Add an overridable MatchCallback::onEndOfTranslationUnit() function.

Differential Revision: http://llvm-reviews.chandlerc.com/D745

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@182798 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed