Implement 3 PIN browser tests

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': {
     'remoting_webapp_info_files': [
       'resources/chromoting16.webp',
       'resources/chromoting48.webp',
       'resources/chromoting128.webp',
@@ skipping 104 matching lines @@
       'webapp/wcs_sandbox_content.js',
       'webapp/xhr_proxy.js',
     ],
     # gnubby authentication JavaScript files.
     'remoting_webapp_js_gnubby_auth_files': [
       'webapp/gnubby_auth_handler.js',
     ],
     # browser test JavaScript files.
     'remoting_webapp_js_browser_test_files': [
       'webapp/browser_test/browser_test.js',
+      'webapp/browser_test/cancel_pin_browser_test.js',
+      'webapp/browser_test/invalid_pin_browser_test.js',
+      'webapp/browser_test/update_pin_browser_test.js',
     ],
     # The JavaScript files required by main.html.
     'remoting_webapp_main_html_js_files': [
       # Include the core files first as it is required by the other files.
       # Otherwise, Jscompile will complain.
       '<@(remoting_webapp_js_core_files)',
       '<@(remoting_webapp_js_auth_client2host_files)',
       '<@(remoting_webapp_js_auth_google_files)',
       '<@(remoting_webapp_js_client_files)',
       '<@(remoting_webapp_js_gnubby_auth_files)',
@@ skipping 83 matching lines @@
       'webapp/html/dialog_manage_pairings.html',
       'webapp/html/dialog_token_refresh_failed.html',
       'webapp/html/toolbar.html',
       'webapp/html/ui_header.html',
       'webapp/html/ui_it2me.html',
       'webapp/html/ui_me2me.html',
     ],
 
   },
 }