MD Settings: add empty list message for spell-check edit page.

chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.cc

 // Copyright 2015 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/ui/webui/settings/md_settings_localized_strings_provider.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/i18n/number_formatting.h"
@@ skipping 957 matching lines @@
       {"spellCheckSummaryThreeLanguages",
        IDS_SETTINGS_LANGUAGES_SPELL_CHECK_SUMMARY_THREE_LANGUAGES},
       {"spellCheckSummaryMultipleLanguages",
        IDS_SETTINGS_LANGUAGES_SPELL_CHECK_SUMMARY_MULTIPLE_LANGUAGES},
       {"manageSpellCheck", IDS_SETTINGS_LANGUAGES_SPELL_CHECK_MANAGE},
       {"editDictionaryPageTitle", IDS_SETTINGS_LANGUAGES_EDIT_DICTIONARY_TITLE},
       {"addDictionaryWordLabel", IDS_SETTINGS_LANGUAGES_ADD_DICTIONARY_WORD},
       {"addDictionaryWordButton",
        IDS_SETTINGS_LANGUAGES_ADD_DICTIONARY_WORD_BUTTON},
       {"customDictionaryWords", IDS_SETTINGS_LANGUAGES_DICTIONARY_WORDS},
+      {"noCustomDictionaryWordsFound",
+       IDS_SETTINGS_LANGUAGES_DICTIONARY_WORDS_NONE},
 #endif
   };
   AddLocalizedStringsBulk(html_source, localized_strings,
                           arraysize(localized_strings));
 
 #if defined(OS_CHROMEOS)
   // Only the Chrome OS help article explains how language order affects website
   // language.
   html_source->AddString(
       "languagesLearnMoreURL",
@@ skipping 916 matching lines @@
 
 #if defined(OS_CHROMEOS)
   chromeos::network_element::AddLocalizedStrings(html_source);
 #endif
   policy_indicator::AddLocalizedStrings(html_source);
 
   html_source->SetJsonPath(kLocalizedStringsFile);
 }
 
 }  // namespace settings