negative lookup stub to handle deleted entries in a dictionary. (issue 1964)

Add a new API where the host can supply a callback function. The callback function can resolve the location of a return address on stack to the location where a return-address rewriting profiler stashed the original return address.

When compiling for-in pass correct context value to the increment instruction. (Chromium issue http://crbug.com/115646)

Update breakpoints set with partial file name after compile. (issue 1853)

git-svn-id: http://v8.googlecode.com/svn/trunk@10852 ce2b1a6d-e550-0410-aec6-3dcde31c8c00