Show a label to describe some invalid drag-drop operations in Files app.

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 <memory>
 #include <utility>
 
 #include "base/strings/stringprintf.h"
@@ skipping 407 matching lines @@
   SET_STRING("DEVICE_HARD_UNPLUGGED_MESSAGE",
              IDS_DEVICE_HARD_UNPLUGGED_MESSAGE);
   SET_STRING("DEVICE_HARD_UNPLUGGED_TITLE", IDS_DEVICE_HARD_UNPLUGGED_TITLE);
   SET_STRING("DEVICE_UNKNOWN_BUTTON_LABEL", IDS_DEVICE_UNKNOWN_BUTTON_LABEL);
   SET_STRING("DEVICE_UNKNOWN_DEFAULT_MESSAGE",
              IDS_DEVICE_UNKNOWN_DEFAULT_MESSAGE);
   SET_STRING("DEVICE_UNKNOWN_MESSAGE", IDS_DEVICE_UNKNOWN_MESSAGE);
   SET_STRING("DEVICE_UNSUPPORTED_DEFAULT_MESSAGE",
              IDS_DEVICE_UNSUPPORTED_DEFAULT_MESSAGE);
   SET_STRING("DEVICE_UNSUPPORTED_MESSAGE", IDS_DEVICE_UNSUPPORTED_MESSAGE);
+  SET_STRING("DEVICE_WRITE_PROTECTED",
+             IDS_FILE_BROWSER_DROP_TARGET_DEVICE_WRITE_PROTECTED);
+  SET_STRING("DEVICE_ACCESS_RESTRICTED",
+             IDS_FILE_BROWSER_DROP_TARGET_ACCESS_RESTRICTED);
   SET_STRING("DIRECTORY_ALREADY_EXISTS",
              IDS_FILE_BROWSER_DIRECTORY_ALREADY_EXISTS);
   SET_STRING("DISABLED_MOBILE_SYNC_NOTIFICATION_ENABLE_BUTTON",
              IDS_FILE_BROWSER_DISABLED_MOBILE_SYNC_NOTIFICATION_ENABLE_BUTTON);
   SET_STRING("DISABLED_MOBILE_SYNC_NOTIFICATION_MESSAGE",
              IDS_FILE_BROWSER_DISABLED_MOBILE_SYNC_NOTIFICATION_MESSAGE);
   SET_STRING("DOWNLOADS_DIRECTORY_LABEL",
              IDS_FILE_BROWSER_DOWNLOADS_DIRECTORY_LABEL);
   SET_STRING("DOWNLOADS_DIRECTORY_WARNING",
              IDS_FILE_BROWSER_DOWNLOADS_DIRECTORY_WARNING);
@@ skipping 275 matching lines @@
       base::StringPrintf(kHelpURLFormat, kNoActionForFileHelpNumber));
   dict->SetString("UI_LOCALE", extension_l10n_util::CurrentLocaleOrDefault());
 
   const std::string& app_locale = g_browser_process->GetApplicationLocale();
   webui::SetLoadTimeDataDefaults(app_locale, dict.get());
 
   return RespondNow(OneArgument(std::move(dict)));
 }
 
 }  // namespace extensions