Delete unused features of rtc::FilesystemInterface.

webrtc/base/win32filesystem.h

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef _WEBRTC_BASE_WIN32FILESYSTEM_H__
 #define _WEBRTC_BASE_WIN32FILESYSTEM_H__
 
 #include "fileutils.h"
 
 namespace rtc {
 
 class Win32Filesystem : public FilesystemInterface {
  public:
   // Opens a file. Returns an open StreamInterface if function succeeds. Otherwise,
   // returns NULL.
   virtual FileStream *OpenFile(const Pathname &filename, 
                                const std::string &mode);
 
-  // Atomically creates an empty file accessible only to the current user if one
-  // does not already exist at the given path, otherwise fails.
-  virtual bool CreatePrivateFile(const Pathname &filename);
-
   // This will attempt to delete the path located at filename.
   // If the path points to a folder, it will fail with VERIFY
   virtual bool DeleteFile(const Pathname &filename);
 
   // This will attempt to delete an empty folder. If the path does not point to
   // a folder, it fails with VERIFY. If the folder is not empty, it fails normally
   virtual bool DeleteEmptyFolder(const Pathname &folder);
 
   // Creates a directory. This will call itself recursively to create /foo/bar even if
   // /foo does not exist.
   // Returns TRUE if function succeeds
   virtual bool CreateFolder(const Pathname &pathname);
   
   // This moves a file from old_path to new_path. If the new path is on a 
   // different volume than the old, it will attempt to copy and then delete
   // the folder
   // Returns true if the file is successfully moved
   virtual bool MoveFile(const Pathname &old_path, const Pathname &new_path);
   
-  // Moves a folder from old_path to new_path. If the new path is on a different
-  // volume from the old, it will attempt to Copy and then Delete the folder
-  // Returns true if the folder is successfully moved
-  virtual bool MoveFolder(const Pathname &old_path, const Pathname &new_path);
-  
   // This copies a file from old_path to _new_path
   // Returns true if function succeeds
   virtual bool CopyFile(const Pathname &old_path, const Pathname &new_path);
 
   // Returns true if a pathname is a directory
   virtual bool IsFolder(const Pathname& pathname);
   
   // Returns true if a file exists at path
   virtual bool IsFile(const Pathname &path);
 
   // Returns true if pathname refers to no filesystem object, every parent
   // directory either exists, or is also absent.
   virtual bool IsAbsent(const Pathname& pathname);
 
   // Returns true if pathname represents a temporary location on the system.
   virtual bool IsTemporaryPath(const Pathname& pathname);
 
   // All of the following functions set pathname and return true if successful.
   // Returned paths always include a trailing backslash.
   // If create is true, the path will be recursively created.
   // If append is non-NULL, it will be appended (and possibly created).
 
   virtual std::string TempFilename(const Pathname &dir, const std::string &prefix);
 
   virtual bool GetFileSize(const Pathname& path, size_t* size);
   virtual bool GetFileTime(const Pathname& path, FileTimeType which,
                            time_t* time);
- 
+
   // A folder appropriate for storing temporary files (Contents are
   // automatically deleted when the program exists)
   virtual bool GetTemporaryFolder(Pathname &path, bool create,
                                  const std::string *append);
 
-  // Returns the path to the running application.
-  virtual bool GetAppPathname(Pathname* path);
-
   virtual bool GetAppDataFolder(Pathname* path, bool per_user);
 
   // Get a temporary folder that is unique to the current user and application.
   virtual bool GetAppTempFolder(Pathname* path);
 
   virtual bool GetDiskFreeSpace(const Pathname& path, int64_t* free_bytes);
 
-  virtual Pathname GetCurrentDirectory();
+ private:
+  // Returns the path to the running application.
+  bool GetAppPathname(Pathname* path);
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_WINFILESYSTEM_H__