Check isActive in onRestore to work-around crbug.com/394819.

remoting/webapp/window_frame.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
  * Apps v2 custom title bar implementation
  */
 
 'use strict';
@@ skipping 94 matching lines @@
 /**
  * @private
  */
 remoting.WindowFrame.prototype.disconnectSession_ = function() {
   // When the user disconnects, exit full-screen mode. This should not be
   // necessary, as we do the same thing in client_session.js when the plugin
   // is removed. However, there seems to be a bug in chrome.AppWindow.restore
   // that causes it to get stuck in full-screen mode without this.
   if (chrome.app.window.current().isFullscreen()) {
     chrome.app.window.current().restore();
-    chrome.app.window.current().restore();
   }
   remoting.disconnect();
 };
 
 /**
  * @private
  */
 remoting.WindowFrame.prototype.maximizeOrRestoreWindow_ = function() {
   /** @type {boolean} */
   var restore =
       chrome.app.window.current().isFullscreen() ||
       chrome.app.window.current().isMaximized();
   if (restore) {
     // Restore twice: once to exit full-screen and once to exit maximized.
     // If the app is not full-screen, or went full-screen without first
     // being maximized, then the second restore has no effect.
     chrome.app.window.current().restore();
-    chrome.app.window.current().restore();
   } else if (this.isConnected_) {
     chrome.app.window.current().fullscreen();
   } else {
     chrome.app.window.current().maximize();
   }
 };
 
 /**
  * @private
  */
@@ skipping 24 matching lines @@
   } else if (this.isConnected_) {
     tag = /*i18n-content*/'FULL_SCREEN';
   } else {
     tag = /*i18n-content*/'MAXIMIZE_WINDOW';
   }
   this.maximizeRestoreControl_.title = l10n.getTranslationOrError(tag);
 };
 
 /** @type {remoting.WindowFrame} */
 remoting.windowFrame = null;