[Webapp Refactor] Implements remoting.Activity.

remoting/remoting_webapp_files.gypi

 # 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.
 
 {
   'variables': {
 
     # Jscompile proto files.
     # These provide type information for jscompile.
     'remoting_webapp_js_proto_files': [
@@ skipping 261 matching lines @@
       #'<@(remoting_webapp_browsertest_all_js_files)',
     ],
 
     # The CRD-specific JavaScript files required by main.html.
     'remoting_webapp_crd_main_html_all_js_files': [
       '<@(remoting_webapp_shared_main_html_js_files)',
       'webapp/crd/js/crd_auth_dialog.js',
       'webapp/crd/js/crd_event_handlers.js',
       'webapp/crd/js/crd_experimental.js',
       'webapp/crd/js/crd_main.js',
+      'webapp/crd/js/activity.js',
       'webapp/crd/js/desktop_remoting.js',
       'webapp/crd/js/it2me_connect_flow.js',
       'webapp/crd/js/me2me_connect_flow.js',
     ],
 
     # These template files are used to construct main.html.
     'remoting_webapp_template_files': [
       'webapp/base/html/client_plugin.html',
       'webapp/crd/html/butter_bar.html',
       'webapp/crd/html/dialog_auth.html',
@@ skipping 170 matching lines @@
       '<(remoting_webapp_template_background)',
       '<(remoting_webapp_template_main)',
       '<(remoting_webapp_template_message_window)',
       '<(remoting_webapp_template_wcs_sandbox)',
       '<@(remoting_webapp_template_files)',
       '<@(remoting_webapp_crd_js_files)',
     ],
 
   },
 }