Move PathIsWritable, DirectoryExists, ContentsEqual, and TextContentsEqual to the base namespace.

chrome/browser/ui/libgtk2ui/select_file_dialog_impl.h

 // Copyright (c) 2012 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.
 //
 // This file implements common select dialog functionality between GTK and KDE.
 
 #ifndef CHROME_BROWSER_UI_LIBGTK2UI_SELECT_FILE_DIALOG_IMPL_H_
 #define CHROME_BROWSER_UI_LIBGTK2UI_SELECT_FILE_DIALOG_IMPL_H_
 
 #include <set>
@@ skipping 41 matching lines @@
   virtual void SelectFileImpl(
       Type type,
       const string16& title,
       const base::FilePath& default_path,
       const FileTypeInfo* file_types,
       int file_type_index,
       const base::FilePath::StringType& default_extension,
       gfx::NativeWindow owning_window,
       void* params) = 0;
 
-  // Wrapper for file_util::DirectoryExists() that allow access on the UI
+  // Wrapper for base::DirectoryExists() that allow access on the UI
   // thread. Use this only in the file dialog functions, where it's ok
   // because the file dialog has to do many stats anyway. One more won't
   // hurt too badly and it's likely already cached.
   bool CallDirectoryExistsOnUIThread(const base::FilePath& path);
 
   // The file filters.
   FileTypeInfo file_types_;
 
   // The index of the default selected file filter.
   // Note: This starts from 1, not 0.
   size_t file_type_index_;
 
   // The set of all parent windows for which we are currently running dialogs.
   std::set<aura::Window*> parents_;
 
   // The type of dialog we are showing the user.
   Type type_;
 
   // These two variables track where the user last saved a file or opened a
   // file so that we can display future dialogs with the same starting path.
   static base::FilePath* last_saved_path_;
   static base::FilePath* last_opened_path_;
 
   DISALLOW_COPY_AND_ASSIGN(SelectFileDialogImpl);
 };
 
 }  // namespace libgtk2ui
 
 #endif  // CHROME_BROWSER_UI_LIBGTK2UI_SELECT_FILE_DIALOG_IMPL_H_