MD Settings: Add placeholder text when adding/editing a content exception.

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 1527 matching lines @@
       {"searchEnginesManageExtension",
        IDS_SETTINGS_SEARCH_ENGINES_MANAGE_EXTENSION},
   };
   AddLocalizedStringsBulk(html_source, localized_strings,
                           arraysize(localized_strings));
 }
 
 void AddSiteSettingsStrings(content::WebUIDataSource* html_source,
                             Profile* profile) {
   LocalizedString localized_strings[] = {
+    {"addSite", IDS_SETTINGS_ADD_SITE},
+    {"addSiteExceptionPlaceholder",
+     IDS_SETTINGS_ADD_SITE_EXCEPTION_PLACEHOLDER},
+    {"addSiteLink", IDS_SETTINGS_ADD_SITE_LINK},
     {"addSiteTitle", IDS_SETTINGS_ADD_SITE_TITLE},
-    {"addSiteLink", IDS_SETTINGS_ADD_SITE_LINK},
-    {"addSite", IDS_SETTINGS_ADD_SITE},
     {"cookieAppCache", IDS_SETTINGS_COOKIES_APPLICATION_CACHE},
     {"cookieCacheStorage", IDS_SETTINGS_COOKIES_CACHE_STORAGE},
     {"cookieChannelId", IDS_SETTINGS_COOKIES_CHANNEL_ID},
     {"cookieDatabaseStorage", IDS_SETTINGS_COOKIES_DATABASE_STORAGE},
     {"cookieFileSystem", IDS_SETTINGS_COOKIES_FILE_SYSTEM},
     {"cookieFlashLso", IDS_SETTINGS_COOKIES_FLASH_LSO},
     {"cookieLocalStorage", IDS_SETTINGS_COOKIES_LOCAL_STORAGE},
     {"cookieMediaLicense", IDS_SETTINGS_COOKIES_MEDIA_LICENSE},
     {"cookiePlural", IDS_SETTINGS_COOKIES_PLURAL_COOKIES},
     {"cookieServiceWorker", IDS_SETTINGS_COOKIES_SERVICE_WORKER},
@@ skipping 402 matching lines @@
 
 #if defined(OS_CHROMEOS)
   chromeos::network_element::AddLocalizedStrings(html_source);
 #endif
   policy_indicator::AddLocalizedStrings(html_source);
 
   html_source->SetJsonPath(kLocalizedStringsFile);
 }
 
 }  // namespace settings