MD Settings: Input method: add show-in-shelf toggle

chrome/browser/resources/settings/languages_page/languages_page.html

 <link rel="import" href="chrome://resources/html/action_link.html">
 <link rel="import" href="chrome://resources/html/action_link_css.html">
 <link rel="import" href="chrome://resources/html/assert.html">
 <link rel="import" href="chrome://resources/html/cr.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-collapse/iron-collapse.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/neon-animatable.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-checkbox/paper-checkbox.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="chrome://resources/cr_elements/cr_action_menu/cr_action_menu.html">
@@ skipping 168 matching lines @@
               </div>
             </template>
             <div class="list-item">
               <a is="action-link" class="list-button"
                   id="manageInputMethods"
                   on-tap="onManageInputMethodsTap_">
                 $i18n{manageInputMethods}
               </a>
             </div>
           </div>
+          <div class="settings-box">
+            <settings-toggle-button class="start"
+                pref="{{prefs.settings.language.ime_menu_activated}}"
+                label="$i18n{showImeMenu}">
+            </settings-toggle-button>
+          </div>
         </iron-collapse>
 </if>
 <if expr="not is_macosx">
         <div id="spellCheckSubpageTrigger"
             class$="settings-box [[getSpellCheckListTwoLine_(
                 spellCheckSecondaryText_)]]"
             actionable on-tap="toggleExpandButton_">
           <div class="start">
             <div>$i18n{spellCheckListTitle}</div>
             <div class="secondary">[[spellCheckSecondaryText_]]</div>
@@ skipping 96 matching lines @@
 </if>
     </settings-animated-pages>
     <template is="dom-if" if="[[showAddLanguagesDialog_]]" restamp>
       <settings-add-languages-dialog languages="{{languages}}"
           language-helper="[[languageHelper]]">
       </settings-add-languages-dialog>
     </template>
   </template>
   <script src="languages_page.js"></script>
 </dom-module>