Extract the (InputKind, std::string) pair used to describe inputs to
the front end into its own class, FrontendInputFile, to make it easier
to introduce new per-input data. No functionality change.

llvm-svn: 148546
diff --git a/clang/tools/arcmt-test/arcmt-test.cpp b/clang/tools/arcmt-test/arcmt-test.cpp
index 3dc4c11..9523ebc 100644
--- a/clang/tools/arcmt-test/arcmt-test.cpp
+++ b/clang/tools/arcmt-test/arcmt-test.cpp
@@ -129,9 +129,7 @@
   if (!CI.getLangOpts()->ObjC1)
     return false;
 
-  arcmt::checkForManualIssues(CI,
-                              CI.getFrontendOpts().Inputs[0].second,
-                              CI.getFrontendOpts().Inputs[0].first,
+  arcmt::checkForManualIssues(CI, CI.getFrontendOpts().Inputs[0], 
                               Diags->getClient());
   return Diags->getClient()->getNumErrors() > 0;
 }