[cros] disable GDrive option on certain file pickers

chrome/browser/ui/libgtk2ui/select_file_dialog_impl_gtk2.cc

 // 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.
 
 #include <gdk/gdk.h>
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 203 matching lines @@
   if (owning_window) {
     owning_window->AddObserver(this);
     parents_.insert(owning_window);
   }
 
   std::string title_string = UTF16ToUTF8(title);
 
   file_type_index_ = file_type_index;
   if (file_types)
     file_types_ = *file_types;
-  else
-    file_types_.include_all_files = true;
 
   GtkWidget* dialog = NULL;
   switch (type) {
     case SELECT_FOLDER:
       dialog = CreateSelectFolderDialog(title_string, default_path,
                                         owning_window);
       break;
     case SELECT_OPEN_FILE:
       dialog = CreateFileOpenDialog(title_string, default_path, owning_window);
       break;
@@ skipping 355 matching lines @@
   g_free(filename);
   if (pixbuf) {
     gtk_image_set_from_pixbuf(GTK_IMAGE(preview_), pixbuf);
     g_object_unref(pixbuf);
   }
   gtk_file_chooser_set_preview_widget_active(GTK_FILE_CHOOSER(chooser),
                                              pixbuf ? TRUE : FALSE);
 }
 
 }  // namespace libgtk2ui