Make settings page more touch friendly (font-size, checkbox, radio, adding language page).

chrome/browser/resources/options/language_options.js

 // Copyright (c) 2011 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.
 
 // TODO(kochi): Generalize the notification as a component and put it
 // in js/cr/ui/notification.js .
 
 cr.define('options', function() {
   const OptionsPage = options.OptionsPage;
   const LanguageList = options.LanguageList;
@@ skipping 59 matching lines @@
         // the URL hash (ex. lang_add=ja).  Used for automated testing.
         var match = document.location.hash.match(/\blang_add=([\w-]+)/);
         if (match) {
           var addLanguageCode = match[1];
           $('language-options-list').addLanguage(addLanguageCode);
         } else {
           OptionsPage.navigateToPage('addLanguage');
         }
       };
 
-      if (cr.isChromeOS) {
+      if (cr.isChromeOS && !cr.isTouch) {
         // Listen to user clicks on the add language list.
         var addLanguageList = $('add-language-overlay-language-list');
         addLanguageList.addEventListener('click',
             this.handleAddLanguageListClick_.bind(this));
+      } else {
+        // Listen to add language dialog ok button.
+        var addLanguageOkButton = $('add-language-overlay-ok-button');
+        addLanguageOkButton.addEventListener('click',
+            this.handleAddLanguageOkButtonClick_.bind(this));
+
         // Listen to user clicks on the "Change touch keyboard settings..."
         // button.
-        if (cr.isTouch) {
+        if (cr.isChromeOS && cr.isTouch) {
           var virtualKeyboardButton = $('language-options-virtual-keyboard');
           // TODO(yusukes): would be better to hide the button if no virtual
           // keyboard is registered.
           virtualKeyboardButton.onclick = function(e) {
             OptionsPage.navigateToPage('virtualKeyboards');
           };
-        }
-      } else {
-        // Listen to add language dialog ok button.
-        var addLanguageOkButton = $('add-language-overlay-ok-button');
-        addLanguageOkButton.addEventListener('click',
-            this.handleAddLanguageOkButtonClick_.bind(this));
-
-        // Show experimental features if enabled.
-        if (templateData.experimentalSpellCheckFeatures == 'true') {
-          $('auto-spell-correction-option').hidden = false;
+        } else {
+          // Show experimental features if enabled.
+          if (templateData.experimentalSpellCheckFeatures == 'true')
+            $('auto-spell-correction-option').hidden = false;
         }
       }
 
       if(!cr.isChromeOS) {
         // Handle spell check enable/disable.
         Preferences.getInstance().addEventListener(this.enableSpellCheckPref,
             this.updateEnableSpellCheck_.bind(this));
       }
     },
 
@@ skipping 690 matching lines @@
   LanguageOptions.uiLanguageSaved = function() {
     $('language-options-ui-language-button').style.display = 'none';
     $('language-options-ui-notification-bar').style.display = 'block';
   };
 
   // Export
   return {
     LanguageOptions: LanguageOptions
   };
 });