Remove the blue tool-bar for apps v2.

remoting/webapp/menu_button.css

 /* 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.
  */
 
 .menu-button {
   position: relative;
 }
 
 .menu-button-activator + ul {
   display: none;
   position: absolute;
+  line-height: normal;
+  text-align: __MSG_@@bidi_start_edge__;
 }
 
 .menu-button-activator + ul:not(.right-align) {
   left: 1px;
 }
 
 .menu-button-activator + ul.right-align {
   right: 1px;
 }
 
 .menu-button-activator.active + ul {
   display: block;
 }
 
-.menu-button-activator.active {
+button.menu-button-activator.active {
   background-color: #EEE;
   background-image: -webkit-gradient(linear, left top, left bottom,
                                      from(#EEE), to(#E0E0E0));
   box-shadow: inset 0px 1px 2px rgba(0, 0, 0, 0.1);
   border: 1px solid #CCC;
   color: #333;
 }
 
 .menu-button-activator .kd-disclosureindicator {
   vertical-align: middle;
@@ skipping 42 matching lines @@
 }
 
 .help-icon:hover, .help-icon.active {
   opacity: 0.5;
 }
 
 #help-feedback-toolbar {
   margin-left: 8px;
   margin-top: 4px;
 }