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diff --git a/Plugins/jingle/libjingle/talk/base/fileutils.h b/Plugins/jingle/libjingle/talk/base/fileutils.h
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+/*
+ * libjingle
+ * Copyright 2004--2006, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef TALK_BASE_FILEUTILS_H__
+#define TALK_BASE_FILEUTILS_H__
+
+#include <string>
+
+#ifdef _WINDOWS
+#include <windows.h>
+#else
+#include <sys/types.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#endif
+
+#include "talk/base/common.h"
+
+namespace talk_base {
+
+class FileStream;
+class Pathname;
+
+//////////////////////////
+// Directory Iterator   //
+//////////////////////////
+
+// A DirectoryTraverser is created with a given directory. It originally points to
+// the first file in the directory, and can be advanecd with Next(). This allows you
+// to get information about each file.
+
+class DirectoryIterator {
+
+ public:
+  // Constructor 
+  DirectoryIterator();
+
+  // Destructor
+  ~DirectoryIterator();
+
+  // Starts traversing a directory
+  // dir is the directory to traverse
+  // returns true if the directory exists and is valid
+  // The iterator will point to the first entry in the directory
+  bool Iterate(const Pathname &path);
+
+  // Advances to the next file
+  // returns true if there were more files in the directory.
+  bool Next();
+
+  // returns true if the file currently pointed to is a directory
+  bool IsDirectory() const;
+
+  // returns the name of the file currently pointed to
+  std::string Name() const;
+
+  // returns the size of the file currently pointed to
+  size_t FileSize() const;
+
+  // returns the last modified time of the file currently poitned to
+  time_t FileModifyTime() const;
+
+ private:
+  std::string directory_;
+#ifdef _WINDOWS
+  WIN32_FIND_DATA data_;
+  HANDLE handle_;
+#else
+  DIR *dir_;
+  struct dirent *dirent_;
+  struct stat stat_;
+#endif
+};
+
+class Filesystem {
+ public:
+ 
+   virtual bool CreateFolderI(const Pathname &pathname) = 0;
+	 
+  // Opens a file. Returns an open StreamInterface if function succeeds. Otherwise,
+  // returns NULL.
+  virtual FileStream *OpenFileI(const Pathname &filename, 
+			    const std::string &mode) = 0;
+
+  // This will attempt to delete the path located at filename. If filename is a file,
+  // it will be unlinked. If the path is a directory, it will recursively unlink and remove
+  // all the files and directory within it
+  virtual bool DeleteFileI(const Pathname &filename) = 0;
+
+  // Creates a directory. This will call itself recursively to create /foo/bar even if
+  // /foo does not exist.
+  // Returns TRUE if function succeeds
+  
+  // This moves a file from old_path to new_path, where "file" can be a plain file
+  // or directory, which will be moved recursively.
+  // Returns true if function succeeds.
+  virtual bool MoveFileI(const Pathname &old_path, const Pathname &new_path) = 0;
+
+  // This copies a file from old_path to _new_path where "file" can be a plain file
+  // or directory, which will be copied recursively.
+  // Returns true if function succeeds
+  virtual bool CopyFileI(const Pathname &old_path, const Pathname &new_path) = 0;
+
+  // Returns true if a pathname is a directory
+  virtual bool IsFolderI(const Pathname& pathname) = 0;
+
+  // Returns true if a file exists at this path
+  virtual bool FileExistsI(const Pathname& pathname) = 0;
+
+  // Returns true if pathname represents a temporary location on the system.
+  virtual bool IsTemporaryPathI(const Pathname& pathname) = 0;
+
+  // A folder appropriate for storing temporary files (Contents are
+  // automatically deleted when the program exists)
+  virtual bool GetTemporaryFolderI(Pathname &path, bool create,
+                                 const std::string *append) = 0;
+  
+  virtual std::string TempFilenameI(const Pathname &dir, const std::string &prefix) = 0;
+
+  virtual bool GetFileSizeI(const Pathname &dir, size_t *size) = 0;
+  
+  static Filesystem *default_filesystem(void) { ASSERT(default_filesystem_!=NULL); return default_filesystem_; }
+  static void set_default_filesystem(Filesystem *filesystem) {default_filesystem_ = filesystem; }
+  
+  
+  static bool CreateFolder(const Pathname &pathname);
+  
+  static FileStream *OpenFile(const Pathname &filename, 
+			    const std::string &mode);
+  static bool DeleteFile(const Pathname &filename);
+  static bool MoveFile(const Pathname &old_path, const Pathname &new_path);
+  static bool CopyFile(const Pathname &old_path, const Pathname &new_path);
+  static bool IsFolder(const Pathname& pathname);
+  static bool FileExists(const Pathname &pathname);
+  static bool IsTemporaryPath(const Pathname& pathname);
+  static bool GetTemporaryFolder(Pathname &path, bool create,
+                                 const std::string *append);
+  static std::string TempFilename(const Pathname &dir, const std::string &prefix);
+  static bool GetFileSize(const Pathname &dir, size_t *size);
+  
+ private:
+  static Filesystem *default_filesystem_;
+  static Filesystem *EnsureDefaultFilesystem();
+
+};
+
+// Generates a unique temporary filename in 'directory' with the given 'prefix'
+ std::string TempFilename(const Pathname &dir, const std::string &prefix);
+
+  // Generates a unique filename based on the input path.  If no path component
+  // is specified, it uses the temporary directory.  If a filename is provided,
+  // up to 100 variations of form basename-N.extension are tried.  When
+  // create_empty is true, an empty file of this name is created (which
+  // decreases the chance of a temporary filename collision with another
+  // process).
+ bool CreateUniqueFile(talk_base::Pathname& path, bool create_empty);
+
+}
+
+#endif   // TALK_BASE_FILEUTILS_H__