Some Rewrite functions are already overloaded to accept
CharSourceRange, and this extends others in the same manner. I'm
calling these in code that's not ready to upstream, but I figure they
might be useful to others in the meantime.
Reviewed By: jdoerfert
Differential Revision: https://reviews.llvm.org/D61467
llvm-svn: 365258
Joel E. Denny