Use one instance of language settings detail menu for all languages

chrome/browser/resources/settings/languages_page/compiled_resources2.gyp

 # Copyright 2016 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.
 {
   'targets': [
     {
       'target_name': 'languages',
       'dependencies': [
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:assert',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
@@ skipping 20 matching lines @@
         'languages',
         'languages_types',
       ],
       'includes': ['../../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
       'target_name': 'languages_page',
       'dependencies': [
         '../compiled_resources2.gyp:route',
         '../settings_page/compiled_resources2.gyp:settings_animated_pages',
+        '<(DEPTH)/ui/webui/resources/cr_elements/cr_shared_menu/compiled_resources2.gyp:cr_shared_menu',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:assert',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
         'languages',
         'languages_types',
       ],
       'includes': ['../../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
       'target_name': 'languages_types',
       'dependencies': [
@@ skipping 17 matching lines @@
       'target_name': 'add_languages_dialog',
       'dependencies': [
         '<(DEPTH)/third_party/polymer/v1_0/components-chromium/paper-checkbox/compiled_resources2.gyp:paper-checkbox-extracted',
         'languages',
         'languages_types',
       ],
       'includes': ['../../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
   ],
 }