Remove old webui History page on desktop and mobile

chrome/browser/resources/uber/uber_frame.js

 // Copyright (c) 2012 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.
 
 // This file contains the navigation controls that are visible on the left side
 // of the uber page. It exists separately from uber.js so that it may be loaded
 // in an iframe. Iframes can be layered on top of each other, but not mixed in
 // with page content, so all overlapping content on uber must be framed.
 
 // <include src="../../../../ui/webui/resources/js/util.js">
@@ skipping 24 matching lines @@
    * Handles clicks on the navigation controls (switches the page and updates
    * the URL).
    * @param {Event} e The click event.
    */
   function onNavItemClicked(e) {
     // Though pointer-event: none; is applied to the .selected nav item, users
     // can still tab to them and press enter/space which simulates a click.
     if (e.target.classList.contains('selected'))
       return;
 
-    // Extensions can override Uber content (e.g., if the user has a history
-    // extension, it should display when the 'History' navigation is clicked).
-    if (e.currentTarget.getAttribute('override') == 'yes') {
-      window.open('chrome://' + e.currentTarget.getAttribute('controls'),
-          '_blank');
-      return;
-    }
-
     uber.invokeMethodOnParent('showPage',
        {pageId: e.currentTarget.getAttribute('controls')});
 
     setSelection(/** @type {Element} */(e.currentTarget));
   }
 
   /**
    * Handles postMessage from chrome://chrome.
    * @param {Event} e The post data.
    */
@@ skipping 39 matching lines @@
   }
 
   /**
    * Shows nav items belonging to the same group as the selected item.
    */
   function showNavItems() {
     var hideSettingsAndHelp = loadTimeData.getBoolean('hideSettingsAndHelp');
     $('settings').hidden = hideSettingsAndHelp;
     $('help').hidden = hideSettingsAndHelp;
     $('extensions').hidden = loadTimeData.getBoolean('hideExtensions');
-    $('history').hidden = loadTimeData.getBoolean('hideHistory');
   }
 
   /**
    * Adjusts this frame's content to scrolls from the outer frame. This is done
    * to obscure text in RTL as a user scrolls over the content of this frame (as
    * currently RTL scrollbars still draw on the right).
    * @param {number} scrollLeft document.body.scrollLeft of the content frame.
    */
   function adjustToScroll(scrollLeft) {
     assert(isRTL());
@@ skipping 28 matching lines @@
   }
 
   /**
    * @return {Element} The currently selected iframe container.
    * @private
    */
   function getSelectedIframe() {
     return document.querySelector('.iframe-container.selected');
   }
 
-  /**
-   * Finds the <li> element whose 'controls' attribute is |controls| and sets
-   * its 'override' attribute to |override|.
-   * @param {string} controls The value of the 'controls' attribute of the
-   *     element to change.
-   * @param {string} override The value to set for the 'override' attribute of
-   *     that element (either 'yes' or 'no').
-   */
-  function setNavigationOverride(controls, override) {
-    var navItem =
-        document.querySelector('li[controls="' + controls + '"]');
-    navItem.setAttribute('override', override);
-  }
-
-  return {
-    onLoad: onLoad,
-    setNavigationOverride: setNavigationOverride,
-  };
-
+  return {onLoad: onLoad};
 });
 
 document.addEventListener('DOMContentLoaded', uber_frame.onLoad);