Move isCXXSimpleTypeSpecifier from Parser to Sema and tweak it for wider use.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158572 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseObjc.cpp b/lib/Parse/ParseObjc.cpp
index 4e5b672..d3016c7 100644
--- a/lib/Parse/ParseObjc.cpp
+++ b/lib/Parse/ParseObjc.cpp
@@ -2115,7 +2115,7 @@
       Tok.is(tok::kw_typename) || Tok.is(tok::annot_cxxscope))
     TryAnnotateTypeOrScopeToken();
 
-  if (!isCXXSimpleTypeSpecifier()) {
+  if (!Actions.isSimpleTypeSpecifier(Tok.getKind())) {
     //   objc-receiver:
     //     expression
     ExprResult Receiver = ParseExpression();