[NaCl SDK] nacl_io: Always create directory node in http filesystem root.

native_client_sdk/src/libraries/nacl_io/node.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "nacl_io/node.h"
 
 #include <assert.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <poll.h>
@@ skipping 181 matching lines @@
 int Node::GetType() {
   return stat_.st_mode & S_IFMT;
 }
 
 void Node::SetType(int type) {
   assert((type & ~S_IFMT) == 0);
   stat_.st_mode &= ~S_IFMT;
   stat_.st_mode |= type;
 }
 
+void Node::SetMode(int mode) {
+  assert((mode & S_IFMT) == 0);
+  stat_.st_mode &= S_IFMT;
+  stat_.st_mode |= mode;
+}
+
 bool Node::IsaDir() {
   return GetType() == S_IFDIR;
 }
 
 bool Node::IsaFile() {
   return GetType() == S_IFREG;
 }
 
 bool Node::IsaSock() {
   return GetType() == S_IFSOCK;
@@ skipping 22 matching lines @@
 
 void Node::Link() {
   stat_.st_nlink++;
 }
 
 void Node::Unlink() {
   stat_.st_nlink--;
 }
 
 }  // namespace nacl_io