Options: Remove the hidden class, since we override the hidden attribute to set

chrome/browser/resources/options/options_page.js

Index: chrome/browser/resources/options/options_page.js
diff --git a/chrome/browser/resources/options/options_page.js b/chrome/browser/resources/options/options_page.js
index 43606eb87437eba478a860ee67c9d3f7322cedc3..930a3a195949bd4b3264c5b8d320e18f08c15217 100644
--- a/chrome/browser/resources/options/options_page.js
+++ b/chrome/browser/resources/options/options_page.js
@@ -848,12 +848,12 @@ cr.define('options', function() {
 
       this.setContainerVisibility_(visible);
       if (visible) {
-        this.pageDiv.classList.remove('hidden');
+        this.pageDiv.hidden = false;
 
         if (this.tab)
           this.tab.classList.add('navbar-item-selected');
       } else {
-        this.pageDiv.classList.add('hidden');
+        this.pageDiv.hidden = true;
 
         if (this.tab)
           this.tab.classList.remove('navbar-item-selected');