[NaCl SDK] nacl_io: Add flow control the JavaScript pipes.

native_client_sdk/src/libraries/nacl_io/fs_factory.h

Index: native_client_sdk/src/libraries/nacl_io/fs_factory.h
diff --git a/native_client_sdk/src/libraries/nacl_io/fs_factory.h b/native_client_sdk/src/libraries/nacl_io/fs_factory.h
index ef6ce75c047639881b5d027eaa28d41230e477db..e90ebef5cc4a8081d7f02ab9fd1b9462f86158b8 100644
--- a/native_client_sdk/src/libraries/nacl_io/fs_factory.h
+++ b/native_client_sdk/src/libraries/nacl_io/fs_factory.h
@@ -8,19 +8,18 @@
 #include <errno.h>
 
 #include "nacl_io/error.h"
+#include "nacl_io/filesystem.h"
 #include "sdk_util/scoped_ref.h"
 
 namespace nacl_io {
 
-class Filesystem;
 class PepperInterface;
-struct FsInitArgs;
 
 class FsFactory {
  public:
   virtual ~FsFactory() {}
   virtual Error CreateFilesystem(const FsInitArgs& args,
-                                 sdk_util::ScopedRef<Filesystem>* out_fs) = 0;
+                                 ScopedFilesystem* out_fs) = 0;
 };
 
 }  // namespace nacl_io