[NaCl SDK] nacl_io: Allows subtree of html5fs to be mounted.

native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc

Index: native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc
diff --git a/native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc b/native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc
index 92877bb8385582314b4e5dc79315f396e78d8459..3fc2f0f8531da34a58a23108f0e292f056d1b21b 100644
--- a/native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc
+++ b/native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc
@@ -249,14 +249,6 @@ Error Html5FsNode::GetSize(off_t* out_size) {
   return 0;
 }
 
-bool Html5FsNode::IsaDir() {
-  return !fileio_resource_;
-}
-
-bool Html5FsNode::IsaFile() {
-  return fileio_resource_;
-}
-
 Html5FsNode::Html5FsNode(Filesystem* filesystem, PP_Resource fileref_resource)
     : Node(filesystem),
       fileref_resource_(fileref_resource),