Fix a variety of panel issues

chrome/browser/resources/chromeos/chromevox/cvox2/background/panel.js

 // Copyright 2015 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 The ChromeVox panel and menus.
  */
 
 goog.provide('Panel');
 
@@ skipping 112 matching lines @@
   $('options').addEventListener('click', Panel.onOptions, false);
   $('close').addEventListener('click', Panel.onClose, false);
 
   $('tutorial_next').addEventListener('click', Panel.onTutorialNext, false);
   $('tutorial_previous').addEventListener(
       'click', Panel.onTutorialPrevious, false);
   $('close_tutorial').addEventListener('click', Panel.onCloseTutorial, false);
 
   document.addEventListener('keydown', Panel.onKeyDown, false);
   document.addEventListener('mouseup', Panel.onMouseUp, false);
+  window.addEventListener('blur', Panel.closeMenusAndRestoreFocus, false);
 
   Panel.searchInput_.addEventListener('blur', Panel.onSearchInputBlur, false);
 };
 
 /**
  * Update the display based on prefs.
  */
 Panel.updateFromPrefs = function() {
   if (Panel.searching_) {
     this.speechContainer_.hidden = true;
@@ skipping 103 matching lines @@
     return;
 
   this.mode_ = mode;
 
   if (this.mode_ == Panel.Mode.FULLSCREEN_MENUS ||
       this.mode_ == Panel.Mode.FULLSCREEN_TUTORIAL) {
     // Change the url fragment to 'fullscreen', which signals the native
     // host code to make the window fullscreen and give it focus.
     window.location = '#fullscreen';
   } else if (this.mode_ == Panel.Mode.FOCUSED) {
-    // // Change the url fragment to 'focus', which signals the native
+    // Change the url fragment to 'focus', which signals the native
     // host code to give the window focus.
     window.location = '#focus';
   } else {
     // Remove the url fragment, which signals the native host code to
     // collapse the panel to its normal size and cause it to lose focus.
     window.location = '#';
   }
 
   $('main').hidden = (this.mode_ == Panel.Mode.FULLSCREEN_TUTORIAL);
   $('menus_background').hidden = (this.mode_ != Panel.Mode.FULLSCREEN_MENUS);
@@ skipping 516 matching lines @@
 };
 
 /**
  * Open the tutorial.
  */
 Panel.onTutorial = function() {
   // Change the url fragment to 'fullscreen', which signals the native
   // host code to make the window fullscreen, revealing the menus.
   Panel.setMode(Panel.Mode.FULLSCREEN_TUTORIAL);
 
-  Panel.tutorial_.firstPage();
+  Panel.tutorial_.lastViewedPage();
 };
 
 /**
  * Move to the next page in the tutorial.
  */
 Panel.onTutorialNext = function() {
   Panel.tutorial_.nextPage();
 };
 
 /**
@@ skipping 20 matching lines @@
 }, false);
 
 window.addEventListener('hashchange', function() {
   if (location.hash == '#fullscreen' || location.hash == '#focus') {
     this.originalStickyState_ = cvox.ChromeVox.isStickyPrefOn;
     cvox.ChromeVox.isStickyPrefOn = false;
   } else {
     cvox.ChromeVox.isStickyPrefOn = this.originalStickyState_;
   }
 }, false);