MD Settings: Languages model for language pages

chrome/app/settings_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Settings-specific strings (included from generated_resources.grd). -->
 <grit-part>
   <!-- Accessibility Page -->
   <message name="IDS_SETTINGS_ACCESSIBILITY" desc="Name of the settings page which displays accessibility preferences.">
     Accessibility
   </message>
   <message name="IDS_SETTINGS_MORE_FEATURES_LINK" desc="Link which opens page where users can install extensions which provide additional accessibility features.">
     Add additional accessibility features
   </message>
@@ skipping 265 matching lines @@
   </message>
   <message name="IDS_SETTINGS_LANGUAGES_INPUT_METHODS_MANAGE" desc="Button under the list of input methods which opens a sub-page that lets the user enable or disable input methods.">
     Manage inputs
   </message>
   <message name="IDS_SETTINGS_LANGUAGES_SPELL_CHECK_LIST_TITLE" desc="Title for the section containing the dropdown used to select the language to use for spell checking. The dropdown contains the enabled languages which support spell checking.">
     Spell check
   </message>
   <message name="IDS_SETTINGS_LANGUAGES_SPELL_CHECK_MANAGE" desc="Button under the dropdown of spell check languages which opens a sub-page that lets the user add or remove words to the custom list of words whitelisted for spell checking.">
     Custom spelling
   </message>
+  <message name="IDS_SETTINGS_LANGUAGES_MANAGE_LANGUAGES_TITLE" desc="Name of the settings sub-page which allows enabling and disabling languages.">
+    Languages
+  </message>
+  <message name="IDS_SETTINGS_LANGUAGES_ALL_LANGUAGES" desc="Header for the list of all supported languages, which the user can use to enable languages, on the Manage Languages page.">
+    All languages
+  </message>
+  <message name="IDS_SETTINGS_LANGUAGES_ENABLED_LANGUAGES" desc="Header for the list of enabled languages, which the user can use to disable languages, on the Manage Languages page.">
+    Enabled languages
+  </message>
 
   <!-- Privacy Page -->
   <message name="IDS_SETTINGS_PRIVACY" desc="Name of the settings page which allows users to modify privacy and security settings.">
     Privacy &amp; Security
   </message>
   <message name="IDS_SETTINGS_LINKDOCTOR_PREF" desc="The documentation string of the 'Use Link Doctor' preference to help with navigation errors.">
     Use a web service to help resolve navigation errors
   </message>
   <message name="IDS_SETTINGS_SUGGEST_PREF" desc="The documentation string of the 'Use Suggest' preference">
     Use a prediction service to help complete searches and URLs typed in the address bar or the app launcher search box
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   <message name="IDS_SETTINGS_USERS_SHOW_ON_SIGNIN_LABEL" desc="Label for the 'show users on sign-in screen' setting.">
     Show usernames and photos on the sign-in screen
   </message>
   <message name="IDS_SETTINGS_USERS_RESTRICT_SIGNIN_LABEL" desc="Label for the setting for restricting sign in to specific users.">
     Restrict sign-in to the following users:
   </message>
   <message name="IDS_SETTINGS_USERS_ADD_USERS_LABEL" desc="Label for the input field for adding users.">
     Add users
   </message>
 </grit-part>