Non-SFI mode: Add --use-nacl-helper-nonsfi flag.

components/nacl/common/nacl_switches.cc

Index: components/nacl/common/nacl_switches.cc
diff --git a/components/nacl/common/nacl_switches.cc b/components/nacl/common/nacl_switches.cc
index 257d3e97236aea32b01e9e0da266fa745e3e577c..ffb4b8b015cb00703b3d7e280f416801abc6ca13 100644
--- a/components/nacl/common/nacl_switches.cc
+++ b/components/nacl/common/nacl_switches.cc
@@ -49,4 +49,11 @@ const char kNaClLoaderNonSfiProcess[]       = "nacl-loader-nonsfi";
 // for SFI mode.
 const char kNaClLoaderProcess[]             = "nacl-loader";
 
+// Use nacl_helper_nonsfi executable (the new, newlib-based version of the
+// Non-SFI runtime) to run Non-SFI nexe, instead of nacl_helper executable
+// (which uses the older, glib-based runtime for Non-SFI mode).
+// TODO(hidehiko): Make this default and then remove this flag after
+// nacl_helper_nonsfi is supported.
+const char kUseNaClHelperNonSfi[]           = "use-nacl-helper-nonsfi";
+
 }  // namespace switches