Make updates to Panel menu

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 253 matching lines @@
   var jumpMenu = Panel.addMenu('panel_menu_jump');
   var speechMenu = Panel.addMenu('panel_menu_speech');
   var tabsMenu = Panel.addMenu('panel_menu_tabs');
   var chromevoxMenu = Panel.addMenu('panel_menu_chromevox');
 
   // Create a mapping between categories from CommandStore, and our
   // top-level menus. Some categories aren't mapped to any menu.
   var categoryToMenu = {
     'navigation': jumpMenu,
     'jump_commands': jumpMenu,
+    'overview': jumpMenu,
+    'tables': jumpMenu,
     'controlling_speech': speechMenu,
+    'information': speechMenu,
     'modifier_keys': chromevoxMenu,
     'help_commands': chromevoxMenu,
 
-    'information': null,  // Get link URL, get page title, etc.
-    'overview': null,     // Headings list, etc.
-    'tables': null,       // Table navigation.
     'braille': null,
     'developer': null};
 
   // Get the key map from the background page.
   var bkgnd = chrome.extension.getBackgroundPage();
   var keymap = bkgnd['cvox']['KeyMap']['fromCurrentKeyMap']();
 
   // Make a copy of the key bindings, get the localized title of each
   // command, and then sort them.
   var sortedBindings = keymap.bindings().slice();
@@ skipping 12 matching lines @@
     title = title.replace(/\w\S*/g, function(word) {
       return word.charAt(0).toUpperCase() + word.substr(1);
     });
     binding.title = title;
   }, this));
   sortedBindings.sort(function(binding1, binding2) {
     return binding1.title.localeCompare(binding2.title);
   });
 
   // Insert items from the bindings into the menus.
+  var sawBindingSet = {};
   sortedBindings.forEach(goog.bind(function(binding) {
+    var command = binding.command;
+    if (sawBindingSet[command])
+      return;
+    sawBindingSet[command] = true;
     var category = cvox.CommandStore.categoryForCommand(binding.command);
     var menu = category ? categoryToMenu[category] : null;
     if (binding.title && menu) {
       menu.addMenuItem(
           binding.title,
           binding.keySeq,
           function() {
             var CommandHandler =
                 chrome.extension.getBackgroundPage()['CommandHandler'];
             CommandHandler['onCommand'](binding.command);
@@ skipping 367 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);