Replace TOUCH_UI condition in WebUI with dynamic flag.

chrome/browser/resources/options/language_options.js

Index: chrome/browser/resources/options/language_options.js
diff --git a/chrome/browser/resources/options/language_options.js b/chrome/browser/resources/options/language_options.js
index 191202972c28e05bd84b8aca1176bde1f98659c6..7503212b3a5ad28970a40410c05252e001deb86b 100644
--- a/chrome/browser/resources/options/language_options.js
+++ b/chrome/browser/resources/options/language_options.js
@@ -77,7 +77,7 @@ cr.define('options', function() {
         }
       };
 
-      if (cr.isChromeOS && !cr.isTouch) {
+      if (cr.isChromeOS) {
         // Listen to user clicks on the add language list.
         var addLanguageList = $('add-language-overlay-language-list');
         addLanguageList.addEventListener('click',
@@ -88,27 +88,25 @@ cr.define('options', function() {
         addLanguageOkButton.addEventListener('click',
             this.handleAddLanguageOkButtonClick_.bind(this));
 
-        // Listen to user clicks on the "Change touch keyboard settings..."
-        // button.
-        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 {
-          // Show experimental features if enabled.
-          if (templateData.experimentalSpellCheckFeatures == 'true')
-            $('auto-spell-correction-option').hidden = false;
-        }
-      }
+        // 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));
       }
+
+      // Listen to user clicks on the "Change touch keyboard settings..."
+      // button (if it exists).
+      var virtualKeyboardButton = $('language-options-virtual-keyboard');
+      if (virtualKeyboardButton) {
+        // TODO(yusukes): would be better to hide the button if no virtual
+        // keyboard is registered.
+        virtualKeyboardButton.onclick = function(e) {
+          OptionsPage.navigateToPage('virtualKeyboards');
+        };
+      }
     },
 
     // The preference is a boolean that enables/disables spell checking.