CrOS Settings: Add skeleton page for multidevice section.

chrome/browser/resources/settings/page_visibility.js

Index: chrome/browser/resources/settings/page_visibility.js
diff --git a/chrome/browser/resources/settings/page_visibility.js b/chrome/browser/resources/settings/page_visibility.js
index a5d4a1c188bfabd40c0ffbf6bc9b0af53da99d1c..79a21c850faf07bea9d85c4a362dcca7b1d11cdc 100644
--- a/chrome/browser/resources/settings/page_visibility.js
+++ b/chrome/browser/resources/settings/page_visibility.js
@@ -10,6 +10,7 @@
  *   dateTime: (boolean|undefined|DateTimePageVisibility),
  *   defaultBrowser: (boolean|undefined),
  *   downloads: (undefined|DownloadsPageVisibility),
+ *   multidevice: (boolean|undefined),
  *   onStartup: (boolean|undefined),
  *   passwordsAndForms: (boolean|undefined),
  *   people: (boolean|undefined),
@@ -97,6 +98,7 @@ cr.define('settings', function() {
       downloads: {
         googleDrive: false,
       },
+      multidevice: false,
     };
     // </if>
   }