[NaCl SDK] Create Filesystem nodes in /dev/fs/...

native_client_sdk/src/libraries/nacl_io/devfs/dev_fs.h

Index: native_client_sdk/src/libraries/nacl_io/devfs/dev_fs.h
diff --git a/native_client_sdk/src/libraries/nacl_io/devfs/dev_fs.h b/native_client_sdk/src/libraries/nacl_io/devfs/dev_fs.h
index ad96ae28e6cb7c3cd59f05997754ea4e92da8d73..a17dc8513145561713c0dc6e1aca5f088632c789 100644
--- a/native_client_sdk/src/libraries/nacl_io/devfs/dev_fs.h
+++ b/native_client_sdk/src/libraries/nacl_io/devfs/dev_fs.h
@@ -22,6 +22,9 @@ class DevFs : public Filesystem {
   virtual Error Remove(const Path& path);
   virtual Error Rename(const Path& path, const Path& newpath);
 
+  Error CreateFsNode(Filesystem* fs);
+  Error DestroyFsNode(Filesystem* fs);
+
  protected:
   DevFs();
 
@@ -29,6 +32,7 @@ class DevFs : public Filesystem {
 
  private:
   ScopedNode root_;
+  ScopedNode fs_dir_;
 
   friend class TypedFsFactory<DevFs>;
   DISALLOW_COPY_AND_ASSIGN(DevFs);