Revert "Revert "[PDB] Extend IPDBSession's interface to retrieve frame data""

This reverts commit 466ce67d6ec444962e5cc0136243c16a453190c0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@345010 91177308-0d34-0410-b5e6-96231b3b80d8
14 files changed