Remove unavailable shortcut silently instead of showing a confirmation dialog

chrome/browser/chromeos/extensions/file_manager/private_api_strings.cc

 // Copyright 2013 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 "chrome/browser/chromeos/extensions/file_manager/private_api_strings.h"
 
 #include "chrome/browser/chromeos/file_manager/open_with_browser.h"
 #include "chrome/browser/chromeos/system/statistics_provider.h"
 #include "chrome/common/extensions/extension_l10n_util.h"
 #include "grit/app_locale_settings.h"
@@ skipping 241 matching lines @@
   SET_STRING("PASTE_BUTTON_LABEL", IDS_FILE_BROWSER_PASTE_BUTTON_LABEL);
 
   SET_STRING("COPY_BUTTON_LABEL", IDS_FILE_BROWSER_COPY_BUTTON_LABEL);
   SET_STRING("CUT_BUTTON_LABEL", IDS_FILE_BROWSER_CUT_BUTTON_LABEL);
   SET_STRING("ZIP_SELECTION_BUTTON_LABEL",
              IDS_FILE_BROWSER_ZIP_SELECTION_BUTTON_LABEL);
   SET_STRING("CREATE_FOLDER_SHORTCUT_BUTTON_LABEL",
              IDS_FILE_BROWSER_CREATE_FOLDER_SHORTCUT_BUTTON_LABEL);
   SET_STRING("REMOVE_FOLDER_SHORTCUT_BUTTON_LABEL",
              IDS_FILE_BROWSER_REMOVE_FOLDER_SHORTCUT_BUTTON_LABEL);
-  SET_STRING("SHORTCUT_TARGET_UNAVAILABLE",
-             IDS_FILE_BROWSER_SHORTCUT_TARGET_UNAVAILABLE);
   SET_STRING("SHARE_BUTTON_LABEL",
              IDS_FILE_BROWSER_SHARE_BUTTON_LABEL);
 
   SET_STRING("OPEN_WITH_BUTTON_LABEL", IDS_FILE_BROWSER_OPEN_WITH_BUTTON_LABEL);
 
   SET_STRING("TRANSFER_ITEMS_REMAINING",
              IDS_FILE_BROWSER_TRANSFER_ITEMS_REMAINING);
   SET_STRING("TRANSFER_CANCELLED", IDS_FILE_BROWSER_TRANSFER_CANCELLED);
   SET_STRING("TRANSFER_TARGET_EXISTS_ERROR",
              IDS_FILE_BROWSER_TRANSFER_TARGET_EXISTS_ERROR);
@@ skipping 252 matching lines @@
     board = "unknown";
   }
   dict->SetString(chromeos::system::kMachineInfoBoard, board);
 
   dict->SetString("UI_LOCALE", extension_l10n_util::CurrentLocaleOrDefault());
 
   return true;
 }
 
 }  // namespace extensions