Delete unused features of rtc::FilesystemInterface.

webrtc/base/win32filesystem.h

Index: webrtc/base/win32filesystem.h
diff --git a/webrtc/base/win32filesystem.h b/webrtc/base/win32filesystem.h
index 439b2c6268f629c4733ea1ed9c019a400f60bb76..e81def314efc62a549ab7bfeb1643d7d04babe53 100644
--- a/webrtc/base/win32filesystem.h
+++ b/webrtc/base/win32filesystem.h
@@ -22,10 +22,6 @@ class Win32Filesystem : public FilesystemInterface {
   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);
@@ -45,11 +41,6 @@ class Win32Filesystem : public FilesystemInterface {
   // 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);
@@ -77,15 +68,12 @@ class Win32Filesystem : public FilesystemInterface {
   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.
@@ -93,7 +81,9 @@ class Win32Filesystem : public FilesystemInterface {
 
   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