Add deprecation messages.

remoting/webapp/crd/js/crd_main.js

 // Copyright 2014 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.
 
 'use strict';
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 /**
@@ skipping 65 matching lines @@
   var error = base.getHtmlElement('paired-client-manager-dialog-error');
   var noPairedClients = base.getHtmlElement('no-paired-clients');
   remoting.pairedClientManager =
       new remoting.PairedClientManager(remoting.hostController, dialog, message,
                                        deleteAll, close, noPairedClients,
                                        working, error);
   // Display the cached host list, then asynchronously update and re-display it.
   remoting.updateLocalHostState();
   remoting.hostList.refresh().then(remoting.updateLocalHostState);
 
-  // Butter bar is temporarily disabled. crbug.com/714244
-  // remoting.butterBar = new remoting.ButterBar();
+  remoting.butterBar = new remoting.ButterBar();
+  remoting.butterBar.init();
 };
 
 /**
  * Fetches local host state and updates the DOM accordingly.
  */
 remoting.updateLocalHostState = function() {
   /**
    * @param {remoting.HostController.State} state Host state.
    */
   var onHostState = function(state) {
@@ skipping 80 matching lines @@
   }
 };
 
 
 remoting.startDesktopRemoting = function() {
   remoting.app = new remoting.DesktopRemoting();
   remoting.app.start();
 };
 
 window.addEventListener('load', remoting.startDesktopRemotingForTesting, false);