Switch parsing of using declarations over to ParseUnqualifiedId.

llvm-svn: 86027
diff --git a/clang/lib/Sema/Sema.h b/clang/lib/Sema/Sema.h
index 0f84b46..b0aa7b7 100644
--- a/clang/lib/Sema/Sema.h
+++ b/clang/lib/Sema/Sema.h
@@ -1893,9 +1893,7 @@
                                           AccessSpecifier AS,
                                           SourceLocation UsingLoc,
                                           const CXXScopeSpec &SS,
-                                          SourceLocation IdentLoc,
-                                          IdentifierInfo *TargetName,
-                                          OverloadedOperatorKind Op,
+                                          UnqualifiedId &Name,
                                           AttributeList *AttrList,
                                           bool IsTypeName);