Update legacy Tuple-using code.

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 16 matching lines @@
 class UI_BASE_EXPORT OpenFileName {
  public:
   // Initializes the OPENFILENAME, which may be accessed using Get(). All fields
   // will be NULL except for |lStructSize|, |lpstrFile|, and |nMaxFile|. The
   // file buffer will initially contain a null-terminated empty string.
   OpenFileName(HWND parent_window, DWORD flags);
   ~OpenFileName();
 
   // Initializes |lpstrFilter| from the label/pattern pairs in |filters|.
   void SetFilters(
-      const std::vector<Tuple2<base::string16, base::string16> >& filters);
+      const std::vector<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();
@@ skipping 13 matching lines @@
   const OPENFILENAME* GetOPENFILENAME() const { return &openfilename_; }
 
   // Stores directory and filenames in the buffer pointed to by
   // |openfilename->lpstrFile| and sized |openfilename->nMaxFile|.
   static void SetResult(const base::FilePath& directory,
                         const std::vector<base::FilePath>& filenames,
                         OPENFILENAME* openfilename);
 
   // Returns a vector of label/pattern pairs built from
   // |openfilename->lpstrFilter|.
-  static std::vector<Tuple2<base::string16, base::string16> > GetFilters(
+  static std::vector<Tuple<base::string16, base::string16>> GetFilters(
       const OPENFILENAME* openfilename);
 
  private:
   OPENFILENAME openfilename_;
   base::string16 initial_directory_buffer_;
   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_