[NaCl SDK] nacl_io: Replace allocated ino with hash of path.

native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs.h

 // 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.
 
 #ifndef LIBRARIES_NACL_IO_HTML5FS_HTML5_FS_H_
 #define LIBRARIES_NACL_IO_HTML5FS_HTML5_FS_H_
 
 #include <pthread.h>
 
 #include "nacl_io/filesystem.h"
@@ skipping 10 matching lines @@
   virtual Error OpenWithMode(const Path& path, int open_flags, mode_t mode,
                              ScopedNode* out_node);
   virtual Error Unlink(const Path& path);
   virtual Error Mkdir(const Path& path, int permissions);
   virtual Error Rmdir(const Path& path);
   virtual Error Remove(const Path& path);
   virtual Error Rename(const Path& path, const Path& newpath);
 
   PP_Resource filesystem_resource() { return filesystem_resource_; }
 
+  virtual void OnNodeCreated(Node* node);
+  virtual void OnNodeDestroyed(Node* node);
+
+  static ino_t HashPathSegment(ino_t hash, const char *str, size_t len);
+  static ino_t HashPath(const Path& path);
+
  protected:
   static const int REMOVE_DIR = 1;
   static const int REMOVE_FILE = 2;
   static const int REMOVE_ALL = REMOVE_DIR | REMOVE_FILE;
 
   Html5Fs();
 
   virtual Error Init(const FsInitArgs& args);
   virtual void Destroy();
 
@@ skipping 17 matching lines @@
   pthread_cond_t filesystem_open_cond_;
   sdk_util::SimpleLock filesysem_open_lock_;
   std::string prefix_;
 
   friend class TypedFsFactory<Html5Fs>;
 };
 
 }  // namespace nacl_io
 
 #endif  // LIBRARIES_NACL_IO_HTML5FS_HTML5_FS_H_