Replace Manage Languages with dialog and dropdown item

chrome/app/settings_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Settings-specific strings (included from generated_resources.grd). -->
 <grit-part>
   <!-- About Page -->
   <if expr="chromeos">
     <message name="IDS_SETTINGS_ABOUT_PAGE_DETAILED_BUILD_INFO" desc="Label describing the section that shows detailed information about the current Chrome build.">
       Detailed build information
     </message>
     <message name="IDS_SETTINGS_ABOUT_PAGE_ARC_VERSION" desc="Label for ARC version">
       ARC Version
@@ skipping 939 matching lines @@
   </message>
   <message name="IDS_SETTINGS_LANGUAGES_LANGUAGES_LIST_ORDERING_INSTRUCTIONS" desc="Explanatory message about ordering the list of languages.">
     Order languages based on your preference.
   </message>
   <message name="IDS_SETTINGS_LANGUAGES_LANGUAGES_LIST_MOVE_UP" desc="Label for the menu item that moves the language up in the list of languages.">
     Move up
   </message>
   <message name="IDS_SETTINGS_LANGUAGES_LANGUAGES_LIST_MOVE_DOWN" desc="Label for the menu item that moves the language down in the list of languages.">
     Move down
   </message>
+  <message name="IDS_SETTINGS_LANGUAGES_LANGUAGES_LIST_REMOVE" desc="Label for the menu item to remove a language from the list of enabled languages.">
+    Remove
+  </message>
   <message name="IDS_SETTINGS_LANGUAGES_LANGUAGES_LIST_LANGUAGE_DETAIL" desc="Label for the menu item which opens a sub-page that displays details for a language.">
     Language settings
   </message>
-  <message name="IDS_SETTINGS_LANGUAGES_LANGUAGES_MANAGE" desc="Button under the list of enabled languages which opens a sub-page that lets the user enable or disable languages.">
-    Manage languages
+  <message name="IDS_SETTINGS_LANGUAGES_LANGUAGES_ADD" desc="Button under the list of enabled languages which opens a dialog that lets the user enable additional languages.">
+    Add languages
   </message>
   <message name="IDS_SETTINGS_LANGUAGES_OFFER_TO_TRANSLATE_IN_THIS_LANGUAGE" desc="The label for a checkbox which indicates whether or not pages in this language should be translated by default.">
     Offer to translate pages in this language
   </message>
   <message name="IDS_SETTINGS_LANGUAGES_CANNOT_TRANSLATE_IN_THIS_LANGUAGE" desc="The string displayed in the details for a language when the language cannot be translated from.">
     This language cannot be translated
   </message>
   <if expr="chromeos">
     <message name="IDS_SETTINGS_LANGUAGES_INPUT_METHODS_LIST_TITLE" desc="Title for the current input method in the header for the collapsible list of enabled input methods (keyboard layouts and input method editors).">
       Input method
     </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 keyboard layouts and input method editors.">
       Manage input methods
     </message>
     <message name="IDS_SETTINGS_LANGUAGES_MANAGE_INPUT_METHODS_TITLE" desc="Name of the settings sub-page which allows enabling and disabling input methods.">
       Manage input methods
     </message>
   </if>
-  <message name="IDS_SETTINGS_LANGUAGES_MANAGE_LANGUAGES_TITLE" desc="Name of the settings sub-page which allows enabling and disabling languages.">
-    Manage languages
+  <message name="IDS_SETTINGS_LANGUAGES_MANAGE_LANGUAGES_TITLE" desc="Name of the settings dialog which allows enabling additional languages.">
+    Add 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>
   <if expr="not is_macosx">
     <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
@@ skipping 908 matching lines @@
       System
     </message>
     <message name="IDS_SETTINGS_SYSTEM_HARDWARE_ACCELERATION_LABEL" desc="Label for the checkbox that forces Chrome to render via hardware acceleration (GPU) when available.">
       Use hardware acceleration when available
     </message>
     <message name="IDS_SETTINGS_SYSTEM_PROXY_SETTINGS_BUTTON" desc="Text for the button that changes a user's network proxy settings.">
       Change proxy settings
     </message>
   </if>
 </grit-part>