[uber page] Migrate the virtual keyboard sub-page to a dialog

chrome/browser/resources/options2/language_options.js

Index: chrome/browser/resources/options2/language_options.js
diff --git a/chrome/browser/resources/options2/language_options.js b/chrome/browser/resources/options2/language_options.js
index 8a847f06686b1df60a2f54668791c08910aa97f4..7a58624f7b76c8cc0d0b22e99f629480e009a15b 100644
--- a/chrome/browser/resources/options2/language_options.js
+++ b/chrome/browser/resources/options2/language_options.js
@@ -102,12 +102,11 @@ cr.define('options', function() {
               this.enableSpellCheckPref,
               this.updateEnableSpellCheck_.bind(this));
         }
-
-        $('language-confirm').onclick = function() {
-          OptionsPage.closeOverlay();
-        };
       }
 
+      $('language-confirm').onclick =
+          OptionsPage.closeOverlay.bind(OptionsPage);
+
       // Listen to user clicks on the "Change touch keyboard settings..."
       // button (if it exists).
       var virtualKeyboardButton = $('language-options-virtual-keyboard');