remoting.WindowShape clean up.

remoting/webapp/base/js/connection_stats.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.
 
 /**
  * @fileoverview
  * Module to support debug overlay window with connection stats.
  */
 
 'use strict';
@@ skipping 19 matching lines @@
   /** @private */
   this.plugin_ = plugin;
 
   var that = this;
 
   /** @private */
   this.timer_ = new base.RepeatingTimer(function(){
     that.update(plugin.getPerfStats());
   }, 1000, true);
 
-  remoting.windowShape.addCallback(this);
+  remoting.windowShape.registerClientUI(this);
 };
 
 remoting.ConnectionStats.prototype.dispose = function() {
   base.dispose(this.timer_);
   this.timer_ = null;
   this.plugin_ = null;
+  remoting.windowShape.unregisterClientUI(this);
 };
 
 /**
  * @return {remoting.ClientSession.PerfStats} The most recently-set PerfStats,
  *     or null if update() has not yet been called.
  */
 remoting.ConnectionStats.prototype.mostRecent = function() {
   return this.mostRecent_;
 };
 
@@ skipping 71 matching lines @@
   var statistics = document.getElementById('statistics');
   this.statsElement_.innerText = (
       'Bandwidth: ' + formatStatNumber(videoBandwidth, units) +
       ', Frame Rate: ' + formatStatNumber(stats.videoFrameRate, 'fps') +
       ', Capture: ' + formatStatNumber(stats.captureLatency, 'ms') +
       ', Encode: ' + formatStatNumber(stats.encodeLatency, 'ms') +
       ', Decode: ' + formatStatNumber(stats.decodeLatency, 'ms') +
       ', Render: ' + formatStatNumber(stats.renderLatency, 'ms') +
       ', Latency: ' + formatStatNumber(stats.roundtripLatency, 'ms'));
 };