Fixes for two JS bugs on DCC

chrome/common/extensions/docs/static/js/fatnav.js

 // Copyright 2013 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.
 
 /**
  * Adds toggle controls to the fat navbar.
  */
 
 (function() {
 var isTouch = (('ontouchstart' in window) || (navigator.msMaxTouchPoints > 0));
@@ skipping 21 matching lines @@
 [].forEach.call(pillars, function(pillar, i) {
   pillar.addEventListener('click', function(e) {
     if (e.target.classList.contains('toplevel')) {
       e.stopPropagation(); // prevent body handler from being called.
       var wasAlreadyOpen = this.classList.contains('active');
       hideActive(fatNav); // de-activate other fatnav items.
       wasAlreadyOpen ? this.classList.remove('active') :
                        this.classList.add('active');
     }
   });
-
-  pillar.addEventListener('mouseleave', function(e) {
-    if (!e.target.classList.contains('pillar') ||
-        e.toElement.classList.contains('expandee')) {
-      return;
-    }
-
-    if (e.toElement != fatNav && !e.toElement.classList.contains('pillar') &&
-        e.toElement != search) {
-      hideActive(fatNav);
-    }
-  });
-
 });
 
 if (isLargerThanPhone) {
   search.addEventListener('click', function(e) {
     e.stopPropagation();
 
     // Only toggle if magnifying glass is clicked.
     if (e.target.localName == 'img') {
       var wasAlreadyOpen = this.classList.contains('active');
       hideActive(fatNav); // de-activate other fatnav items.
@@ skipping 22 matching lines @@
 if (!isTouch) {
   // Hitting ESC hides fatnav menus.
   document.body.addEventListener('keydown', function(e) {
     if (e.keyCode == 27) { // ESC
       hideActive(fatNav);
     }
   });
 }
 
 })();