Allow full-screen mode when not connected, and remember the previous setting.

remoting/webapp/app_remoting/js/app_remoting.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
  * This class implements the functionality that is specific to application
  * remoting ("AppRemoting" or AR).
  */
 
@@ skipping 76 matching lines @@
  *
  * @param {remoting.SessionConnector} connector
  * @return {void} Nothing.
  */
 remoting.AppRemoting.prototype.init = function(connector) {
   remoting.initGlobalObjects();
   remoting.initIdentity(remoting.onUserInfoAvailable);
 
   remoting.initGlobalEventHandlers();
 
+  // TODO(jamiewalch): Remove ClientSession's dependency on remoting.fullscreen
+  // so that this is no longer required.
+  remoting.fullscreen = new remoting.FullscreenAppsV2();
+
   var restoreHostWindows = function() {
     if (remoting.clientSession) {
       remoting.clientSession.sendClientMessage('restoreAllWindows', '');
     }
   };
   chrome.app.window.current().onRestored.addListener(restoreHostWindows);
 
   remoting.windowShape.updateClientWindowShape();
 
   // Initialize the context menus.
@@ skipping 238 matching lines @@
   remoting.MessageWindow.showErrorMessage(
       chrome.i18n.getMessage(/**i18n-content*/'CONNECTION_FAILED'),
       chrome.i18n.getMessage(/** @type {string} */ (errorTag)));
 };
 
 /** @return {string} */
 remoting.AppRemoting.prototype.runApplicationUrl = function() {
   return remoting.settings.APP_REMOTING_API_BASE_URL + '/applications/' +
       remoting.settings.getAppRemotingApplicationId() + '/run';
 };