Revert "Move using directive from Job.h to Job.cpp" (r190902)

Seems like it was intentional to export ArgStringList as
driver::ArgStringList, and e.g. examples/clang-interpreter/main.cpp
uses it this way.

However, exporting it with a typedef seems like a more common way to do it.

llvm-svn: 190906

1 files changed, 0 insertions, 1 deletions

diff --git a/clang/lib/Driver/Job.cpp b/clang/lib/Driver/Job.cpp
index 43518ad8f97..4e4c664c8f7 100644
--- a/clang/lib/Driver/Job.cpp
+++ b/clang/lib/Driver/Job.cpp
@@ -15,7 +15,6 @@
 #include "llvm/Support/raw_ostream.h"
 #include <cassert>
 using namespace clang::driver;
-using llvm::opt::ArgStringList;
 using llvm::raw_ostream;
 using llvm::StringRef;