Move ASTLocation and DeclReferenceMap from the AST library to the Index library.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74859 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/ResolveLocation.cpp b/lib/Frontend/ResolveLocation.cpp
index c2d32bb..9fbae30 100644
--- a/lib/Frontend/ResolveLocation.cpp
+++ b/lib/Frontend/ResolveLocation.cpp
@@ -13,13 +13,14 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Frontend/Utils.h"
-#include "clang/AST/ASTLocation.h"
+#include "clang/Index/ASTLocation.h"
 #include "clang/AST/DeclVisitor.h"
 #include "clang/AST/StmtVisitor.h"
 #include "clang/Lex/Lexer.h"
 #include "clang/Basic/SourceManager.h"
 #include "llvm/Support/Compiler.h"
 using namespace clang;
+using namespace idx;
 
 namespace {