dom-ui settings: enable languages & spell checker settings for all platforms....

chrome/browser/resources/options/advanced_options.js

Index: chrome/browser/resources/options/advanced_options.js
===================================================================
--- chrome/browser/resources/options/advanced_options.js	(revision 71884)
+++ chrome/browser/resources/options/advanced_options.js	(working copy)
@@ -60,6 +60,11 @@
         chrome.send('defaultFontSizeAction',
             [String(event.target.options[event.target.selectedIndex].value)]);
       };
+      $('language-button').onclick = function(event) {
+        OptionsPage.showPageByName('language');
+        chrome.send('coreOptionsUserMetricsAction',
+            ['Options_LanuageAndSpellCheckSettings']);
+      };
 
       if (cr.isWindows || cr.isMac) {
         $('certificatesManageButton').onclick = function(event) {