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

native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_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/html5fs/html5_fs_node.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <ppapi/c/pp_completion_callback.h>
 #include <ppapi/c/pp_directory_entry.h>
@@ skipping 231 matching lines @@
   PP_FileInfo info;
   int32_t result = filesystem_->ppapi()->GetFileIoInterface()->Query(
       fileio_resource_, &info, PP_BlockUntilComplete());
   if (result != PP_OK)
     return PPErrorToErrno(result);
 
   *out_size = info.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),
       fileio_resource_(0) {
 }
 
 Error Html5FsNode::Init(int open_flags) {
   Error error = Node::Init(open_flags);
   if (error)
     return error;
@@ skipping 28 matching lines @@
     filesystem_->ppapi()->ReleaseResource(fileio_resource_);
   }
 
   filesystem_->ppapi()->ReleaseResource(fileref_resource_);
   fileio_resource_ = 0;
   fileref_resource_ = 0;
   Node::Destroy();
 }
 
 }  // namespace nacl_io