[Webapp Refactor] Remove remoting.clientSession.

remoting/webapp/crd/js/toolbar.js

Index: remoting/webapp/crd/js/toolbar.js
diff --git a/remoting/webapp/crd/js/toolbar.js b/remoting/webapp/crd/js/toolbar.js
index a06e2e5acfe37eb463ed5ee8d61d013226d1a15c..f1b7692c4bb6a8a87f3f1f02bcd13b1747d43005 100644
--- a/remoting/webapp/crd/js/toolbar.js
+++ b/remoting/webapp/crd/js/toolbar.js
@@ -14,9 +14,11 @@ var remoting = remoting || {};
 
 /**
  * @param {HTMLElement} toolbar The HTML element representing the tool-bar.
+ * @param {function()} disconnectCallback Callback for disconnecting the
+ *    session.
  * @constructor
  */
-remoting.Toolbar = function(toolbar) {
+remoting.Toolbar = function(toolbar, disconnectCallback) {
   /** @private {HTMLElement} */
   this.toolbar_ = toolbar;
   /** @private {HTMLElement} */
@@ -42,8 +44,7 @@ remoting.Toolbar = function(toolbar) {
   window.addEventListener('mousemove', remoting.Toolbar.onMouseMove, false);
   window.addEventListener('resize', this.center.bind(this), false);
 
-  registerEventListener('toolbar-disconnect', 'click',
-                        remoting.app.disconnect.bind(remoting.app));
+  registerEventListener('toolbar-disconnect', 'click', disconnectCallback);
   registerEventListener('toolbar-stub',
                         'click', function() { remoting.toolbar.toggle(); });