Add ArcEnabled policy implementation

chrome/browser/resources/options/browser_options.js

 // Copyright (c) 2012 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.
 
 cr.exportPath('options');
 
 /**
  * @typedef {{actionLinkText: (string|undefined),
  *            childUser: (boolean|undefined),
  *            hasError: (boolean|undefined),
@@ skipping 2306 matching lines @@
           break;
         case ConsumerManagementOverlay.Status.STATUS_UNENROLLING:
           strId = 'consumerManagementUnenrollingButton';
           button.disabled = true;
           break;
       }
       button.textContent = loadTimeData.getString(strId);
     };
 
     /**
-     * Hides Android Apps settings when they are not available (ChromeOS only).
+     * Hides Android Apps settings when they are not available. (ChromeOS only).

[bartfab (slow), 2016/03/02 14:45:40]

Nit, while you are here: s/ChromeOS/Chrome OS/

[Polina Bondarenko, 2016/03/06 20:22:33]

Done.

      */
     BrowserOptions.hideAndroidAppsSection = function() {
-      var section = $('andorid-apps-section');
+      var section = $('android-apps-section');
       if (section)
         section.hidden = true;
     };
   }
 
   // Export
   return {
     BrowserOptions: BrowserOptions
   };
 });