Remove the blue tool-bar for apps v2.

remoting/webapp/options_menu.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.
 
 /**
  * @fileoverview
  * Class handling the in-session options menu (or menus in the case of apps v1).
  */
 
 'use strict';
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 /**
- * @param {HTMLElement} sendCtrlAltDel
- * @param {HTMLElement} sendPrtScrn
- * @param {HTMLElement} resizeToClient
- * @param {HTMLElement} shrinkToFit
- * @param {HTMLElement?} fullscreen
+ * @param {Element} sendCtrlAltDel
+ * @param {Element} sendPrtScrn
+ * @param {Element} resizeToClient
+ * @param {Element} shrinkToFit
+ * @param {Element?} fullscreen
  * @constructor
  */
 remoting.OptionsMenu = function(sendCtrlAltDel, sendPrtScrn,
                                 resizeToClient, shrinkToFit, fullscreen) {
   this.sendCtrlAltDel_ = sendCtrlAltDel;
   this.sendPrtScrn_ = sendPrtScrn;
   this.resizeToClient_ = resizeToClient;
   this.shrinkToFit_ = shrinkToFit;
   this.fullscreen_ = fullscreen;
   /**
@@ skipping 59 matching lines @@
 remoting.OptionsMenu.prototype.onShrinkToFit_ = function() {
   if (this.clientSession_) {
     this.clientSession_.setScreenMode(!this.clientSession_.getShrinkToFit(),
                                       this.clientSession_.getResizeToClient());
   }
 };
 
 remoting.OptionsMenu.prototype.onFullscreen_ = function() {
   remoting.fullscreen.toggle();
 };