CrOS Settings: Add skeleton page for multidevice section.

chrome/browser/resources/settings/settings_main/settings_main.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 
 <link rel="import" href="chrome://resources/cr_elements/hidden_style_css.html">
 <link rel="import" href="chrome://resources/cr_elements/icons.html">
 <link rel="import" href="chrome://resources/html/promise_resolver.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-a11y-announcer/iron-a11y-announcer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="../about_page/about_page.html">
 <link rel="import" href="../basic_page/basic_page.html">
@@ skipping 28 matching lines @@
     </style>
     <content select="paper-icon-button"></content>
     <div id="noSearchResults" hidden$="[[!showNoResultsFound_]]">
       <div>$i18n{searchNoResults}</div>
       <div>$i18nRaw{searchNoResultsHelp}</div>
     </div>
     <template is="dom-if" if="[[showPages_.settings]]">
       <settings-basic-page prefs="{{prefs}}"
           page-visibility="[[pageVisibility]]"
           show-android-apps="[[showAndroidApps]]"
+          show-multidevice="[[showMultidevice]]"
           have-play-store-app="[[havePlayStoreApp]]"
           on-subpage-expand="onSubpageExpand_"
           in-search-mode="[[inSearchMode_]]"
           advanced-toggle-expanded="{{advancedToggleExpanded}}">
       </settings-basic-page>
     </template>
     <template is="dom-if" if="[[showPages_.about]]">
       <settings-about-page in-search-mode="[[inSearchMode_]]">
       </settings-about-page>
     </template>
     <div id="overscroll" style="padding-bottom: [[overscroll_]]px"></div>
   </template>
   <script src="settings_main.js"></script>
   <script src="../search_settings.js"></script>
 </dom-module>