Remove WinXP hook for OPENFILENAME

ui/base/win/open_file_name_win.h

 // Copyright (c) 2014 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 UI_BASE_WIN_OPEN_FILE_NAME_WIN_H_
 #define UI_BASE_WIN_OPEN_FILE_NAME_WIN_H_
 
 #include <Windows.h>
 #include <Commdlg.h>
 
@@ skipping 22 matching lines @@
   ~OpenFileName();
 
   // Initializes |lpstrFilter| from the label/pattern pairs in |filters|.
   void SetFilters(
       const std::vector<std::tuple<base::string16, base::string16>>& filters);
 
   // Sets |lpstrInitialDir| and |lpstrFile|.
   void SetInitialSelection(const base::FilePath& initial_directory,
                            const base::FilePath& initial_filename);
 
-  // The save as dialog on Windows XP remembers its last position, and if the
-  // screen resolution has changed it may be off screen. This method will check
-  // if we are running on XP and if so install a hook to reposition the dialog
-  // if necessary.
-  void MaybeInstallWindowPositionHookForSaveAsOnXP();
-
   // Returns the single selected file, or an empty path if there are more or
   // less than one results.
   base::FilePath GetSingleResult();
 
   // Returns the selected file or files.
   void GetResult(base::FilePath* directory,
                  std::vector<base::FilePath>* filenames);
 
   // Returns the OPENFILENAME structure.
   OPENFILENAME* GetOPENFILENAME() { return &openfilename_; }
@@ skipping 18 matching lines @@
   wchar_t filename_buffer_[UNICODE_STRING_MAX_CHARS];
   base::string16 filter_buffer_;
 
   DISALLOW_COPY_AND_ASSIGN(OpenFileName);
 };
 
 }  // namespace win
 }  // namespace ui
 
 #endif  // UI_BASE_WIN_OPEN_FILE_NAME_WIN_H_